
Danny Wu · Gastroenterology Physician
300 Frank H Ogawa Plz Suite 355, Oakland, CA, 94612
NPI · 1235197898No reviews
Insurance
Not specified
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100 providers found
Finding the right gastroenterologist in California means weighing insurance coverage, distance, and bedside manner. The metro has a growing bench of gastroenterologists — 100+ verified gastroenterologists are listed below.

Danny Wu · Gastroenterology Physician
300 Frank H Ogawa Plz Suite 355, Oakland, CA, 94612
NPI · 1235197898Insurance

Navjyot Gujral · Gastroenterology Physician
655 Camino De Los Mares, San Clemente, CA, 92673
NPI · 1174591994Insurance

Martin Jay Collen · Gastroenterology Physician
36320 Inland Valley Dr, Wildomar, CA, 92595
NPI · 1578659249Insurance

Michael Thomas Oliver · Gastroenterology Physician
420 W Rowland St, Covina, CA, 91723
NPI · 1487613014Insurance

James Edward Allison · Gastroenterology Physician
1001 Potrero Avenue, San Francisco, CA, 94110
NPI · 1265535777Insurance

Richard T Landres · Gastroenterology Physician
500 W Hospital Rd., French Camp, CA, 95231
NPI · 1356372973Insurance

Joseph Traube · Gastroenterology Physician
4275 Campus Point Ct, San Diego, CA, 92121
NPI · 1548371529Insurance

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Marc David Wishingrad · Gastroenterology Physician
2001 Santa Monica Blvd, Santa Monica, CA, 90404
NPI · 1093764359Insurance

Mark M. Tsuchiyose · Gastroenterology Physician
1850 Sullivan Avenue #520, Daly City, CA, 94015
NPI · 1063412195Insurance

Sirus Farivar, M.D. · Gastroenterology Physician
17822 Beach Blvd Suite 437, Huntington Beach, CA, 92647
NPI · 1114148525Insurance

Atul B. Vachhani, M.D., Inc.. · Gastroenterology Physician
525 E Plaza Dr, Santa Maria, CA, 93454
NPI · 1386844892Insurance

Errol Richard Korn · Gastroenterology Physician
750 Medical Center Ct Suite 12, Chula Vista, CA, 91911
NPI · 1922041052Insurance

Anup J. Patel · Pediatric Gastroenterology Physician
455 S Main St, Orange, CA, 92868
NPI · 1215015888Insurance

Wireless Diagnostic · Gastroenterology Physician
2080 Century Park East #1206, Los Angeles, CA, 90067
NPI · 1821164070Insurance

Sohrab Rahimi Naini MD Inc. · Gastroenterology Physician
440 W Putnam Ave, Porterville, CA, 93257
NPI · 1316536287Insurance

Glenn D. Madokoro, M.D, F.A.C.G., Inc.. · Gastroenterology Physician
351 Hospital Rd, Newport Beach, CA, 92663
NPI · 1699980995Insurance

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Dr P G Rajan,MD Inc. · Gastroenterology Physician
1711 W Romneya Dr, Anaheim, CA, 92801
NPI · 1700903564Insurance

Long Phi Dang, MD, Inc.. · Gastroenterology Physician
7891 Westminster Blvd, Westminster, CA, 92683
NPI · 1467698118Insurance

Gary Merle Wernick · Gastroenterology Physician
10408 Industrial Cir, Redlands, CA, 92374
NPI · 1033189808Insurance

Jayanta Choudhury · Gastroenterology Physician
7015 N Chestnut Ave, Fresno, CA, 93720
NPI · 1851312268Insurance

George Tinawi · Gastroenterology Physician
2490 Hospital Dr Suite 211, Mountain View, CA, 94040
NPI · 1518127216Insurance

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Jyothi Ahalya Reddy · Gastroenterology Physician
9670 Magnolia Ave Suite 203, Riverside, CA, 92503
NPI · 1033221007Insurance

Jerome E. Goldwasser, M.D. · Gastroenterology Physician
8635 W 3Rd St # 970W, Los Angeles, CA, 90048
NPI · 1487875894Insurance

Brynie Slome Collins MD, Inc. · Pediatric Gastroenterology Physician
5363 Balboa Blvd., Encino, CA, 91316
NPI · 1497049290Insurance

Jorge A. Rodriguez · Pediatric Gastroenterology Physician
13652 Cantara St, Panorama City, CA, 91402
NPI · 1770783466Insurance

