The 20 Best Alpha-1 Antitrypsin Deficiency (AATD) Doctors Near Me in Orange, CA

Find the Top Alpha-1 Antitrypsin Deficiency (AATD) Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 18 doctor with experience in Alpha-1 Antitrypsin Deficiency (AATD) near Orange, CA. Of these, 18 are Experienced.

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18 providers found
    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Pediatric Gastroenterology
    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Pediatric Gastroenterology
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Accepting New Patients

    Kimberly Silva is a Pediatric Gastroenterologist practicing medicine in Orange, California. She has been practicing medicine for over 17 years. Dr. Silva is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Lactose Intolerance, Eosinophilic Esophagitis, Cardiofaciocutaneous Syndrome, and Morning Sickness. Dr. Silva is currently accepting new patients.

    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Pediatric Gastroenterology
    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Pediatric Gastroenterology
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Joanna Yeh is a Pediatric Gastroenterologist practicing medicine in Orange, California. Dr. Yeh is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Malnutrition, Celiac Disease, Encopresis, and Eosinophilic Esophagitis. Dr. Yeh is currently accepting new patients.

    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Pulmonary Medicine
    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Pulmonary Medicine
    1010 West La Veta Avenue, Suite 750, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Jack Stewart is a Pulmonary Medicine provider practicing medicine in Orange, California. Dr. Stewart is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Lung Metastases, Bronchiectasis, Small Cell Lung Cancer (SCLC), and Squamous Cell Lung Carcinoma. Dr. Stewart is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Internal Medicine | Pulmonary Medicine
    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Internal Medicine | Pulmonary Medicine
    845 West La Veta Avenue, Suite 108, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Robert Parke is an Internal Medicine specialist and a Pulmonary Medicine provider practicing medicine in Orange, California. Dr. Parke is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Bronchiectasis, Lung Metastases, Pulmonary Fibrosis, and Emphysema. Dr. Parke is currently accepting new patients.

    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)

    Genetics Center

    211 S Main St, 
    Orange, CA 
     (0.7 miles away)
    Experience:
    53+ years
    Languages Spoken:
    English

    Touran Zadeh is a Pediatrics provider practicing medicine in Orange, California. She has been practicing medicine for over 53 years. Dr. Zadeh is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). She is also highly rated in 31 other conditions, according to our data. Her clinical expertise encompasses Branchio-Oculo-Facial Syndrome (BOFS), Ring Chromosome 7, Ring Chromosome 18, and Ring Chromosome 14. Dr. Zadeh is board certified in American Board Medical Genetics.

    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Internal Medicine
    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Internal Medicine

    UC Irvine Medical Center - Primary Care & Internal Medicine

    101 The City Dr S Bldg 29, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Maryam Rahimi is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Rahimi is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses AIDS Dementia Complex, AIDS Dysmorphic Syndrome, HIV/AIDS, and Shingles.

    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Internal Medicine
    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Internal Medicine

    Comprehensive Pulmonary And Primary Care Of Orange County

    1010 W La Veta Ave Ste 750, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English

    James Law is an Internal Medicine provider practicing medicine in Orange, California. Dr. Law is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Bronchiectasis, Lung Metastases, Lung Nodules, and Asthma in Children.

    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Gastroenterology
    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Gastroenterology

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English

    Timothy Morgan is a Gastroenterologist practicing medicine in Orange, California. Dr. Morgan is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). His clinical expertise encompasses Visceromegaly, Alpha-1 Antitrypsin Deficiency (AATD), Non-Alcoholic Fatty Liver Disease, and Nonalcoholic Steatohepatitis (NASH).

    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Gastroenterology
    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Gastroenterology

    Office

    9500 Gilman Dr Dept 956, 
    La Jolla, CA 
     (5.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Shravan Dave is a Gastroenterologist practicing medicine in La Jolla, California. Dr. Dave is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Cirrhosis, Visceromegaly, Liver Failure, Liver Transplant, and Endoscopy.

    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Pulmonary Medicine
    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Pulmonary Medicine
    2141 North Harbor Boulevard, Suite 25000, 
    Fullerton, CA 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Mark Weissig is a Pulmonary Medicine provider practicing medicine in Fullerton, California. Dr. Weissig is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Interstitial Lung Disease, Asthma in Children, Asthma, and Acute Interstitial Pneumonia. Dr. Weissig is currently accepting new patients.

    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Pulmonary Medicine
    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Pulmonary Medicine
    2141 North Harbor Boulevard, Suite 25000, 
    Fullerton, CA 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Edward Lawton is a Pulmonary Medicine provider practicing medicine in Fullerton, California. Dr. Lawton is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Lung Metastases, Asthma in Children, Asthma, and Bronchiectasis. Dr. Lawton is currently accepting new patients.

    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Pulmonary Medicine
    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Pulmonary Medicine

    Thomas J Asciuto MD Corporation

    18111 Brookhurst St, 
    Fountain Valley, CA 
     (8.3 miles away)
    Experience:
    37+ years
    Languages Spoken:
    English
    Offers Telehealth

    Thomas Asciuto is a Pulmonary Medicine provider practicing medicine in Fountain Valley, California. He has been practicing medicine for over 37 years. Dr. Asciuto is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Bronchiectasis, Lung Metastases, Pulmonary Fibrosis, and Chronic Obstructive Pulmonary Disease (COPD). Dr. Asciuto is board certified in American Board Of Internal Medicine.

