The 20 Best Long Haul COVID Doctors Near Me in Rancho Cucamonga, CA

Find the Top Long Haul COVID Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 81 doctor with experience in Long Haul COVID near Rancho Cucamonga, CA. Of these, 76 are Experienced and 5 are Advanced.

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81 providers found
    Advanced in Long Haul COVID
    Internal Medicine | Pulmonary Medicine
    Advanced in Long Haul COVID
    Internal Medicine | Pulmonary Medicine

    Chaparral Medical Group, Inc.

    8330 Red Oak St, 
    Rancho Cucamonga, CA 
     (1.4 miles away)
    Experience:
    22+ years
    Languages Spoken:
    English

    Khader Abounasr is an Internal Medicine specialist and a Pulmonary Medicine provider practicing medicine in Rancho Cucamonga, California. He has been practicing medicine for over 22 years. Dr. Abounasr is rated as an Advanced provider by MediFind in the treatment of Long Haul COVID. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Obstructive Sleep Apnea, Excessive Daytime Sleepiness, Drowsiness, Gastrostomy, and Advanced Bronchoscopy. Dr. Abounasr is board certified in American Board Of Internal Medicine.

    Advanced in Long Haul COVID
    Family Medicine
    Advanced in Long Haul COVID
    Family Medicine

    Ravinder Singh, Md, Inc.

    525 N 13th Ave, 
    Upland, CA 
     (2.4 miles away)
    Experience:
    27+ years
    Languages Spoken:
    English
    Offers Telehealth

    Ravinder Singh is a primary care provider, practicing in Family Medicine in Upland, California. He has been practicing medicine for over 27 years. Dr. Singh is rated as an Advanced provider by MediFind in the treatment of Long Haul COVID. He is also highly rated in 108 other conditions, according to our data. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, Liver Transplant, and Knee Replacement. Dr. Singh is board certified in American Board Of Family Medicine.

    Experienced in Long Haul COVID
    Family Medicine
    Experienced in Long Haul COVID
    Family Medicine

    Cucamonga Valley Medical Group

    7777 Milliken Ave Ste 240, 
    Rancho Cucamonga, CA 
     (0.9 miles away)
    Languages Spoken:
    English

    Eric Bekemeier is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Bekemeier is rated as an Experienced provider by MediFind in the treatment of Long Haul COVID. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Obesity, Cirrhosis, Familial Combined Hyperlipidemia, and Xanthoma.

    Learn about our expert tiers
    Experienced in Long Haul COVID
    Family Medicine
    Experienced in Long Haul COVID
    Family Medicine

    Norton Delgado Family Medicine

    8283 Grove Ave Ste 202, 
    Rancho Cucamonga, CA 
     (0.9 miles away)
    Languages Spoken:
    English

    Laura Norton is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Norton is rated as an Experienced provider by MediFind in the treatment of Long Haul COVID. Her clinical expertise encompasses Vitamin D Deficiency, High Cholesterol, Type 2 Diabetes (T2D), and Familial Hypertension.

    Experienced in Long Haul COVID
    Family Medicine
    Experienced in Long Haul COVID
    Family Medicine

    Fagan, John A. Family Practice, Inc.

    10787 Laurel St, 
    Rancho Cucamonga, CA 
     (1.3 miles away)
    Experience:
    40+ years
    Languages Spoken:
    English
    Offers Telehealth

    John Fagan is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. He has been practicing medicine for over 40 years. Dr. Fagan is rated as an Experienced provider by MediFind in the treatment of Long Haul COVID. He is also highly rated in 45 other conditions, according to our data. His clinical expertise encompasses Ehlers-Danlos Syndrome (EDS), Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension. Dr. Fagan is board certified in American Board Of Family Medicine.

    Experienced in Long Haul COVID
    Internal Medicine | Pulmonary Medicine
    Experienced in Long Haul COVID
    Internal Medicine | Pulmonary Medicine

    Chaparral Medical Group, Inc.

    8330 Red Oak St, 
    Rancho Cucamonga, CA 
     (1.4 miles away)
    Experience:
    21+ years
    Languages Spoken:
    English

    Derrick Raptis is an Internal Medicine specialist and a Pulmonary Medicine provider practicing medicine in Rancho Cucamonga, California. He has been practicing medicine for over 21 years. Dr. Raptis is rated as an Experienced provider by MediFind in the treatment of Long Haul COVID. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Pneumonia, Chronic Obstructive Pulmonary Disease (COPD), Lung Metastases, Gastrostomy, and Endoscopy. Dr. Raptis is board certified in American Board Of Internal Medicine.

    Experienced in Long Haul COVID
    Family Medicine
    Experienced in Long Haul COVID
    Family Medicine

    Brown, James R., M.D., Inc.

    8360 Red Oak St, 
    Rancho Cucamonga, CA 
     (1.4 miles away)
    Experience:
    36+ years
    Languages Spoken:
    English

    James Brown is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. He has been practicing medicine for over 36 years. Dr. Brown is rated as an Experienced provider by MediFind in the treatment of Long Haul COVID. His clinical expertise encompasses Thyroid Hormone Plasma Membrane Transport Defect, Generalized Resistance to Thyroid Hormone, Familial Hyperthyroidism due to Mutations in TSH Receptor, and Sinusitis. Dr. Brown is board certified in American Board Of Family Medicine.

