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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

ALI ABAIAN M.D.

General Practice

📍8460 S CENTRAL AVE, LOS ANGELES, CA, 90001

📞 323-581-7400

NPI: 1316061674

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Individual (NPI-1) Active

RIAZ M. AHMED M.D.

Internal Medicine, Cardiovascular Disease

📍310 SANTA FE DR, ENCINITAS, CA, 92024

📞 760-633-7275

NPI: 1376593871

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Individual (NPI-1) Active

FIRAS AJAM MD

Internal Medicine, Clinical Cardiac Electrophysiology

📍65 NIELSON ST STE 135, WATSONVILLE, CA, 95076

📞 831-717-4687

NPI: 1134652282

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Individual (NPI-1) Active

RAHMAN AKINLUSI MD

Nuclear Medicine

📍505 PARNASSUS AVE FL 3, SAN FRANCISCO, CA, 94143

📞 415-353-1457

NPI: 1477133635

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Individual (NPI-1) Active

MOHAMMED S AKRAM MD, MHA

Internal Medicine

📍102 W KENWOOD AVE, DECATUR, IL, 62526

📞 217-545-8000

NPI: 1619921806

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Individual (NPI-1) Active

WESAM AWAD ALHEJILY MD

Internal Medicine, Interventional Cardiology

📍16850 BEAR VALLEY RD, VICTORVILLE, CA, 92395

📞 760-241-8000

NPI: 1437412814

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Individual (NPI-1) Active

HARITHA R ALLA M.D.

Internal Medicine, Cardiovascular Disease

📍8330 RED OAK ST STE 101, RANCHO CUCAMONGA, CA, 91730

📞 909-987-4922

NPI: 1487739835

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Individual (NPI-1) Active

DAVID P ALLEGRA MD

Radiology, Vascular & Interventional Radiology

📍2336 SANTA MONICA BLVD, SANTA MONICA, CA, 90404

📞 310-828-7226

NPI: 1679580344

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Individual (NPI-1) Active

MARTIN SEBASTIAN ALLEN-AUERBACH MD

Nuclear Medicine

📍200 UCLA MEDICAL PLZ STE B114, LOS ANGELES, CA, 90095

📞 310-794-1005

NPI: 1750325973

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Individual (NPI-1) Active

FRANKIS ALMAGUEL M.D, Ph.D.

Specialist

📍175 N PLYMOUTH WAY, SAN BERNARDINO, CA, 92408

📞 909-648-2037

NPI: 1427433762

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Individual (NPI-1) Active

FABIO ALMEIDA M.D.

Nuclear Medicine, Nuclear Imaging & Therapy

📍2241 DOUGLAS BLVD, ROSEVILLE, CA, 95661

📞 916-783-8900

NPI: 1881691004

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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

EUGENIO GOTARD AMPARO MD

Radiologic Technologist, Cardiovascular-Interventional Technology

📍500 UNIVERSITY AVE, SACRAMENTO, CA, 95825

📞 916-830-2000

NPI: 1497946115

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Individual (NPI-1) Active

STEPHEN PAUL ARLES M.D.

Radiology, Diagnostic Radiology

📍34800 BOB WILSON DR, SAN DIEGO, CA, 92134

📞 619-532-8775

NPI: 1811976673

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Individual (NPI-1) Active

NELSON BARRITT ARNSTEIN MD

Nuclear Medicine

📍9400 ROSECRANS AVE, BELLFLOWER, CA, 90706

📞 562-461-3000

NPI: 1629145529

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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