The 20 Best COVID-19 Doctors Near Me in Diamond Bar, CA

Find the Top COVID-19 Experts and Specialists

The 20 Best COVID-19 Doctors near Diamond Bar, CA

Last Updated: 02/22/2026

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MediFind found 482 doctor with experience in COVID-19 near Diamond Bar, CA. Of these, 435 are Experienced, 38 are Advanced and 9 are Distinguished.

Location
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482 providers found
    Experienced in COVID-19
    Pediatrics | Internal Medicine
    Experienced in COVID-19
    Pediatrics | Internal Medicine
    2707 South Diamond Bar Boulevard, Suite 104, 
    Diamond Bar, CA 
     (1.2 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Offers Telehealth

    Jonathan Ou is a primary care provider, practicing in Pediatrics and Internal Medicine in Diamond Bar, California. Dr. Ou has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of COVID-19. His top areas of expertise are Osteomyelitis in Children, High Cholesterol, Febrile Neutropenia, and Vitamin D Deficiency.

    Advanced in COVID-19
    Family Medicine
    Advanced in COVID-19
    Family Medicine

    Providence Urgent Care-Chino Hills

    15855 Pomona Rincon Rd, 
    Chino Hills, CA 
     (4.9 miles away)
    Languages Spoken:
    English

    Scott Vaudrey is a primary care provider, practicing in Family Medicine in Chino Hills, California. Dr. Vaudrey is rated as an Advanced provider by MediFind in the treatment of COVID-19. His top areas of expertise are Acute Cystitis, Cellulitis, Peptic Ulcer, and Necrosis.

    Distinguished in COVID-19
    Geriatrics | Physician Assistant | Internal Medicine
    Distinguished in COVID-19
    Geriatrics | Physician Assistant | Internal Medicine

    Vital Health Medical Group, Inc.

    2418 S Azusa Ave, 
    West Covina, CA 
     (6.2 miles away)
    Experience:
    30+ years
    Languages Spoken:
    English

    Marcel Filart is a primary care provider, practicing in Internal Medicine and Physician Assistant in West Covina, California. Mr. Filart has been practicing medicine for over 30 years and is rated as a Distinguished provider by MediFind in the treatment of COVID-19. His top areas of expertise are Sepsis, COVID-19, Dehydration, Gastrostomy, and Prostatectomy.

    Are you looking for a specific type of COVID-19?

    Common conditions include: Long Haul COVID

    Learn about our expert tiers
    Distinguished in COVID-19
    Infectious Disease
    Distinguished in COVID-19
    Infectious Disease

    Inland Valley Infectious Disease Medical Group, Inc.

    255 E Bonita Ave, 
    Pomona, CA 
     (7.5 miles away)
    Experience:
    31+ years
    Languages Spoken:
    English

    John Mourani is an Infectious Disease provider in Pomona, California. Dr. Mourani has been practicing medicine for over 31 years and is rated as a Distinguished provider by MediFind in the treatment of COVID-19. His top areas of expertise are COVID-19, Multisystem Inflammatory Syndrome in Children (MIS-C), Lymphangitis, Pneumonia, and Gastrostomy.

    Distinguished in COVID-19
    Infectious Disease
    Distinguished in COVID-19
    Infectious Disease

    Emanate Health Inter-Community Hospital

    210 W San Bernardino Rd, 
    Covina, CA 
     (7.6 miles away)
    Languages Spoken:
    English

    Devesh Patel is an Infectious Disease provider in Covina, California. Dr. Patel is rated as a Distinguished provider by MediFind in the treatment of COVID-19. His top areas of expertise are Sepsis, Hospital-Acquired Pneumonia, Pneumonia, and Multisystem Inflammatory Syndrome in Children (MIS-C).

    Dennis J. Ponzio
    Experienced in COVID-19
    Family Medicine | Pediatrics
    Experienced in COVID-19
    Family Medicine | Pediatrics

    Caduceus Medical Group

    18200 Yorba Linda Blvd, Suite 250, 
    Yorba Linda, CA 
     (7.8 miles away)
    Experience:
    38+ years
    Languages Spoken:
    English
    Offers Telehealth

    Dennis Ponzio is a primary care provider, practicing in Pediatrics and Family Medicine in Yorba Linda, California. Dr. Ponzio has been practicing medicine for over 38 years and is rated as an Experienced provider by MediFind in the treatment of COVID-19. His top areas of expertise are High Cholesterol, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

    Distinguished in COVID-19
    Infectious Disease
    Distinguished in COVID-19
    Infectious Disease

    Office

    1135 S Sunset Ave Ste 208, 
    West Covina, CA 
     (8.5 miles away)
    Languages Spoken:
    English

    Karen Guiang is an Infectious Disease provider in West Covina, California. Dr. Guiang is rated as a Distinguished provider by MediFind in the treatment of COVID-19. Her top areas of expertise are Sepsis, COVID-19, Pneumonia, and Lymphangitis.