    Experienced in Long Haul COVID
    Internal Medicine
    Experienced in Long Haul COVID
    Internal Medicine

    Rapid Care

    10841 White Oak Ave, 
    Rancho Cucamonga, CA 
     (1.6 miles away)
    Experience:
    46+ years
    Languages Spoken:
    English

    Zaher Azzawi is a primary care provider, practicing in Internal Medicine in Rancho Cucamonga, California. He has been practicing medicine for over 46 years. Dr. Azzawi is rated as an Experienced provider by MediFind in the treatment of Long Haul COVID. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Orbital Cellulitis, Tracheitis, Cellulitis, and Lymphangitis. Dr. Azzawi is board certified in American Board Of Internal Medicine.

    Experienced in Long Haul COVID
    Internal Medicine
    Experienced in Long Haul COVID
    Internal Medicine

    Mukesh Amin MD & Tejinder Singh MD Inc.

    914 W Foothill Blvd Ste B, 
    Upland, CA 
     (3.9 miles away)
    Languages Spoken:
    English

    Tejinder Singh is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Singh is rated as an Experienced provider by MediFind in the treatment of Long Haul COVID. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Osteomyelitis in Children, Hypertension, Thrombectomy, and Gastrostomy.

    Experienced in Long Haul COVID
    Pediatric Pulmonology
    Experienced in Long Haul COVID
    Pediatric Pulmonology

    Loma Linda University Pediatric Cardiology Clinic-Upland

    901 San Bernardino Rd Ste 302, 
    Upland, CA 
     (3.9 miles away)
    Languages Spoken:
    English

    Janet Lim is a Pediatric Pulmonologist practicing medicine in Upland, California. Dr. Lim is rated as an Experienced provider by MediFind in the treatment of Long Haul COVID. Her clinical expertise encompasses Cystic Fibrosis, Empyema, Asthma, and Long Haul COVID.

    Experienced in Long Haul COVID
    Internal Medicine | Pulmonary Medicine
    Experienced in Long Haul COVID
    Internal Medicine | Pulmonary Medicine

    California Pulmonary Associates Inc

    500 N Euclid Ave, 
    Upland, CA 
     (3.9 miles away)
    Experience:
    23+ years
    Languages Spoken:
    English

    Nutan Bhaskar is an Internal Medicine specialist and a Pulmonary Medicine provider practicing medicine in Upland, California. He has been practicing medicine for over 23 years. Dr. Bhaskar is rated as an Experienced provider by MediFind in the treatment of Long Haul COVID. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Bronchiolitis Obliterans, Industrial Bronchitis, Atypical Pneumonia, Hospital-Acquired Pneumonia, and Advanced Bronchoscopy. Dr. Bhaskar is board certified in American BoardInternal Medicine.

    Experienced in Long Haul COVID
    Family Medicine
    Experienced in Long Haul COVID
    Family Medicine

    Unicare Community Health Center Inc.

    437 N Euclid Ave, 
    Ontario, CA 
     (4.3 miles away)
    Languages Spoken:
    English

    William Paley is a primary care provider, practicing in Family Medicine in Ontario, California. Dr. Paley is rated as an Experienced provider by MediFind in the treatment of Long Haul COVID. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Obesity in Children, Obesity, Food Allergy, and Tangier Disease.

    Experienced in Long Haul COVID
    Intensive Care Medicine
    Experienced in Long Haul COVID
    Intensive Care Medicine

    121 Rehab. Physical Therapy Corp.

    1940 N Orange Grove Ave Ste A, 
    Pomona, CA 
     (8.4 miles away)
    Languages Spoken:
    English

    Dallis Ngo is an Intensive Care Medicine provider practicing medicine in Pomona, California. Dr. Ngo is rated as an Experienced provider by MediFind in the treatment of Long Haul COVID. His clinical expertise encompasses Pneumonia, Chronic Obstructive Pulmonary Disease (COPD), Lung Metastases, Gallbladder Removal, and Endoscopy.

    Experienced in Long Haul COVID
    Family Medicine
    Experienced in Long Haul COVID
    Family Medicine

    Chino Hills Family Medical Group

    15361 Central Avenue, 
    Chino, CA 
     (8.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Cynthia Moreno is a primary care provider, practicing in Family Medicine in Chino, California. Dr. Moreno is rated as an Experienced provider by MediFind in the treatment of Long Haul COVID. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Empyema, Sinusitis, Cellulitis, and Vertigo.

    Experienced in Long Haul COVID
    Intensive Care Medicine
    Experienced in Long Haul COVID
    Intensive Care Medicine

    Optum California-Chaparral Medical Group

    1940 N Orange Grove Ave, 
    Pomona, CA 
     (9.0 miles away)
    Languages Spoken:
    English

    Gurbinder Sadana is an Intensive Care Medicine provider practicing medicine in Pomona, California. Dr. Sadana is rated as an Experienced provider by MediFind in the treatment of Long Haul COVID. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Excessive Daytime Sleepiness, Drowsiness, Obstructive Sleep Apnea, Irregular Sleep-Wake Syndrome, and Gastrostomy.

