The 20 Best Obesity Hypoventilation Syndrome (OHS) Doctors Near Me in Santa Ana, CA

Find the Top Obesity Hypoventilation Syndrome (OHS) Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 50 doctor with experience in Obesity Hypoventilation Syndrome (OHS) near Santa Ana, CA. Of these, 46 are Experienced and 4 are Advanced.

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50 providers found
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Pulmonary Medicine | Sleep Medicine
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Pulmonary Medicine | Sleep Medicine

    Imran Sharief, MD Private Practice

    1901 E 4th St, 
    Santa Ana, CA 
     (1.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    I seek to provide the most complete care to my patients in a caring and respectful way. Dr. Sharief is rated as an Experienced provider by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Atypical Pneumonia, Hospital-Acquired Pneumonia, Pneumonia, Obstructive Sleep Apnea, and Colonoscopy. Dr. Sharief is board certified in Internal Medicine (Sub: Sleep Medicine). Dr. Sharief is currently accepting new patients.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Pulmonary Medicine
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Pulmonary Medicine
    1010 West La Veta Avenue, Suite 750, 
    Orange, CA 
     (3.0 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 Obesity Hypoventilation Syndrome (OHS). 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.

    Advanced in Obesity Hypoventilation Syndrome (OHS)
    Family Medicine
    Advanced in Obesity Hypoventilation Syndrome (OHS)
    Family Medicine

    Optum - Chapman

    845 E Chapman Ave, 
    Orange, CA 
     (3.2 miles away)
    Experience:
    27+ years
    Languages Spoken:
    English

    Ana Fajardo is a primary care provider, practicing in Family Medicine in Orange, California. She has been practicing medicine for over 27 years. Dr. Fajardo is rated as an Advanced provider by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). She is also highly rated in 27 other conditions, according to our data. Her clinical expertise encompasses Autoerythrocyte Sensitivity, Purpura, Gardner-Diamond Syndrome, and Cirrhosis. Dr. Fajardo is board certified in American Board Of Family Medicine.

    Learn about our expert tiers
    Advanced in Obesity Hypoventilation Syndrome (OHS)
    Family Medicine
    Advanced in Obesity Hypoventilation Syndrome (OHS)
    Family Medicine
    845 East Chapman Avenue, 
    Orange, CA 
     (3.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Hal Shimazu is a primary care provider, practicing in Family Medicine in Orange, California. Dr. Shimazu is rated as an Advanced provider by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Cirrhosis, Purpura, and Autoerythrocyte Sensitivity. Dr. Shimazu is currently accepting new patients.

    Advanced in Obesity Hypoventilation Syndrome (OHS)
    Intensive Care Medicine
    Advanced in Obesity Hypoventilation Syndrome (OHS)
    Intensive Care Medicine

    Jose B. Contreras, MD

    18837 Brookhurst St Ste 110, 
    Fountain Valley, CA 
     (5.4 miles away)
    Languages Spoken:
    English

    Jose Contreras is an Intensive Care Medicine provider practicing medicine in Fountain Valley, California. Dr. Contreras is rated as an Advanced provider by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Lung Metastases, Pneumonia, Obstructive Sleep Apnea, and Tracheobronchomalacia.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Internal Medicine
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Internal Medicine

    Hamendra T. Rana, MD

    1913 E 17th St, 
    Santa Ana, CA 
     (1.9 miles away)
    Experience:
    56+ years
    Languages Spoken:
    English

    Hamendra Rana is a primary care provider, practicing in Internal Medicine in Santa Ana, California. He has been practicing medicine for over 56 years. Dr. Rana is rated as an Experienced provider by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). His clinical expertise encompasses PEHO Syndrome, X-Linked Intellectual Disability, Siderius Type, Mohr-Tranebjaerg Syndrome, and Aicardi-Goutieres Syndrome. Dr. Rana is board certified in American Board Of Internal Medicine.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Family Medicine
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Family Medicine
    801 North Tustin Avenue, Suite 601, 
    Santa Ana, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Daniel Jimenez is a primary care provider, practicing in Family Medicine in Santa Ana, California. Dr. Jimenez is rated as an Experienced provider by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Osteomyelitis in Children, High Cholesterol, and Obesity.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Internal Medicine
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Internal Medicine