    Distinguished in COVID-19
    Internal Medicine
    Distinguished in COVID-19
    Internal Medicine

    Anil Gupta MD Inc.

    1535 W Merced Ave Ste 301, 
    West Covina, CA 
     (8.5 miles away)
    Languages Spoken:
    English

    Anil Gupta is a primary care provider, practicing in Internal Medicine in West Covina, California. Dr. Gupta is rated as a Distinguished provider by MediFind in the treatment of COVID-19. His top areas of expertise are Lung Metastases, COVID-19, Neonatal Sepsis, Gastrostomy, and Endoscopy.

    Distinguished in COVID-19
    Infectious Disease | Internal Medicine
    Distinguished in COVID-19
    Infectious Disease | Internal Medicine

    Foothills Infectious Disease Medical Group, Inc.

    935 W Foothill Blvd, 
    Claremont, CA 
     (8.6 miles away)
    Experience:
    43+ years
    Languages Spoken:
    English

    Hua Jiang is an Infectious Disease specialist and an Internal Medicine provider in Claremont, California. Dr. Jiang has been practicing medicine for over 43 years and is rated as a Distinguished provider by MediFind in the treatment of COVID-19. His top areas of expertise are Sepsis, COVID-19, Pneumonia, Lithotripsy, and Tissue Biopsy.

    Distinguished in COVID-19
    Infectious Disease | Internal Medicine
    Distinguished in COVID-19
    Infectious Disease | Internal Medicine

    Foothills Infectious Disease Medical Group, Inc.

    935 W Foothill Blvd, 
    Claremont, CA 
     (8.6 miles away)
    Experience:
    45+ years
    Languages Spoken:
    English
    Offers Telehealth

    Sohanjeet Bassi is an Infectious Disease specialist and an Internal Medicine provider in Claremont, California. Dr. Bassi has been practicing medicine for over 45 years and is rated as a Distinguished provider by MediFind in the treatment of COVID-19. His top areas of expertise are Osteomyelitis, Sepsis, COVID-19, and Multisystem Inflammatory Syndrome in Children (MIS-C).

    Distinguished in COVID-19
    Infectious Disease | Internal Medicine
    Distinguished in COVID-19
    Infectious Disease | Internal Medicine

    Foothills Infectious Disease Medical Group, Inc.

    935 W Foothill Blvd, 
    Claremont, CA 
     (8.6 miles away)
    Experience:
    23+ years
    Languages Spoken:
    English

    Atia Shah is an Infectious Disease specialist and an Internal Medicine provider in Claremont, California. Dr. Shah has been practicing medicine for over 23 years and is rated as a Distinguished provider by MediFind in the treatment of COVID-19. Her top areas of expertise are Sepsis, COVID-19, Multisystem Inflammatory Syndrome in Children (MIS-C), and Pneumonia.

    Distinguished in COVID-19
    Infectious Disease | Internal Medicine
    Distinguished in COVID-19
    Infectious Disease | Internal Medicine

    Nilesh N. Patel, MD

    130 W Route 66, 
    Glendora, CA 
     (9.3 miles away)
    Experience:
    35+ years
    Languages Spoken:
    English
    Offers Telehealth

    Nilesh Patel is an Infectious Disease specialist and an Internal Medicine provider in Glendora, California. Dr. Patel has been practicing medicine for over 35 years and is rated as a Distinguished provider by MediFind in the treatment of COVID-19. His top areas of expertise are Hospital-Acquired Pneumonia, Pneumonia, Sepsis, Gastrostomy, and Endoscopy.

    Experienced in COVID-19
    Family Medicine
    Experienced in COVID-19
    Family Medicine
    253 South Diamond Bar Boulevard, 
    Diamond Bar, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Aaron Lin is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Lin is rated as an Experienced provider by MediFind in the treatment of COVID-19. His top areas of expertise are High Cholesterol, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Sciatica, and COVID-19. Dr. Lin is currently accepting new patients.