    Experienced in Long Haul COVID
    Intensive Care Medicine
    Experienced in Long Haul COVID
    Intensive Care Medicine

    Optum California-Chaparral Medical Group

    1940 N Orange Grove Ave, 
    Pomona, CA 
     (9.0 miles away)
    Languages Spoken:
    English

    Joseph Gordon is an Intensive Care Medicine provider practicing medicine in Pomona, California. Dr. Gordon is rated as an Experienced provider by MediFind in the treatment of Long Haul COVID. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Pneumonia, Pulmonary Tuberculosis, Chronic Obstructive Pulmonary Disease (COPD), Lung Metastases, and Gastrostomy.

    Experienced in Long Haul COVID
    Intensive Care Medicine
    Experienced in Long Haul COVID
    Intensive Care Medicine

    Optum California-Chaparral Medical Group

    1940 N Orange Grove Ave, 
    Pomona, CA 
     (9.0 miles away)
    Languages Spoken:
    English

    Nathaniel Soriano is an Intensive Care Medicine provider practicing medicine in Pomona, California. Dr. Soriano is rated as an Experienced provider by MediFind in the treatment of Long Haul COVID. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Chronic Obstructive Pulmonary Disease (COPD), Pneumonia, Lung Metastases, Pulmonary Aspergilloma, and Gastrostomy.

    Advanced in Long Haul COVID
    Internal Medicine | Pulmonary Medicine
    Advanced in Long Haul COVID
    Internal Medicine | Pulmonary Medicine

    Inland Physicians Medical Group

    9525 Monte Vista Ave, 
    Montclair, CA 
     (6.2 miles away)
    Experience:
    28+ years
    Languages Spoken:
    English
    Offers Telehealth

    Elbert Chang is an Internal Medicine specialist and a Pulmonary Medicine provider practicing medicine in Montclair, California. He has been practicing medicine for over 28 years. Dr. Chang is rated as an Advanced provider by MediFind in the treatment of Long Haul COVID. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Asthma, Pneumonia, EGFR Positive Lung Cancer, Gastrostomy, and Advanced Bronchoscopy. Dr. Chang is board certified in American Board Of Internal Medicine.

    Advanced in Long Haul COVID
    Internal Medicine
    Advanced in Long Haul COVID
    Internal Medicine

    Kenneth S Brown MD A Professional Corporation

    1866 N Orange Grove Ave Ste 102, 
    Pomona, CA 
     (8.4 miles away)
    Languages Spoken:
    English

    Rishu Marwaha is a primary care provider, practicing in Internal Medicine in Pomona, California. Dr. Marwaha is rated as an Advanced provider by MediFind in the treatment of Long Haul COVID. She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Obesity, Axillary Nerve Dysfunction, Obesity in Children, and High Cholesterol.

    Experienced in Long Haul COVID
    Family Medicine
    Experienced in Long Haul COVID
    Family Medicine

    Ontario Vineyard Medical Offices

    2295 S Vineyard Avenue, 
    Ontario, CA 
     (5.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Lisa Tran is a primary care provider, practicing in Family Medicine in Ontario, California. Dr. Tran is rated as an Experienced provider by MediFind in the treatment of Long Haul COVID. Her clinical expertise encompasses Interstitial Nephritis, Type 2 Diabetes (T2D), Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension. Dr. Tran is currently accepting new patients.

    Showing 1-20 of 81

    Last Updated: 04/28/2026

    What is the definition of Long Haul COVID?

    Post-COVID-19 (coronavirus) syndrome, also known as “long-COVID-19” or “long-haulers,” describes the condition of experiencing lingering symptoms after COVID-19 infection that can persist for weeks or months and/or become long-term health problems. Affecting only an estimated 10% of patients who have had a COVID-19 infection, patients with Post-COVID-19 syndrome test negative for the virus; however, they continue to experience symptoms believed to be caused by lingering organ damage after a COVID-19 infection.

    When should I see a Long Haul COVID doctor near Rancho Cucamonga, 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 Long Haul COVID doctor near Rancho Cucamonga, 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 Long Haul COVID doctors near Rancho Cucamonga, 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 Long Haul COVID doctors near Rancho Cucamonga, 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 Long Haul COVID doctor near Rancho Cucamonga, 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 Long Haul COVID doctor search results page. 

    Why is it important to get a second opinion from a different Long Haul COVID 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 Long Haul COVID doctor near Rancho Cucamonga, 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 Long Haul COVID 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 Long Haul COVID 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 Long Haul COVID doctors near Rancho Cucamonga, CA?

    Look for the filter feature on the left side of the Long Haul COVID 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 Long Haul COVID doctor that offers video calls?

    Look for the filter feature on the left-side of the Long Haul COVID 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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