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West Coast Pediatric Gastroenterology · Pediatric Gastroenterology Physician
1330 W Covina Blvd Suite 201, San Dimas, CA, 91773
NPI · 1316791932Insurance

Prohealth Partners A Medical Group · Gastroenterology Physician
24411 Health Center Dr, Laguna Hills, CA, 92653
NPI · 1326590902Insurance

Zhen Zhou Feng · Gastroenterology Physician
401 Bicentennial Way, Santa Rosa, CA, 95403
NPI · 1871600031Insurance

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Advanced Digestive Medical Center Corp. · Gastroenterology Physician
1360 Bailey St, Hanford, CA, 93230
NPI · 1578716098Insurance

Carol Sumi Murakami · Gastroenterology Physician
104 E Olive Ave Suite 100, Redlands, CA, 92373
NPI · 1821085390Insurance

Joseph Benjamin Weiss · Gastroenterology Physician
18422 Calle La Serra, Rancho Santa Fe, CA, 92091
NPI · 1700979283Insurance

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Mick Scott Meiselman · Gastroenterology Physician
1304 Ella St Suite A, San Luis Obispo, CA, 93401
NPI · 1801897012Insurance

Matthew Stephen Cole · Gastroenterology Physician
3501 Palmer Dr Suite 201, Cameron Park, CA, 95682
NPI · 1851450522Insurance

Allison Wong · Pediatric Gastroenterology Physician
2315 Stockton Blvd, Sacramento, CA, 95817
NPI · 1982893517Insurance

Tressia Hing · Gastroenterology Physician
1501 Trousdale Dr Fl 2, Burlingame, CA, 94010
NPI · 1427337815Insurance

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Gerald Donald Goldman · Gastroenterology Physician
1866 N Orange Grove #104, Pomona, CA, 91767
NPI · 1538232905Insurance

Jay P Diliberto MD Inc. · Gastroenterology Physician
18800 Delaware St, Huntington Beach, CA, 92648
NPI · 1467754226Insurance

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Lourdes G Bahamonde · Gastroenterology Physician
7643 Atlantic Ave, Cudahy, CA, 90201
NPI · 1134381619Insurance

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Alireza Sedarat · Gastroenterology Physician
1223 16Th St Suite 3100, Santa Monica, CA, 90404
NPI · 1629133913Insurance

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Parviz Javdan · Gastroenterology Physician
1762 Westwood Blvd, Los Angeles, CA, 90024
NPI · 1376640235Insurance

John A Selling · Gastroenterology Physician
340 Willowbrook Dr, Portola Valley, CA, 94028
NPI · 1386608024Insurance

Ronald Hirotsugu Omino · Gastroenterology Physician
2655 1St St Suite 360, Simi Valley, CA, 93065
NPI · 1871912451Insurance

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Gerald J. Kohn · Gastroenterology Physician
6600 Bruceville Rd, Sacramento, CA, 95823
NPI · 1457439184Insurance

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Stephen Leslie Herr · Gastroenterology Physician
7301 Medical Center Dr, West Hills, CA, 91307
NPI · 1326005091Insurance

Robert Michael Wilkes · Gastroenterology Physician
205 De Anza Blvd, San Mateo, CA, 94402
NPI · 1184703217Insurance

Shahrooz Bemanian · Gastroenterology Physician
113 Waterworks Way Suite 155, Irvine, CA, 92618
NPI · 1629123070Insurance

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Kapil Gupta · Gastroenterology Physician
8700 Beverly Blvd, West Hollywood, CA, 90048
NPI · 1164646642Insurance

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Norah A. Terrault · Gastroenterology Physician
1520 San Pablo St Suite 1000, Los Angeles, CA, 90033
NPI · 1225086283Insurance

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Philip C Yee · Gastroenterology Physician
5401 Norris Canyon Rd Suite 208, San Ramon, CA, 94583
NPI · 1770666448Insurance

Brett Partridge Professional Medical Corporation · Gastroenterology Physician
8860 Center Dr Suite 420, La Mesa, CA, 91942
NPI · 1134919962Insurance

Donald J Portocarrero D O Inc. · Gastroenterology Physician
623 W Duarte Rd Suite 8, Arcadia, CA, 91007
NPI · 1144824285Insurance

Stephen L. Moff · Gastroenterology Physician
710 Lawrence Expy, Santa Clara, CA, 95051
NPI · 1093892945Insurance