    Experienced in COVID-19
    Family Medicine
    Experienced in COVID-19
    Family Medicine
    253 South Diamond Bar Boulevard, 
    Diamond Bar, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Patrick Bachoura is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Bachoura is rated as an Experienced provider by MediFind in the treatment of COVID-19. His top areas of expertise are Cerebellar Multiple System Atrophy, Hepatocerebral Degeneration, Chronic Pain, and Osteomyelitis in Children. Dr. Bachoura is currently accepting new patients.

    Experienced in COVID-19
    Family Medicine
    Experienced in COVID-19
    Family Medicine
    253 South Diamond Bar Boulevard, 
    Diamond Bar, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Lilian Li is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Li is rated as an Experienced provider by MediFind in the treatment of COVID-19. Her top areas of expertise are High Cholesterol, Type 2 Diabetes (T2D), Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension. Dr. Li is currently accepting new patients.

    Experienced in COVID-19
    Internal Medicine
    Experienced in COVID-19
    Internal Medicine
    920 North Diamond Bar Boulevard, 
    Diamond Bar, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Steve Chan is a primary care provider, practicing in Internal Medicine in Diamond Bar, California. Dr. Chan is rated as an Experienced provider by MediFind in the treatment of COVID-19. His top areas of expertise are Chronic Kidney Disease, Irregular Sleep-Wake Syndrome, Pneumonia, Gastrostomy, and Fasciotomy. Dr. Chan is currently accepting new patients.

    Experienced in COVID-19
    Family Medicine
    Experienced in COVID-19
    Family Medicine

    Kaiser Permanente PHMCY #554

    1336 Bridgegate Dr, 
    Diamond Bar, CA 
     (1.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Savitha Sunkara is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Sunkara is rated as an Experienced provider by MediFind in the treatment of COVID-19. Her top areas of expertise are Opisthotonos, Muscle Spasms, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), and Vulvovaginitis.

    Experienced in COVID-19
    Family Medicine
    Experienced in COVID-19
    Family Medicine

    Diamond Bar Medical Office

    1336 Bridgegate Dr, 
    Diamond Bar, CA 
     (1.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jun Huang is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Huang is rated as an Experienced provider by MediFind in the treatment of COVID-19. His top areas of expertise are Osteomyelitis in Children, Type 2 Diabetes (T2D), Hypertension, and Familial Hypertension. Dr. Huang is currently accepting new patients.

    Experienced in COVID-19
    Internal Medicine
    Experienced in COVID-19
    Internal Medicine

    Hee

    20627 Golden Springs Dr, 
    Walnut, CA 
     (2.5 miles away)
    Experience:
    58+ years
    Languages Spoken:
    English
    Offers Telehealth

    Hee Oh is a primary care provider, practicing in Internal Medicine in Walnut, California. Dr. Oh has been practicing medicine for over 58 years and is rated as an Experienced provider by MediFind in the treatment of COVID-19. His top areas of expertise are Type 2 Diabetes (T2D), Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

    Experienced in COVID-19
    Family Medicine
    Experienced in COVID-19
    Family Medicine

    Premier Family Medicine Associates, Inc

    2140 Grand Ave, Suite 125, 
    Chino Hills, CA 
     (3.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jesse Cheung is a primary care provider, practicing in Family Medicine in Chino Hills, California. Dr. Cheung is rated as an Experienced provider by MediFind in the treatment of COVID-19. His top areas of expertise are Type 2 Diabetes (T2D), Obesity, Sepsis, and Glucocorticoid-Remediable Aldosteronism.

    Showing 1-20 of 482

    Last Updated: 02/22/2026

    What is the definition of COVID-19?

    Coronavirus disease 2019 (COVID-19) is a respiratory illness that causes fever, coughing, and shortness of breath, but many other symptoms can occur. COVID-19 is caused by a highly infectious virus. Most people get mild to moderate illness. Older adults and people with certain health conditions are at high risk for severe illness and death. More than one million people in the United States have died from COVID-19.

    When should I see a COVID-19 doctor near Diamond Bar, 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 COVID-19 doctor near Diamond Bar, 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 COVID-19 doctors near Diamond Bar, 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 COVID-19 doctors near Diamond Bar, 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 COVID-19 doctor near Diamond Bar, 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 COVID-19 doctor search results page. 

    Why is it important to get a second opinion from a different COVID-19 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 COVID-19 doctor near Diamond Bar, 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 COVID-19 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 COVID-19 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 COVID-19 doctors near Diamond Bar, CA?

    Look for the filter feature on the left side of the COVID-19 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 COVID-19 doctor that offers video calls?

    Look for the filter feature on the left-side of the COVID-19 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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