The 20 Best Cystic Fibrosis Doctors Near Me in downey, CA

Find the Top Cystic Fibrosis Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 29 doctor with experience in Cystic Fibrosis near downey, CA. Of these, 19 are Experienced and 10 are Advanced.

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29 providers found
    Experienced in Cystic Fibrosis
    Pediatric Pulmonology
    Experienced in Cystic Fibrosis
    Pediatric Pulmonology
    Referral may be required

    Kaiser Foundation Health Plan

    9449 Imperial Hwy, 
    Downey, CA 
     (1.6 miles away)
    Languages Spoken:
    English

    Marilynn Chan is a Pediatric Pulmonologist practicing medicine in Downey, California. Dr. Chan is rated as an Experienced provider by MediFind in the treatment of Cystic Fibrosis. Her clinical expertise encompasses Triple X Syndrome, Cystic Fibrosis, Asthma, and Congenital Unilateral Pulmonary Hypoplasia.

    Advanced in Cystic Fibrosis
    Pulmonary Medicine
    Advanced in Cystic Fibrosis
    Pulmonary Medicine
    Referral may be required

    University Of Southern California

    1516 San Pablo St, 
    Los Angeles, CA 
     (8.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Richard Lubman is a Pulmonary Medicine provider practicing medicine in Los Angeles, California. Dr. Lubman is rated as an Advanced provider by MediFind in the treatment of Cystic Fibrosis. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Lung Metastases, Cystic Fibrosis, Lung Nodules, and Empyema.

    Advanced in Cystic Fibrosis
    Pulmonary Medicine
    Advanced in Cystic Fibrosis
    Pulmonary Medicine
    Referral may be required

    University Of Southern California

    1516 San Pablo St, 
    Los Angeles, CA 
     (8.9 miles away)
    Languages Spoken:
    English

    Ahmet Baydur is a Pulmonary Medicine provider practicing medicine in Los Angeles, California. Dr. Baydur is rated as an Advanced provider by MediFind in the treatment of Cystic Fibrosis. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Lung Metastases, Cystic Fibrosis, Pulmonary Hypertension, and Acute Interstitial Pneumonia.

    Learn about our expert tiers
    Advanced in Cystic Fibrosis
    Internal Medicine
    Advanced in Cystic Fibrosis
    Internal Medicine

    Los Angeles General Medical Center Foundation Inc.

    1200 N State St, 
    Los Angeles, CA 
     (9.4 miles away)
    Languages Spoken:
    English

    Evan Chen is a primary care provider, practicing in Internal Medicine in Los Angeles, California. Dr. Chen is rated as an Advanced provider by MediFind in the treatment of Cystic Fibrosis. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Cystic Fibrosis, COVID-19, Subacute Combined Degeneration, and Hyphema.

    Advanced in Cystic Fibrosis
    Pulmonary Medicine
    Advanced in Cystic Fibrosis
    Pulmonary Medicine
    Referral may be required

    Memorial Care Medical Foundation

    2865 Atlantic Ave, 
    Long Beach, CA 
     (9.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jimmy Johannes is a Pulmonary Medicine provider practicing medicine in Long Beach, California. Dr. Johannes is rated as an Advanced provider by MediFind in the treatment of Cystic Fibrosis. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Obstructive Sleep Apnea, Cystic Fibrosis, Lung Metastases, Advanced Bronchoscopy, and Lung Transplant. Dr. Johannes is board certified in American Board Of Internal Medicine. Dr. Johannes is currently accepting new patients.

    Advanced in Cystic Fibrosis
    Pulmonary Medicine
    Advanced in Cystic Fibrosis
    Pulmonary Medicine
    Referral may be required

    Memorial Care Medical Foundation

    2865 Atlantic Ave, 
    Long Beach, CA 
     (9.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Thomas Jiang is a Pulmonary Medicine provider practicing medicine in Long Beach, California. Dr. Jiang is rated as an Advanced provider by MediFind in the treatment of Cystic Fibrosis. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Obstructive Sleep Apnea, Cystic Fibrosis, Bronchiectasis, Lung Metastases, and Balloon Sinuplasty. Dr. Jiang is board certified in American Board Of Internal Medicine. Dr. Jiang is currently accepting new patients.