    Southern California Hospitalist Network Medical Group Inc

    625 The City Dr S, Suite 320, 
    Orange, CA 
     (2.5 miles away)
    Languages Spoken:
    English

    Sophia Kangarlu is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Kangarlu is rated as an Experienced provider by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). She is also highly rated in 70 other conditions, according to our data. Her clinical expertise encompasses Sepsis, Apoplexy, Ogilvie Syndrome, Gastrostomy, and Endoscopy.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Family Medicine
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Family Medicine

    Palliative Care Specialists Inc

    3401 W Sunflower Ave Ste 250, 
    Santa Ana, CA 
     (2.7 miles away)
    Languages Spoken:
    English

    Michael Pietila is a primary care provider, practicing in Family Medicine in Santa Ana, California. Dr. Pietila is rated as an Experienced provider by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Seasonal Affective Disorder (SAD), Landau-Kleffner Syndrome, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Internal Medicine | Pulmonary Medicine
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Internal Medicine | Pulmonary Medicine

    Pathway Medical Group

    12665 Garden Grove Blvd, 
    Garden Grove, CA 
     (3.3 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English

    Asaad Hakim is an Internal Medicine specialist and a Pulmonary Medicine provider practicing medicine in Garden Grove, California. He has been practicing medicine for over 44 years. Dr. Hakim is rated as an Experienced provider by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Pneumonia, Hospital-Acquired Pneumonia, Atypical Pneumonia, Gastrostomy, and Endoscopy. Dr. Hakim is board certified in American Board Of Internal Medicine.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Family Medicine
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Family Medicine

    Gerinet Medical Associates, Inc.

    3401 W Sunflower Ave, 
    Santa Ana, CA 
     (4.3 miles away)
    Experience:
    22+ years
    Languages Spoken:
    English

    Orlando Collado is a primary care provider, practicing in Family Medicine in Santa Ana, California. He has been practicing medicine for over 22 years. Dr. Collado is rated as an Experienced provider by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Type 2 Diabetes (T2D). Dr. Collado is board certified in American Board Of Family Medicine.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Internal Medicine
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Internal Medicine

    Bolsa Medical Group

    10362 Bolsa Ave, 
    Westminster, CA 
     (4.6 miles away)
    Experience:
    34+ years
    Languages Spoken:
    English
    Offers Telehealth

    Tu Nguyen is a primary care provider, practicing in Internal Medicine in Westminster, California. He has been practicing medicine for over 34 years. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Osteomyelitis in Children, Vitamin D Deficiency, High Cholesterol, and Cellulitis. Dr. Nguyen is board certified in American Board Of Internal Medicine.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Family Medicine
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Family Medicine

    Bolsa Medical Group

    10362 Bolsa Ave, 
    Westminster, CA 
     (4.6 miles away)
    Experience:
    28+ years
    Languages Spoken:
    English

    Tuan Van Phan is a primary care provider, practicing in Family Medicine in Westminster, California. He has been practicing medicine for over 28 years. Dr. Van Phan is rated as an Experienced provider by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Malignant Otitis Externa, Acute Cystitis, Cellulitis, and Osteomyelitis in Children. Dr. Van Phan is board certified in American Board Of Family Medicine.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Family Medicine
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Family Medicine

    St. Joseph Heritage Santa Ana-Family Practice

    2212 E 4th St Ste 202, 
    Santa Ana, CA 
     (4.7 miles away)
    Languages Spoken:
    English

    Philip Madrid is a primary care provider, practicing in Family Medicine in Santa Ana, California. Dr. Madrid is rated as an Experienced provider by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). His clinical expertise encompasses Type 2 Diabetes (T2D), Sitosterolemia, Tinea Versicolor, and Jock Itch.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Pulmonary Medicine
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Pulmonary Medicine

    Anooshiravan Hami, M.D., A Medical Corporation

    3400 West Ball Rd, 
    Garden Grove, CA 
     (4.7 miles away)
    Experience:
    38+ years
    Languages Spoken:
    English

