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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

EVAN DALE ABEL MD

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍1245 16TH ST, SANTA MONICA, CA, 90404

📞 310-899-7633

NPI: 1619067238

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Individual (NPI-1) Active

ANITA ABRAHAM M.D.

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍2545 W HAMMER LN, STOCKTON, CA, 95209

📞 209-943-2041

NPI: 1558380337

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Individual (NPI-1) Active

SALLIE O ADAMS M.D.

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍3100 DOUGLAS BLVD, ROSEVILLE, CA, 95661

📞 916-774-8885

NPI: 1255342085

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Individual (NPI-1) Active

ANANTA ADDALA

Pediatrics, Pediatric Endocrinology

📍725 WELCH RD, PALO ALTO, CA, 94304

📞 650-497-8000

NPI: 1740669563

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Individual (NPI-1) Active

HELEN MIRIAM ADELBERG M.D.

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍16821 OAK VIEW DR, ENCINO, CA, 91436

📞 818-784-1141

NPI: 1093935447

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Individual (NPI-1) Active

YEWANDE ADEPOJU DO

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍2450 ORO DAM BLVD E, OROVILLE, CA, 95966

📞 530-990-7430

NPI: 1467892984

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Individual (NPI-1) Active

DAVID E. AFTERGOOD MD

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍99 N LA CIENEGA BLVD, BEVERLY HILLS, CA, 90211

📞 310-659-8824

NPI: 1639259328

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Individual (NPI-1) Active

NIDHI AGARWAL MD

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍2841 LOMITA BLVD STE 320, TORRANCE, CA, 90505

📞 310-517-8952

NPI: 1518387125

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Individual (NPI-1) Active

BAHAR AGHIGHI MD

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍2025 SOQUEL AVE, SANTA CRUZ, CA, 95062

📞 831-459-6603

NPI: 1770562134

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Individual (NPI-1) Active

TYLER FRANCIS AGUINALDO MD

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍1501 TROUSDALE DR FL 3, BURLINGAME, CA, 94010

📞 650-652-8580

NPI: 1306811906

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Individual (NPI-1) Active

SUSAN COX AHERN D.O.

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍6633 TELEPHONE RD STE 212, VENTURA, CA, 93003

📞 805-644-9121

NPI: 1508156597

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Individual (NPI-1) Active

SCOTT GERALD AHL D.O.

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍19582 BEACH BLVD, HUNTINGTON BEACH, CA, 92648

📞 949-791-3205

NPI: 1558674523

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Individual (NPI-1) Active

SHEILA AHMADI MD

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍200 MEDICAL PLAZA, LOS ANGELES, CA, 90095

📞 310-825-7922

NPI: 1194800094

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Individual (NPI-1) Active

SARA HUSSAIN AHMED

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍1211 W LA PALMA AVE STE 702, ANAHEIM, CA, 92801

📞 714-533-0300

NPI: 1609295468

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Individual (NPI-1) Active

DAVID TAEHYUNG AHN MD

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍520 SUPERIOR AVE STE 150, NEWPORT BEACH, CA, 92663

📞 949-764-7366

NPI: 1184949570

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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