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Healthcare Providers in California

Find doctors, hospitals, and clinics in California from the official NPPES NPI Registry. We found 200 providers in this listing.

200 Providers Found Data from NPPES NPI Registry Updated 2026
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All Providers Doctors Hospitals & Clinics
Showing 166–180 of 200 providers
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Organization (NPI-2) Active

ARETE GASTROENTEROLOGY SPECIALISTS INC

Internal Medicine, Gastroenterology

📍8700 BEVERLY BLVD, WEST HOLLYWOOD, CA, 90048

📞 213-510-2500

NPI: 1336976711

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Individual (NPI-1) Active

ERICK ARGUETA MD

Internal Medicine, Gastroenterology

📍18035 BROOKHURST ST STE 2100, FOUNTAIN VALLEY, CA, 92708

📞 657-241-9090

NPI: 1083144638

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Organization (NPI-2) Active

ARIEL MALAMUD, A MEDICAL CORPORATION

Internal Medicine, Gastroenterology

📍1513 S GRAND AVE, LOS ANGELES, CA, 90015

📞 213-440-2040

NPI: 1366694747

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Individual (NPI-1) Active

RAZI M ARIFUDDIN MD

Internal Medicine, Gastroenterology

📍500 DOYLE PARK DR, SANTA ROSA, CA, 95405

📞 707-303-8360

NPI: 1124085410

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Individual (NPI-1) Active

CALIN S ARIMIE MD

Internal Medicine, Gastroenterology

📍7320 WOODLAKE AVE, WEST HILLS, CA, 91307

📞 818-593-2164

NPI: 1831277847

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Individual (NPI-1) Active

SHRUTI MAHINDRAKAR ARIZA MD

Internal Medicine, Gastroenterology

📍1140 W LA VETA AVE, ORANGE, CA, 92868

📞 714-835-5100

NPI: 1962657023

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Individual (NPI-1) Active

RUSS RAJ ARJAL MD

Internal Medicine, Gastroenterology

📍134 PUUHONU WAY, HILO, HI, 96720

📞 808-969-3979

NPI: 1821144403

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Organization (NPI-2) Active

ARMINE SARKISIAN,M.D.INC

Internal Medicine, Gastroenterology

📍800 S CENTRAL AVE, GLENDALE, CA, 91204

📞 818-507-0006

NPI: 1902057466

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Individual (NPI-1) Active

CRAIG A ARONCHICK MD

Internal Medicine, Gastroenterology

📍234 HOSPITAL DR, UKIAH, CA, 95482

📞 707-463-7356

NPI: 1710071774

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Individual (NPI-1) Active

SARTAJ M ARORA MD

Internal Medicine, Gastroenterology

📍1135 S SUNSET AVE, WEST COVINA, CA, 91790

📞 626-960-2326

NPI: 1841258340

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Individual (NPI-1) Active

AHILAN ARULANANDAN MD

Internal Medicine, Gastroenterology

📍12291 WASHINGTON BLVD STE 201, WHITTIER, CA, 90606

📞 562-698-0306

NPI: 1992148266

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Individual (NPI-1) Active

MEHRDAD ASGERI MD

Internal Medicine, Gastroenterology

📍1100 N PALM CANYON DR STE 214, PALM SPRINGS, CA, 92262

📞 440-454-2770

NPI: 1063453868

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Individual (NPI-1) Active

KEVIN H ASHBY M.D.

Internal Medicine, Gastroenterology

📍1010 THREE SPRINGS BLVD STE 270, DURANGO, CO, 81301

📞 970-764-3800

NPI: 1245209907

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Individual (NPI-1) Active

ASHRAF ASHHAB MD

Internal Medicine, Gastroenterology

📍328 S 1ST ST STE F, ALHAMBRA, CA, 91801

📞 626-284-1997

NPI: 1235581604

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Organization (NPI-2) Active

ASHOK AMIN M D INC

Internal Medicine, Gastroenterology

📍1711 W ROMNEYA DR, ANAHEIM, CA, 92801

📞 714-484-1200

NPI: 1740443845

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🗺 Cities in California

📍 Los Angeles 📍 San Diego 📍 San Jose 📍 San Francisco 📍 Fresno 📍 Sacramento 📍 Long Beach 📍 Oakland 📍 Bakersfield 📍 Anaheim 📍 Stockton 📍 Riverside 📍 Santa Ana 📍 Irvine 📍 Chula Vista 📍 Fremont 📍 San Bernardino 📍 Modesto 📍 Moreno Valley 📍 Huntington Beach

📊 Quick Stats

Providers Listed 200
Cities Found 20
State California
Source NPPES NPI Registry

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Healthcare in California

California operates the largest state healthcare system in the United States, serving nearly 40 million residents across a diverse landscape of urban megacities, agricultural valleys, and remote mountain communities. The state is home to world-renowned medical institutions including UCSF Medical Center, Cedars-Sinai Medical Center, Stanford Health Care, UCLA Health, and the Scripps Health system in San Diego. These institutions consistently rank among the nation's best for cancer care, neurology, cardiology, and transplant medicine.

California's Medi-Cal program is the largest Medicaid program in the country, covering over 14 million low-income Californians. The state has been a national leader in expanding coverage, and recent reforms have extended Medi-Cal eligibility to all income-eligible adults regardless of immigration status. The Covered California marketplace (coveredca.gov) offers subsidized private insurance plans for those who do not qualify for Medi-Cal.

Despite its healthcare wealth, California faces significant disparities in access. Rural counties in the Central Valley and Northern California have severe physician shortages, and many communities lack specialists entirely. The California Department of Health Care Services (DHCS) (dhcs.ca.gov) oversees Medi-Cal and public health programs, while the California Medical Board (mbc.ca.gov) licenses and disciplines physicians.

California has been a pioneer in telehealth legislation, requiring insurers to cover telehealth services at parity with in-person visits, significantly improving access for rural and underserved populations.

Frequently Asked Questions — California Healthcare