    Anooshiravan Hami is a Pulmonary Medicine provider practicing medicine in Garden Grove, California. He has been practicing medicine for over 38 years. Dr. Hami is rated as an Experienced provider by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Pneumonia, Atypical Pneumonia, Hospital-Acquired Pneumonia, Gastrostomy, and Endoscopy. Dr. Hami is board certified in American Board Of Pulmonary Disease.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Pulmonary Medicine | Intensive Care Medicine
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Pulmonary Medicine | Intensive Care Medicine

    Kaiser Permanente Anaheim Kraemer Medical Offices

    3460 E La Palma Ave, 
    Anaheim, CA 
     (7.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Susie Yim Yeh is an Intensive Care Medicine specialist and a Pulmonary Medicine provider practicing medicine in Anaheim, California. Dr. Yim Yeh is rated as an Experienced provider by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). Her clinical expertise encompasses Obesity Hypoventilation Syndrome (OHS), Obstructive Sleep Apnea, Pneumocystis Jiroveci Pneumonia, and Narcolepsy. Dr. Yim Yeh is currently accepting new patients.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Pulmonary Medicine
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Pulmonary Medicine

    Yonatan Mahller MD PhD Inc.

    320 Superior Ave Ste 290, 
    Newport Beach, CA 
     (9.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mubina Gaffar is a Pulmonary Medicine provider practicing medicine in Newport Beach, California. Dr. Gaffar is rated as an Experienced provider by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). She is also highly rated in 25 other conditions, according to our data. Her clinical expertise encompasses Mycobacterium Avium Complex Infections, Pneumonia, Pleurisy, and Pleural Effusion.

    Advanced in Obesity Hypoventilation Syndrome (OHS)
    Internal Medicine | Pulmonary Medicine
    Advanced in Obesity Hypoventilation Syndrome (OHS)
    Internal Medicine | Pulmonary Medicine

    Saddleback Respiratory Medical Group

    9900 Talbert Ave, 
    Fountain Valley, CA 
     (5.9 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 Advanced provider by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). 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 Obesity Hypoventilation Syndrome (OHS)
    Family Medicine
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Family Medicine

    Family Care Centers

    660 Baker St Ste A101, 
    Costa Mesa, CA 
     (5.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Gina Nguyen is a primary care provider, practicing in Family Medicine in Costa Mesa, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). Her clinical expertise encompasses High Cholesterol, Obesity, Osteomyelitis in Children, and Obesity in Children.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Internal Medicine
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Internal Medicine

    Timothy C Chen, MD

    4050 Barranca Pkwy Ste 200, 
    Irvine, CA 
     (5.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Chienwei Chen is a primary care provider, practicing in Internal Medicine in Irvine, California. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Osteomyelitis in Children, Familial Combined Hyperlipidemia, Xanthoma, and Cirrhosis.

    Showing 1-20 of 50

    Last Updated: 04/28/2026

    What is the definition of Obesity Hypoventilation Syndrome (OHS)?

    Obesity hypoventilation syndrome (OHS) causes poor breathing in some people with obesity. It leads to lower oxygen and higher carbon dioxide levels in the blood.

    When should I see an Obesity Hypoventilation Syndrome (OHS) doctor near Santa Ana, 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 Obesity Hypoventilation Syndrome (OHS) doctor near Santa Ana, 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 Obesity Hypoventilation Syndrome (OHS) doctors near Santa Ana, 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 Obesity Hypoventilation Syndrome (OHS) doctors near Santa Ana, 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 Obesity Hypoventilation Syndrome (OHS) doctor near Santa Ana, 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 Obesity Hypoventilation Syndrome (OHS) doctor search results page. 

    Why is it important to get a second opinion from a different Obesity Hypoventilation Syndrome (OHS) 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 Obesity Hypoventilation Syndrome (OHS) doctor near Santa Ana, 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 Obesity Hypoventilation Syndrome (OHS) 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 Obesity Hypoventilation Syndrome (OHS) 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 Obesity Hypoventilation Syndrome (OHS) doctors near Santa Ana, CA?

    Look for the filter feature on the left side of the Obesity Hypoventilation Syndrome (OHS) 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 Obesity Hypoventilation Syndrome (OHS) doctor that offers video calls?

    Look for the filter feature on the left-side of the Obesity Hypoventilation Syndrome (OHS) 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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