    Advanced in Cystic Fibrosis
    Pulmonary Medicine
    Advanced in Cystic Fibrosis
    Pulmonary Medicine
    Referral may be required

    Lung And Allergy Health Associates Pmc

    701 E 28th St, 
    Long Beach, CA 
     (9.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Eliezer Nussbaum is a Pulmonary Medicine provider practicing medicine in Long Beach, California. Dr. Nussbaum is rated as an Advanced provider by MediFind in the treatment of Cystic Fibrosis. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Cystic Fibrosis, Asthma, Bronchiectasis, and Tissue Biopsy. Dr. Nussbaum is board certified in American Board Of Pediatrics. Dr. Nussbaum is currently accepting new patients.

    Advanced in Cystic Fibrosis
    Allergy and Immunology | Pulmonary Medicine
    Advanced in Cystic Fibrosis
    Allergy and Immunology | Pulmonary Medicine
    Referral may be required

    Lung And Allergy Health Associates Pmc

    701 E 28th St, 
    Long Beach, CA 
     (9.6 miles away)
    Languages Spoken:
    English

    Inderpal Randhawa is an Allergy and Immunologist and a Pulmonary Medicine provider practicing medicine in Long Beach, California. Dr. Randhawa is rated as an Advanced provider by MediFind in the treatment of Cystic Fibrosis. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Food Allergy, Allergic Rhinitis, Anaphylaxis, and Empyema. Dr. Randhawa is board certified in American Board Of Pediatrics.

    Experienced in Cystic Fibrosis
    Pulmonary Medicine
    Experienced in Cystic Fibrosis
    Pulmonary Medicine
    Referral may be required

    Sarathi Bhattacharyya, MD

    3828 Schaufele Ave Ste 200, 
    Long Beach, CA 
     (8.1 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sarathi Bhattacharyya is a Pulmonary Medicine provider practicing medicine in Long Beach, California. He has been practicing medicine for over 10 years. Dr. Bhattacharyya is rated as an Experienced provider by MediFind in the treatment of Cystic Fibrosis. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Obstructive Sleep Apnea, Periodic Limb Movement Disorder, Eosinophilic Asthma, and Excessive Daytime Sleepiness. Dr. Bhattacharyya is currently accepting new patients.

    Experienced in Cystic Fibrosis
    Internal Medicine
    Experienced in Cystic Fibrosis
    Internal Medicine

    Optum-San Antonio

    4401 Atlantic Ave Ste 300, 
    Long Beach, CA 
     (8.1 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English
    Offers Telehealth

    Jan Nguyen is a primary care provider, practicing in Internal Medicine in Long Beach, California. She has been practicing medicine for over 10 years. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Cystic Fibrosis. Her clinical expertise encompasses Vitamin D Deficiency, Osteomyelitis in Children, Obesity, and High Cholesterol.

    Experienced in Cystic Fibrosis
    Pulmonary Medicine
    Experienced in Cystic Fibrosis
    Pulmonary Medicine
    Referral may be required

    USC University Hospital

    1520 San Pablo St Ste 1000, 
    Los Angeles, CA 
     (8.9 miles away)
    Languages Spoken:
    English

    Richard Barbers is a Pulmonary Medicine provider practicing medicine in Los Angeles, California. Dr. Barbers is rated as an Experienced provider by MediFind in the treatment of Cystic Fibrosis. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Asthma, Aspergillosis, Allergic Bronchopulmonary Aspergillosis, Pulmonary Aspergilloma, and Lung Transplant.

    Experienced in Cystic Fibrosis
    Pulmonary Medicine
    Experienced in Cystic Fibrosis
    Pulmonary Medicine
    Referral may be required

    USC University Hospital

    1520 San Pablo St Ste 1000, 
    Los Angeles, CA 
     (8.9 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English
    Offers Telehealth

    Renli Qiao is a Pulmonary Medicine provider practicing medicine in Los Angeles, California. He has been practicing medicine for over 44 years. Dr. Qiao is rated as an Experienced provider by MediFind in the treatment of Cystic Fibrosis. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Bronchiectasis, Lung Metastases, Pulmonary Hypertension, and Asthma in Children.

    Experienced in Cystic Fibrosis
    Pulmonary Medicine
    Experienced in Cystic Fibrosis
    Pulmonary Medicine
    Referral may be required

    USC University Hospital

    1520 San Pablo St Ste 1000, 
    Los Angeles, CA 
     (8.9 miles away)
    Languages Spoken:
    English

    Ami Oren is a Pulmonary Medicine provider practicing medicine in Los Angeles, California. Dr. Oren is rated as an Experienced provider by MediFind in the treatment of Cystic Fibrosis. His clinical expertise encompasses Acute Interstitial Pneumonia, Lung Metastases, Interstitial Lung Disease, and Simple Pulmonary Eosinophilia.