Oliver Nicholas Lin · Gastroenterology Physician
1425 S Main St, Walnut Creek, CA, 94596
NPI · 1497981575Insurance

Boris Reznik · Gastroenterology Physician
470 Greenfield Ave Suite 37, Hanford, CA, 93230
NPI · 1710087846Insurance

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Norman Kuo MD Phd Professional Corporation · Gastroenterology Physician
5471 La Palma Ave, La Palma, CA, 90623
NPI · 1447334826Insurance

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Dermot P Mcgovern · Gastroenterology Physician
8700 Beverly Blvd, West Hollywood, CA, 90048
NPI · 1326283821Insurance

Blanca E. Viramontes · Gastroenterology Physician
9961 Sierra Ave, Fontana, CA, 92335
NPI · 1023185931Insurance

David M. Berkowitz · Gastroenterology Physician
9400 Rosecrans Ave, Bellflower, CA, 90706
NPI · 1285701177Insurance

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Hanson T Lee MD, Inc. · Gastroenterology Physician
612 W Duarte Rd, Arcadia, CA, 91007
NPI · 1114024346Insurance

Sally Escarda Nacianceno · Gastroenterology Physician
175 N Jackson Ave, San Jose, CA, 95116
NPI · 1720180094Insurance

J H Suh M D Inc. · Gastroenterology Physician
639 S New Hampshire Ave, Los Angeles, CA, 90005
NPI · 1679668701Insurance

Kenneth T Roost MD Inc. · Gastroenterology Physician
1828 El Camino Real, Burlingame, CA, 94010
NPI · 1003111410Insurance

Douglas Andrew Politoske · Gastroenterology Physician
8008 Frost St, San Diego, CA, 92123
NPI · 1528077740Insurance

Suk Charles Whang · Gastroenterology Physician
David Grant Medical Center, Travis Afb, CA, 94535
NPI · 1619041316Insurance

American Advanced Gastroenterology Inc. · Gastroenterology Physician
173 E Webster St, Colusa, CA, 95932
NPI · 1376041962Insurance

Maria Sandra Alzona Umali · Gastroenterology Physician
22621 Lyons Ave, Newhall, CA, 91321
NPI · 1790817328Insurance

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Kali Zhou · Gastroenterology Physician
1520 San Pablo St Suite 1000, Los Angeles, CA, 90033
NPI · 1801195235Insurance

Shahid Hussain Sial · Gastroenterology Physician
1245 Wilshire Blvd, Los Angeles, CA, 90017
NPI · 1750381844Insurance

Medha Shukla · Pediatric Gastroenterology Physician
25845 Barton Rd Suite 101, Loma Linda, CA, 92354
NPI · 1013370204Insurance

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Sitaraman Jyotheeswaran · Gastroenterology Physician
1711 W Romneya Dr, Anaheim, CA, 92801
NPI · 1952469272Insurance

Huy Ngoc Trinh · Gastroenterology Physician
227 N Jackson Ave Suite 235, San Jose, CA, 95116
NPI · 1326041658Insurance

Gary M Van Deventer MD · Gastroenterology Physician
221 W Pueblo St, Santa Barbara, CA, 93105
NPI · 1053508721Insurance
These providers list this insurance as accepted, but coverage should be confirmed directly with the provider before booking.
Same specialty in cities near California — useful if your insurance network extends across the metro.
California has gastroenterologists practicing across hospital systems, group practices, and independent clinics. When choosing a gastroenterologist in California, the three factors most patients care about are: insurance acceptance, distance from home or work, and patient reviews. Heallexa shows all three on every listing so you can compare without clicking back and forth.
Many California gastroenterologists list major insurance plans including Blue Cross Blue Shield, Aetna, UnitedHealthcare, Cigna, Humana, and Medicare. Listings reflect what providers have indicated they accept — always confirm in-network status directly with the office before booking. Out-of-network visits can cost 3–5× more than in-network ones.
Sort the list above by rating. Heallexa surfaces verified patient reviews alongside credentials so you can see whether a provider's strengths match what you actually need.
Try the surrounding metro — insurance networks often extend across multiple cities. The nearby-cities links below open the same specialty in adjacent markets. Always confirm coverage directly with the provider.
Walk-ins are uncommon for most gastroenterologists. The "available today" filter shows providers with open same-day slots.
Heallexa refreshes provider data from public NPI records and license databases on a rolling basis. Listings that fall out of the active registry are removed automatically.