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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 136–150 of 200 providers
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Organization (NPI-2) Active

ANCHOR MEDICAL GROUP

Family Medicine

📍18200 YORBA LINDA BLVD STE 250, YORBA LINDA, CA, 92886

📞 714-577-6000

NPI: 1700678810

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Individual (NPI-1) Active

DANIEL STONEWALL ANDERSON MD

Internal Medicine, Gastroenterology

📍4647 ZION AVE, SAN DIEGO, CA, 92120

📞 619-528-6550

NPI: 1932286549

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Individual (NPI-1) Active

FRANK L ANDERSON MD

Internal Medicine, Gastroenterology

📍34 MARK WEST SPRINGS RD FL 2, SANTA ROSA, CA, 95403

📞 707-541-7900

NPI: 1487691192

👨‍⚕️
Individual (NPI-1) Active

JOSHUA MCKEE ANDERSON M.D.

Internal Medicine, Gastroenterology

📍4601 DALE RD, MODESTO, CA, 95356

📞 209-735-7200

NPI: 1013294768

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Organization (NPI-2) Active

ANDREA TIENG, MD INC

Internal Medicine, Gastroenterology

📍8283 GROVE AVE STE 206, RANCHO CUCAMONGA, CA, 91730

📞 909-255-7200

NPI: 1013276575

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Organization (NPI-2) Active

ANDREW B LIPTON MD A PROFESSIONAL CORPORATION

Internal Medicine, Gastroenterology

📍2204 GRANT RD, MOUNTAIN VIEW, CA, 94040

📞 650-964-7700

NPI: 1588814313

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Individual (NPI-1) Active

VARUN TEJA ANGAJALA MD

Internal Medicine, Gastroenterology

📍3300 MAIN ST, SPRINGFIELD, MA, 01107

📞 413-794-7364

NPI: 1962030940

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Individual (NPI-1) Active

DEBORAH ANGHESOM-NEGUSSE MD

Internal Medicine, Gastroenterology

📍8221 ROCHESTER AVE STE 130, RANCHO CUCAMONGA, CA, 91730

📞 909-360-1111

NPI: 1780862169

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Organization (NPI-2) Active

ANGIZEH SADEGHI MD INC

Internal Medicine, Gastroenterology

📍17 CORPORATE PLAZA DR STE 110, NEWPORT BEACH, CA, 92660

📞 949-404-4444

NPI: 1770958845

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Organization (NPI-2) Active

ANH T. DUONG, M.D., A PROFESSIONAL CORP

Internal Medicine, Gastroenterology

📍35900 BOB HOPE DR, RANCHO MIRAGE, CA, 92270

📞 760-321-2500

NPI: 1376574012

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Organization (NPI-2) Active

ANIL MOHIN MD, FACC A PROFESSIONAL MEDICAL CORPORATION

Internal Medicine, Cardiovascular Disease

📍745 SOUTH ALVARADO STREET, LOS ANGELES, CA, 90057

📞 213-252-2225

NPI: 1093767105

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Individual (NPI-1) Active

DAVID ANJELLY M.D.

Internal Medicine, Gastroenterology

📍1595 SOQUEL DR STE 350, SANTA CRUZ, CA, 95065

📞 831-430-7130

NPI: 1629338603

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Organization (NPI-2) Active

ANNE THAI MD, A PROFESSIONAL CORPORATION

Internal Medicine, Gastroenterology

📍1720 EL CAMINO REAL, BURLINGAME, CA, 94010

📞 650-685-6105

NPI: 1164763231

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Organization (NPI-2) Active

ANNIE SHU & MICHAEL CHU

Internal Medicine

📍632 W DUARTE RD STE 170, ARCADIA, CA, 91007

📞 626-445-1278

NPI: 1740454735

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Individual (NPI-1) Active

GARY MORTON ANNUNZIATA d.o.

Internal Medicine, Gastroenterology

📍35900 BOB HOPE DR, RANCHO MIRAGE, CA, 92270

📞 760-321-2500

NPI: 1861447302

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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