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3 verified providers in your area
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
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Availability last updated 04/24/2026
Availability last updated 04/24/2026

Dr. Ronald Lang, MD

Internist
4.10
·21 reviews
Dr. lang has a nice presence and seems like a good doctor. Unfortunately, the office isn't equipped with enough staff or operational oversight to facilitate communication with patients. All phone calls go unanswered and its quite difficult to get any follow-up communication regarding test results. T...Click to read more
42 mi · 8737 Beverly Blvd, #203, Los Angeles, CA 90048
Accepts BlueCross BlueShield, Medicare, UnitedHealthcare + 12 more
Accepting new patients · 25+ years of experience · Expertise in chronic anemia + 1 more ·
Read bio
Dr. Ronald Lang is a nephrologist and internal medicine specialist at Synergy Hematology Oncology Medical Associates, Inc. He earned his Doctor of Medicine degree from Ohio State University. Dr. Lang specializes in the management of kidney diseases and disorders, as well as general medicine needs, i...Click to read more
Next available: Tue, May 5

Dr. Kamyar Kamjoo, MD

Internist (Virtual)
4.41
·41 reviews
First visit it took 2 hours like I expected. They are all really through Dr and nurses. - Jan 26, 2015 by James G.Click to read more
Tarzana, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in acute kidney failure + 2 more ·
Read bio
**Please Be Advised: All patients, once you receive a confirmation email from Zocdoc after booking, please call the office to finish your booking process!** Dr. Kamjoo has implemented a concierge-style practice, which includes a yearly fee. If concierge medicine is not the route you are considering...Click to read more
Next available: Mon, Apr 27

Dr. Kamyar Kamjoo, MD

Internist
4.41
·41 reviews
First visit it took 2 hours like I expected. They are all really through Dr and nurses. - Jan 26, 2015 by James G.Click to read more
53 mi · 18370 Burbank Blvd, Ste 201, Tarzana, CA 91356
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Also offers video visits · Accepting new patients · 25+ years of experience · Expertise in acute kidney failure + 2 more ·
Read bio
**Please Be Advised: All patients, once you receive a confirmation email from Zocdoc after booking, please call the office to finish your booking process!** Dr. Kamjoo has implemented a concierge-style practice, which includes a yearly fee. If concierge medicine is not the route you are considering...Click to read more
Other providers
Availability last updated 04/24/2026
Availability last updated 04/24/2026

Robert Nguyen, MDMPH

Internist
7803.5 mi · 310 Commerce, 200, Irvine, CA 92602
Accepts Aetna, UnitedHealthcare
Accepting new patients ·
Read bio
Robert Nguyen, MDMPH is a Internist in Irvine, CA. Robert Nguyen was board certified by American Board of Internal Medicine Certification in Internal Medicine. Their office is located in 310 Commerce 200, Irvine, CA.Click to read more

Tingting Tan, MD

Internist
7803.5 mi · 1601 Avocado Ave, Newport Beach, CA 92660
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · Offers video visits · Expertise in lung cancer + 2 more ·
Read bio
Tingting Tan, MD is a Internist in Los Angeles, CA and Newport Beach, CA. Tingting Tan was board certified by American Board of Hematology Certification in Hematology and American Board of Medical Oncology Certification in Medical Oncology. Their offices are located in 201 S Alvarado St 110, Los Ang...Click to read more

Thuan Vo, MD

Internist
7803.5 mi · 9024 Bolsa Ave, Westminster, CA 92683
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in chronic high blood pressure + 9 more ·
Read bio
Thuan Vo, MD is a Internist in Westminster, CA. They attended medical school at University Of North Carolina At Chapel Hill School Of Medicine in 1994. They completed their residency at University Of Nc Hosps. Their office is located in 9024 Bolsa Ave, Westminster, CA.Click to read more

John Fisher, MD

Nephrologist
7803.5 mi · 17491 Bastanchury Rd, Yorba Linda, CA 92886
Accepts Aetna, Cigna + 3 more
Accepting new patients · 25+ years of experience · Expertise in chronic kidney disease + 1 more ·
Read bio
John Fisher, MD is a Nephrologist in Yorba Linda, CA and Palmdale, CA. They completed their residency at Vet Affairs Medical Center. They attended medical school at University Paul Sabatier in 1981. Their offices are located in 17491 Bastanchury Rd, Yorba Linda, CA and 1007 W Avenue M14 B, Palmdale,...Click to read more

Mark Chung, MD

Internist
7803.5 mi · 11821 South St, Cerritos, CA 90703
Accepts Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in sleep apnea + 2 more ·
Read bio
Mark Chung, MD is a Internist in Yorba Linda, CA and Cerritos, CA. They completed their residency at University Ca Irvine Medical Center. They attended medical school at SuNew York At Buffalo School Of Medical & Biomedical Sci in 1982. Mark Chung was board certified by American Board of Internal Med...Click to read more

Lance Hirano, MD

Internist
7803.5 mi · 2110 N Bellflower Blvd, Long Beach, CA 90815
Accepts Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Offers video visits ·
Read bio
Lance Hirano, MD is a Internist in Fountain Valley, CA and Long Beach, CA. They completed their residency at L A Co-Usc Medical Center in 1995. They attended medical school at University of Southern California School Of Medicine in 1991. Their offices are located in 17360 Brookhurst St, Fountain Val...Click to read more