    Experienced in Cystic Fibrosis
    Pulmonary Medicine
    Experienced in Cystic Fibrosis
    Pulmonary Medicine
    Referral may be required

    Keck Hospital Of USC

    1500 San Pablo St, 
    Los Angeles, CA 
     (9.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Toby Maher is a Pulmonary Medicine provider practicing medicine in Los Angeles, California. Dr. Maher is rated as an Experienced provider by MediFind in the treatment of Cystic Fibrosis. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Acute Interstitial Pneumonia, Interstitial Lung Disease, Pulmonary Fibrosis, Lung Transplant, and Tissue Biopsy.

    Experienced in Cystic Fibrosis
    Pulmonary Medicine
    Experienced in Cystic Fibrosis
    Pulmonary Medicine
    Referral may be required

    Lung And Allergy Health Associates Pmc

    2701 Atlantic Ave, 
    Long Beach, CA 
     (9.7 miles away)
    Languages Spoken:
    English

    Lida Mohtasham is a Pulmonary Medicine provider practicing medicine in Long Beach, California. Dr. Mohtasham is rated as an Experienced provider by MediFind in the treatment of Cystic Fibrosis. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Acute Respiratory Distress Syndrome (ARDS), Cerebral Hypoxia, Asthma, and Empyema. Dr. Mohtasham is board certified in American Board Of Pediatrics.

    Advanced in Cystic Fibrosis
    Pulmonary Medicine
    Advanced in Cystic Fibrosis
    Pulmonary Medicine
    Referral may be required

    Memorial Care Medical Foundation

    2110 N Bellflower Blvd, 
    Long Beach, CA 
     (10.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Christopher Yee is a Pulmonary Medicine provider practicing medicine in Long Beach, California. Dr. Yee is rated as an Advanced provider by MediFind in the treatment of Cystic Fibrosis. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Eosinophilic Asthma, Cystic Fibrosis, Lung Metastases, and Pneumonia. Dr. Yee is board certified in American Board Of Internal Medicine. Dr. Yee is currently accepting new patients.

    Advanced in Cystic Fibrosis
    Pulmonary Medicine | Intensive Care Medicine
    Advanced in Cystic Fibrosis
    Pulmonary Medicine | Intensive Care Medicine
    Referral may be required

    Coastline Medical Office

    25821 S Vermont Ave, 
    Harbor City, CA 
     (13.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Robert Liou is a Pulmonary Medicine specialist and an Intensive Care Medicine provider practicing medicine in Harbor City, California. Dr. Liou is rated as an Advanced provider by MediFind in the treatment of Cystic Fibrosis. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Large-Cell Lung Carcinoma, Small Cell Lung Cancer (SCLC), Lung Adenocarcinoma, and Squamous Cell Lung Carcinoma. Dr. Liou is currently accepting new patients.

    Advanced in Cystic Fibrosis
    Pediatric Pulmonology | Gastroenterology
    Advanced in Cystic Fibrosis
    Pediatric Pulmonology | Gastroenterology
    Referral may be required

    Children's Hospital Los Angeles

    4650 W Sunset Blvd, 
    Los Angeles, CA 
     (14.1 miles away)
    Languages Spoken:
    English

    Thomas Keens is a Pediatric Pulmonologist and a Gastroenterologist practicing medicine in Los Angeles, California. Dr. Keens is rated as an Advanced provider by MediFind in the treatment of Cystic Fibrosis. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Congenital Central Hypoventilation Syndrome, Cystic Fibrosis, Asthma, and Hirschsprung Disease.

    Experienced in Cystic Fibrosis
    Internal Medicine
    Experienced in Cystic Fibrosis
    Internal Medicine

    Engemann Student Health Center

    1031 W 34th St, 
    Los Angeles,, CA 
     (10.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Shijun Xi is a primary care provider, practicing in Internal Medicine in Los Angeles,, California. Dr. Xi is rated as an Experienced provider by MediFind in the treatment of Cystic Fibrosis. She is also highly rated in 12 other conditions, according to our data. Her clinical expertise encompasses Mast Cell Activation Syndrome (MCAS), Sinusitis, Empyema, and Allergic Bronchopulmonary Aspergillosis.

