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257 verified Medicare Gastroenterologists in Los Angeles, CA
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 04/16/2026
Availability last updated 04/16/2026
Gastroenterologist
7820 mi · 638 W Duarte Rd, 5, Arcadia, CA 91007
Out-of-network
Accepting new patients · Expertise in chronic indigestion without clear cause + 3 more ·
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Donald Portocarrero, DO is a Gastroenterologist in Arcadia, CA and Monterey Park, CA. Donald Portocarrero was board certified by American Board of Gastroenterology Certification in Gastroenterology. Their offices are located in 122A E Foothill Blvd 304, Arcadia, CA, 850 S Atlantic Blvd 101, Monterey...Click to read more
Gastroenterologist
7820 mi · 12486 Washington Blvd, Whittier, CA 90602
Out-of-network
Accepting new patients · 25+ years of experience · Expertise in irritable bowel syndrome (ibs) ·
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Barton Ueki Md Inc, MD is a Gastroenterologist in Whittier, CA, Long Beach, CA and Lakewood, CA. They completed their residency at L A Co-Usc Medical Center. They attended medical school at University Of California in 1966. Barton Ueki Md Inc was board certified by American Board of Internal Medicin...Click to read more
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1-3 days

Average time it takes to be seen by a provider

Doctor
100k

Verified providers with a 4.8 average rating

Primary Care Physician
15+ years

In the business of finding quality care for patients

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Frequently asked questions

How can I make a same-day appointment with a Gastroenterologist in Los Angeles who takes Medicare insurance?

On average, patients who use Zocdoc can search for a Gastroenterologist in Los Angeles who takes Medicare insurance, book an appointment, and see the Gastroenterologist within 24 hours. Same-day appointments are often available, you can search for real-time availability of Gastroenterologists in Los Angeles who accept Medicare insurance and make an appointment online.


How can I find a Gastroenterologist in Los Angeles who takes Medicare?

Zocdoc lets you search specifically for a Gastroenterologist in Los Angeles who takes Medicare. 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 a Medicare Gastroenterologist in Los Angeles?

Zocdoc is a free online service that helps patients find Medicare Gastroenterologists in Los Angeles and book appointments instantly. You can search for Medicare Gastroenterologists in Los Angeles by symptom or visit reason. 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 Gastroenterologist in Los Angeles who takes Medicare insurance?

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


How can I find a Medicare Gastroenterologist in Los Angeles who sees patients after hours?

On Zocdoc, you can search specifically for Medicare Gastroenterologists in Los Angeles with availability after 5 p.m.


How can I find a top-rated Medicare Gastroenterologist in Los Angeles?

You can use Zocdoc to find Medicare Gastroenterologists in Los Angeles 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 a Gastroenterologist online in Los Angeles?

Gastroenterologists in Los Angeles 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 Gastroenterologists who offer video visits.


Are video visits with a Gastroenterologist online covered by Medicare?

Most insurers provide coverage for video visits at the same cost as in-person visits. You can search on Zocdoc specifically for Gastroenterologists in Los Angeles who accept Medicare 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 a Medicare Gastroenterologist in Los Angeles who sees patients in the morning or evening?

Zocdoc lets you search specifically for a Gastroenterologist 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 a Medicare Gastroenterologist in Los Angeles who sees patients during the weekend?

Zocdoc let's you see real-time availability for Medicare Gastroenterologists in Los Angeles. Many Medicare Gastroenterologists offer appointments on Saturdays and Sundays.


Zocdoc›Gastroenterologists›Los Angeles, CA›Medicare