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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 106–120 of 200 providers
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Individual (NPI-1) Active

ABDI ALTAFI MD

Internal Medicine, Cardiovascular Disease

📍175 N JACKSON AVE, SAN JOSE, CA, 95116

📞 408-923-3088

NPI: 1578688214

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Individual (NPI-1) Active

WILLIAM J ALTON M.D.

Internal Medicine, Cardiovascular Disease

📍2400 BATH ST, SANTA BARBARA, CA, 93105

📞 805-682-7707

NPI: 1255384343

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Individual (NPI-1) Active

AHMAD M. ALTURJUMAN M.D., F.A.C.C.

Internal Medicine, Interventional Cardiology

📍6780 INDIANA AVE STE 170, RIVERSIDE, CA, 92506

📞 951-680-0909

NPI: 1114980703

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Individual (NPI-1) Active

JUAN CARLOS ALVERGUE M.D.

Internal Medicine, Cardiovascular Disease

📍400 CRAVEN RD, SAN MARCOS, CA, 92078

📞 310-696-9971

NPI: 1346351517

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Individual (NPI-1) Active

EDRIS AMAN M.D.

Internal Medicine, Cardiovascular Disease

📍4860 Y ST STE 200, SACRAMENTO, CA, 95817

📞 916-816-8967

NPI: 1437448511

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Individual (NPI-1) Active

FARIBA AMANI MD

Internal Medicine, Cardiovascular Disease

📍777 E HAWKEYE AVE, TURLOCK, CA, 95380

📞 209-575-4575

NPI: 1265656417

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Individual (NPI-1) Active

ADITYA AMBEGAONKAR MD

Internal Medicine, Cardiovascular Disease

📍4760 W SUNSET BLVD, LOS ANGELES, CA, 90027

📞 323-783-4011

NPI: 1922167667

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Individual (NPI-1) Active

JOHN A AMBROSE MD

Internal Medicine, Cardiovascular Disease

📍2335 E KASHIAN LN STE 240, FRESNO, CA, 93701

📞 559-320-0545

NPI: 1598795429

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Individual (NPI-1) Active

ALAN S. AMENT MD

Internal Medicine, Cardiovascular Disease

📍99 MONTECILLO RD, SAN RAFAEL, CA, 94903

📞 415-444-2000

NPI: 1871671354

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Individual (NPI-1) Active

OMID AMIDI MD

Internal Medicine, Cardiovascular Disease

📍2625 W ALAMEDA AVE STE 102, BURBANK, CA, 91505

📞 818-843-9032

NPI: 1164950689

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Individual (NPI-1) Active

JATIN N. AMIN MD

Internal Medicine, Cardiovascular Disease

📍3770 ELIZABETH ST, RIVERSIDE, CA, 92506

📞 951-352-3937

NPI: 1720021397

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Individual (NPI-1) Active

MOHAMMD REZA AMINI M.D.

Internal Medicine, Cardiovascular Disease

📍11234 ANDERSON ST, LOMA LINDA, CA, 92354

📞 909-558-4200

NPI: 1982899704

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Individual (NPI-1) Active

ALI AMMAR MD

Internal Medicine

📍2418 LOMITA BLVD STE E, LOMITA, CA, 90717

📞 310-622-4995

NPI: 1720498645

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Individual (NPI-1) Active

EZRA A AMSTERDAM M.D.

Internal Medicine, Cardiovascular Disease

📍4860 Y ST, SACRAMENTO, CA, 95817

📞 916-724-3764

NPI: 1609857077

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Individual (NPI-1) Active

BENEDICT PM ANCOCK M.D.

Internal Medicine, Cardiovascular Disease

📍2 BON AIR RD STE 100, LARKSPUR, CA, 94939

📞 415-927-0666

NPI: 1578847844

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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