    Experienced in Cystic Fibrosis
    Internal Medicine
    Experienced in Cystic Fibrosis
    Internal Medicine

    Kaiser Permanente Baldwin Park Medical Center

    1011 Baldwin Park Blvd, 
    Baldwin Park, CA 
     (12.1 miles away)
    Languages Spoken:
    English

    Shadi Dowlatshahi is a primary care provider, practicing in Internal Medicine in Baldwin Park, California. Dr. Dowlatshahi is rated as an Experienced provider by MediFind in the treatment of Cystic Fibrosis. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Ascites, Spontaneous Bacterial Peritonitis, Alcoholic Cirrhosis, and Sepsis.

    Showing 1-20 of 29

    Last Updated: 09/26/2026

    What is the definition of Cystic Fibrosis?

    Cystic fibrosis (CF) is an inherited, slowly progressive disease that affects the cells in glands that produce mucus, sweat, and digestive fluids, by changing the electrolyte system in ways that make cells absorb too much sodium and water, causing the cells to produce thick mucus that clogs and damages several organs, including the lungs, liver, pancreas, intestines, urinary tract, and reproductive organs. As these organs become damaged, individuals with cystic fibrosis usually will develop severe, chronic lung disease and digestive problems, among other complications, such as malnutrition. Cystic fibrosis is usually diagnosed during infancy due to newborn screening.

    Which doctors treat cystic fibrosis?     

    Cystic fibrosis (CF) is treated by a team of doctors that specialize in different areas of medicine. Pulmonologists focus on lung health because CF causes problems with breathing. Gastroenterologists help manage digestive issues since CF also affects how the body absorbs food. Dietitians ensure patients get enough nutrition, while respiratory therapists help with treatments like breathing exercises. Physical therapists may help with clearing mucus from the lungs. Many people with CF get care at specialized cystic fibrosis centers, where experts work together to provide the best care possible. 

    What are the symptoms of cystic fibrosis? 

    Symptoms of CF can vary from person to person and often get worse if left untreated.  

    Common signs of CF include: 

    • Frequent coughing, sometimes with thick mucus 
    • Shortness of breath or wheezing 
    • Frequent lung infections, like pneumonia or bronchitis 
    • Difficulty gaining weight 
    • Loose or oily stools or trouble with bowel movements 
    • Salty skin or extra salty sweat 
    • Stomach pain or bloating 

    How is cystic fibrosis diagnosed?  

    CF is usually diagnosed through several tests. Most babies are screened at birth through newborn screening. Babies with CF may have difficulty passing their first bowel movement, which can be an early sign. If CF is suspected, a sweat test is done. This test measures how much salt is in the sweat, which is higher in people with CF. Genetic testing may also be used to confirm the diagnosis by checking for mutations in the CFTR gene that causes CF. Sometimes, doctors will also do lung function tests or imaging tests like X-rays to understand how the disease is affecting the lungs. 

    What can cystic fibrosis be mistaken for?    

    CF can be mistaken for other conditions with similar symptoms. Breathing problems in CF, like coughing and wheezing, may resemble asthma or chronic bronchitis, both of which also cause lung issues. Frequent lung infections can further blur the lines between CF and chronic bronchitis. Digestive symptoms, such as greasy stools and difficulty gaining weight, can be confused with celiac disease, which affects nutrient absorption, or Crohn’s disease, which causes digestive inflammation. CF’s impact on the pancreas might also be misdiagnosed as pancreatitis. To confirm cystic fibrosis, doctors use specific tests like the sweat test or genetic testing to ensure the correct diagnosis. 

    What is the life expectancy for someone with cystic fibrosis?  

    Cystic fibrosis is a serious, life-shortening condition, but people with CF are living much longer than they used to. In the past, most people with CF didn’t live into adulthood, but now, with better treatments and care, many live into their 40s, 50s, or even longer. New medications help manage the disease, and regular care can improve quality of life. Even though there is no cure yet, researchers are working hard to develop new treatments that could help people with CF live longer.   

    When should I see a Cystic Fibrosis doctor near downey, CA?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing a Cystic Fibrosis doctor near downey, CA?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How does MediFind rank Cystic Fibrosis doctors near downey, CA?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Cystic Fibrosis doctors near downey, CA?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with a Cystic Fibrosis doctor near downey, CA?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Cystic Fibrosis doctor search results page. 

    Why is it important to get a second opinion from a different Cystic Fibrosis doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with a Cystic Fibrosis doctor near downey, CA?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Cystic Fibrosis doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Cystic Fibrosis doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Cystic Fibrosis doctors near downey, CA?

    Look for the filter feature on the left side of the Cystic Fibrosis doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find a Cystic Fibrosis doctor that offers video calls?

    Look for the filter feature on the left-side of the Cystic Fibrosis doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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