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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 91–105 of 200 providers
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Individual (NPI-1) Active

AMMAR ALNASER M.D.

Internal Medicine, Nephrology

📍11550 INDIAN HILLS RD STE 371, MISSION HILLS, CA, 91345

📞 818-365-1194

NPI: 1073909370

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Individual (NPI-1) Active

MUNA ALNIMRI MD

Internal Medicine, Nephrology

📍2315 STOCKTON BLVD, SACRAMENTO, CA, 95817

📞 415-690-6812

NPI: 1407993264

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Individual (NPI-1) Active

JAFAR ALSAID MD

Internal Medicine, Nephrology

📍1514 JEFFERSON HWY, NEW ORLEANS, LA, 70121

📞 504-842-3930

NPI: 1073137733

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Individual (NPI-1) Active

MOHAMED ALSEIARI M.D.

Internal Medicine, Nephrology

📍533 PARNASSUS AVENUE, SAN FRANSISCO, CA, 94143

📞 415-476-1812

NPI: 1528370228

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Individual (NPI-1) Active

MOHAMAD ALTRIKI MD

Internal Medicine, Nephrology

📍31537 RANCHO PUEBLO RD STE 201, TEMECULA, CA, 92592

📞 951-687-7140

NPI: 1619061736

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Individual (NPI-1) Active

ANTHONY ALVARADO MD

Internal Medicine, Nephrology

📍2025 MORSE AVE, SACRAMENTO, CA, 95825

📞 916-973-5230

NPI: 1497906374

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Individual (NPI-1) Active

PATRICIA M ALVARADO M.D.

Internal Medicine, Nephrology

📍3114 W BEVERLY BLVD, MONTEBELLO, CA, 90640

📞 323-726-3868

NPI: 1396772844

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Individual (NPI-1) Active

LUIS ALVAREZ MD

Internal Medicine, Nephrology

📍795 EL CAMINO REAL, PALO ALTO, CA, 94301

📞 650-328-8385

NPI: 1487685368

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Individual (NPI-1) Active

FLORCITA ALVAREZ-GALOOSIAN MD

Internal Medicine, Nephrology

📍43322 GINGHAM AVE, LANCASTER, CA, 93535

📞 661-874-4050

NPI: 1225134885

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Individual (NPI-1) Active

JAMSHID AMANZADEH MD

Internal Medicine, Nephrology

📍2100 WEBSTER ST STE 405, SAN FRANCISCO, CA, 94115

📞 415-923-3456

NPI: 1629170428

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Individual (NPI-1) Active

THOMAS FRANK AMATO M.D.

Internal Medicine, Nephrology

📍1210 INDIANA CT, REDLANDS, CA, 92374

📞 909-793-7500

NPI: 1821102294

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Individual (NPI-1) Active

WILLIAM J. AMEND M.D.

Internal Medicine

📍505 PARNASSUS AVE, SAN FRANCISCO, CA, 94143

📞 415-476-3496

NPI: 1528002557

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Organization (NPI-2) Active

AMISTAD MULTI SPECIALTY MEDICAL GROUP INC.

Internal Medicine, Cardiovascular Disease

📍201 S BROADWAY, SANTA ANA, CA, 92701

📞 714-571-4941

NPI: 1912556721

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Organization (NPI-2) Active

AMITY MEDICAL GROUP, INC.

Hospitalist

📍2080 CENTURY PARK E STE 608, LOS ANGELES, CA, 90067

📞 310-801-8333

NPI: 1164972345

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Organization (NPI-2) Active

AN MEDICAL CENTER

Internal Medicine, Nephrology

📍8102 WESTMINSTER BLVD STE E, WESTMINSTER, CA, 92683

📞 714-808-3080

NPI: 1891667721

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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