Deno Kang, MD

Nephrologist
7803.5 mi · 18102 Pioneer Blvd, 204, Artesia, CA 90701
Accepts Aetna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Expertise in acute kidney failure + 2 more ·
Read bio
Deno Kang, MD is a Nephrologist in Los Angeles, CA and Artesia, CA. They attended medical school at Korea University College Of Medicine in 1991. They completed their residency at Va Greater La Hlthcare Sys. Deno Kang was board certified by American Board of Nephrology Certification in Nephrology. T...Click to read more

John Khoury, MD

Internist
7803.5 mi · 18000 Studebaker Rd, 800, Cerritos, CA 90703
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · Offers video visits · Expertise in chronic anemia ·
Read bio
John Khoury, MD is a Internist in Downey, CA, Cerritos, CA and Pasadena, CA. John Khoury was board certified by American Board of Internal Medicine Certification in Internal Medicine. Their offices are located in 11480 Brookshire Ave 309, Downey, CA, 18000 Studebaker Rd 800, Cerritos, CA and 50 Bell...Click to read more

David Lin, MD

Emergency Medicine Physician
7803.5 mi · 9080 Colima Rd, Whittier, CA 90605
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience ·
Read bio
David Lin, MD is a Emergency Medicine Physician in Whittier, CA, Tustin, CA and South El Monte, CA. They completed their residency at Long Island Jewish Medical Center. They attended medical school at Suny-Hlth Sci Ctr At Brooklyn in 1993. David Lin was board certified by American Board of Emergency...Click to read more

D Cotton, MD

Internist
7803.5 mi · 12474 Washington Blvd, Whittier, CA 90602
Accepts Aetna, UnitedHealthcare + 3 more
Accepting new patients ·
Read bio
D Cotton, MD is a Internist in Los Angeles, CA and Whittier, CA. Their offices are located in 12401 Washington Pl, Los Angeles, CA and 12474 Washington Blvd, Whittier, CA.Click to read more

Hussain Al-Darsani, MD

Internist
7803.5 mi · 5562 Philadelphia St, 203, Chino, CA 91710
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in acid reflux + 4 more ·
Read bio
Hussain Al-Darsani, MD is a Internist in Chino, CA. They completed their residency at Mercy Fitzgerald Hospital. They attended medical school at University Of Damascus in 1985. Hussain Al-Darsani was board certified by American Board of Internal Medicine Certification in Internal Medicine. Their off...Click to read more
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Frequently asked questions

How can I make a same-day appointment with an Internist in Irvine, CA?

On average, patients who use Zocdoc can search for an Internist in Irvine, CA, book an appointment, and see the Internist within 24 hours. Same-day appointments are often available, you can search for real-time availability of Internists in Irvine, CA who accept your insurance and make an appointment online.

How can I find an Irvine, CA Internist who takes my insurance?

Zocdoc lets you search specifically for an Irvine, CA Internist who takes your insurance. Just choose your carrier and plan from the drop-down menu at the top of the page. If you’re not sure which plan you have, you can use Zocdoc’s insurance checker to find out.

How can I book an appointment online with an Internist in Irvine, CA?

Zocdoc is a free online service that helps patients find Internists in Irvine, CA and book appointments instantly. You can search for Irvine, CA Internists by symptom or visit reason. Then, choose your insurance plan. Based on that information, you’ll see a list of providers who meet your search criteria, along with their available appointment slots.

How can I find a female Internist in Irvine, CA?

When you search for Irvine, CA Internists on Zocdoc, you can filter your results by gender, in addition to other criteria. That way, you’ll only see Internists in Irvine, CA who match your preferences.

How can I find an Irvine, CA Internist who sees patients after hours?

On Zocdoc, you can search specifically for Irvine, CA Internists with availability after 5 p.m.

How can I find a top-rated Internist in Irvine, CA?

You can use Zocdoc to find Internists in Irvine, CA who are highly rated by other patients. These ratings are based on verified reviews submitted by real patients. Every time a patient completes an appointment booked on Zocdoc, they’re invited to review their experience. Each review must comply with Zocdoc’s guidelines.

How can I find a video visit with an Internist online in Irvine, CA?

Internists in Irvine, CA on Zocdoc who see patients through online video visits will have a purple video icon on their profiles. You can also filter your search results to show only Internists who offer video visits.

Are video visits with an Internist online covered by my insurance?

Most insurers provide coverage for video visits at the same cost as in-person visits. You can search on Zocdoc specifically for Internists in Irvine, CA who accept your insurance for video visits by selecting your carrier and plan from the drop-down menu at the top of the page. We recommend you check with your insurance carrier directly to confirm your coverage and out of pocket costs for video visits.

How can I find an Internist in Irvine, CA who sees patients in the morning or evening?

Zocdoc lets you search specifically for an Internist who has appointments available before 10:00 am, or after 5:00 pm. Just choose the special hours filter at the top of our search page.

How can I find an Internist in Irvine, CA who sees patients during the weekend?

Zocdoc let's you see real-time availability for Internists in Irvine, CA. Many Internists offer appointments on Saturdays and Sundays.

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