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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 1–15 of 200 providers
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Individual (NPI-1) Active

OLIVER OPPERS AALAMI M.D.

Surgery

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 650-723-4000

NPI: 1225229024

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Individual (NPI-1) Active

SHAHRAM AARABI MD

Surgery

📍1411 E 31ST ST, OAKLAND, CA, 94602

📞 510-921-7481

NPI: 1972700458

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Individual (NPI-1) Active

ARAD ABADI MD

📍615 W AVENUE L, LANCASTER, CA, 93534

📞 883-574-2273

NPI: 1730673724

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Individual (NPI-1) Active

RYAN ABDUL-HAQQ

Student in an Organized Health Care Education/Training Program

📍8700 BEVERLY BLVD, WEST HOLLYWOOD, CA, 90048

📞 310-652-8132

NPI: 1386087864

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Individual (NPI-1) Active

ANDREW ABI-CHAKER M.D.

📍5805 SEPULVEDA BLVD STE 690, SHERMAN OAKS, CA, 91411

📞 818-900-6480

NPI: 1528488467

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Individual (NPI-1) Active

AHMED ABOU-ZAMZAM M.D.

📍11370 ANDERSON ST, LOMA LINDA, CA, 92354

📞 909-558-2822

NPI: 1558306795

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Individual (NPI-1) Active

JOSEPH ABU-DALU MD

📍4733 W SUNSET BLVD, LOS ANGELES, CA, 90027

📞 323-783-4011

NPI: 1821157587

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Individual (NPI-1) Active

QUEEN ABURE MD

📍513 PARNASSUS AVE # S321, SAN FRANCISCO, CA, 94143

📞 415-476-1000

NPI: 1710772074

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Individual (NPI-1) Active

KRANTHI KUMAR ACHANTA M.D

Surgery

📍39141 CIVIC CENTER DR, FREMONT, CA, 94538

📞 510-248-1450

NPI: 1114927241

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Individual (NPI-1) Active

BRIAN J. ACKER M.D.

Surgery

📍2865 ATLANTIC AVE, LONG BEACH, CA, 90806

📞 562-595-4444

NPI: 1003831447

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Individual (NPI-1) Active

RIAD ADOUMIE M.D.

📍23451 MADISON ST, TORRANCE, CA, 90505

📞 310-373-6864

NPI: 1467465930

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Individual (NPI-1) Active

ALAA YOUSSEF AFIFI MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

📍2200 E FRUIT ST, SANTA ANA, CA, 92701

📞 714-973-9903

NPI: 1609802552

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Individual (NPI-1) Active

MASSOUD H. AGAHI M.D.

📍8750 WILSHIRE BLVD, BEVERLY HILLS, CA, 90211

📞 310-657-8237

NPI: 1952367070

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Individual (NPI-1) Active

SIDDHARTH AGARWAL M.D.

Surgery

📍2841 N VENTURA RD, OXNARD, CA, 93036

📞 805-983-6233

NPI: 1407078496

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Individual (NPI-1) Active

RODOLFO VENTURA AGBUNAG MD

Surgery

📍1409 E BRIGGSMORE AVE, MODESTO, CA, 95355

📞 209-550-4788

NPI: 1316995111

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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