    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Internal Medicine | Pulmonary Medicine
    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Internal Medicine | Pulmonary Medicine

    Saddleback Respiratory Medical Group

    9900 Talbert Ave, 
    Fountain Valley, CA 
     (8.3 miles away)
    Experience:
    31+ years
    Languages Spoken:
    English
    Offers Telehealth

    Samarjit Singh is an Internal Medicine specialist and a Pulmonary Medicine provider practicing medicine in Fountain Valley, California. He has been practicing medicine for over 31 years. Dr. Singh is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). He is also highly rated in 39 other conditions, according to our data. His clinical expertise encompasses Hypovolemic Shock, Pneumonia, Lung Metastases, Gastrostomy, and Advanced Bronchoscopy. Dr. Singh is board certified in American Board Of Internal Medicine.

    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Pulmonary Medicine
    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Pulmonary Medicine

    Pulmonarius Asclepius

    18255 Brookhurst St, 
    Fountain Valley, CA 
     (8.4 miles away)
    Experience:
    26+ years
    Languages Spoken:
    English

    Malaygiri Aparnath is a Pulmonary Medicine provider practicing medicine in Fountain Valley, California. He has been practicing medicine for over 26 years. Dr. Aparnath is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Pneumonia, Severe Acute Respiratory Syndrome (SARS), Cerebral Hypoxia, and Atypical Pneumonia. Dr. Aparnath is board certified in American Board Of Internal Medicine.

    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Family Medicine
    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Family Medicine

    Kaiser Permanente No 371

    1900 E Lambert Rd, 
    Brea, CA 
     (9.5 miles away)
    Languages Spoken:
    English

    Ting Chang is a primary care provider, practicing in Family Medicine in Brea, California. Dr. Chang is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). Her clinical expertise encompasses X-Linked Hypophosphatemia, Hypophosphatemia, Subcutaneous Emphysema, and Rickets.

    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Gastroenterology
    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Gastroenterology

    Azita Mesbah MD Inc.

    16305 Sand Canyon Ave Ste 220, 
    Irvine, CA 
     (11.0 miles away)
    Languages Spoken:
    English

    John Hoefs is a Gastroenterologist practicing medicine in Irvine, California. Dr. Hoefs is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Ascites, Visceromegaly, Hepatitis C, and Hepatitis.

    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Gastroenterology
    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Gastroenterology

    Preventive Healthcare Medical Centers

    500 Superior Ave Ste 100, 
    Newport Beach, CA 
     (11.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Tse-ling Fong is a Gastroenterologist practicing medicine in Newport Beach, California. Dr. Fong is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Hepatitis, Hepatitis B, Jaundice, Hepatitis C, and Liver Transplant.

    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Internal Medicine
    Experienced in Alpha-1 Antitrypsin Deficiency (AATD)
    Internal Medicine

    Huntington Beach Internal Medicine Group

    1501 Superior Ave, 
    Newport Beach, CA 
     (11.8 miles away)
    Experience:
    31+ years
    Languages Spoken:
    English

    Ryan Klein is an Internal Medicine provider practicing medicine in Newport Beach, California. He has been practicing medicine for over 31 years. Dr. Klein is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Asthma, Asthma in Children, Grass Allergy, and Chronic Obstructive Pulmonary Disease (COPD). Dr. Klein is board certified in American Board Of Internal Medicine.

    Showing 1-18 of 18

    Last Updated: 04/28/2026

    What is the definition of Alpha-1 Antitrypsin Deficiency (AATD)?

    Alpha-1 antitrypsin (AAT) deficiency is a condition in which the body does not make enough of AAT, a protein that protects the lungs and liver from damage. The condition can lead to chronic obstructive pulmonary disease (COPD) and liver disease (cirrhosis).

    When should I see an Alpha-1 Antitrypsin Deficiency (AATD) doctor near Orange, 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 an Alpha-1 Antitrypsin Deficiency (AATD) doctor near Orange, 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 Alpha-1 Antitrypsin Deficiency (AATD) doctors near Orange, 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 Alpha-1 Antitrypsin Deficiency (AATD) doctors near Orange, 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 an Alpha-1 Antitrypsin Deficiency (AATD) doctor near Orange, 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 Alpha-1 Antitrypsin Deficiency (AATD) doctor search results page. 

    Why is it important to get a second opinion from a different Alpha-1 Antitrypsin Deficiency (AATD) 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 an Alpha-1 Antitrypsin Deficiency (AATD) doctor near Orange, 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 Alpha-1 Antitrypsin Deficiency (AATD) 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 Alpha-1 Antitrypsin Deficiency (AATD) 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 Alpha-1 Antitrypsin Deficiency (AATD) doctors near Orange, CA?

    Look for the filter feature on the left side of the Alpha-1 Antitrypsin Deficiency (AATD) 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 an Alpha-1 Antitrypsin Deficiency (AATD) doctor that offers video calls?

    Look for the filter feature on the left-side of the Alpha-1 Antitrypsin Deficiency (AATD) 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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