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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 181–195 of 200 providers
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Individual (NPI-1) Active

VERONICA ANN ARTEAGA M.D.

Radiology, Diagnostic Radiology

📍12902 USF MAGNOLIA DR, TAMPA, FL, 33612

📞 813-745-7365

NPI: 1043347578

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Individual (NPI-1) Active

DIANA J. ARTENIAN MD

Radiology, Diagnostic Radiology

📍1867 E FIR AVE, FRESNO, CA, 93720

📞 559-325-5800

NPI: 1235217043

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Individual (NPI-1) Active

BARUN ARYAL M.D.

Radiology, Diagnostic Radiology

📍3001 S HANOVER ST, BALTIMORE, MD, 21225

📞 410-350-3565

NPI: 1003201450

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Individual (NPI-1) Active

MARIET ASADOORIAN MD

Radiology, Diagnostic Radiology

📍1500 SAN PABLO ST FL 2, LOS ANGELES, CA, 90033

📞 323-442-8541

NPI: 1932545258

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Individual (NPI-1) Active

LORRAINE MARJORIE ASH D.O.

Radiology, Diagnostic Radiology

📍9602 STOCKDALE HWY, BAKERSFIELD, CA, 93311

📞 661-633-5000

NPI: 1447223169

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Individual (NPI-1) Active

REGAN ASHER M.D.

Radiology, Vascular & Interventional Radiology

📍1640 E ROSEVILLE PKWY, ROSEVILLE, CA, 95661

📞 916-784-2277

NPI: 1093712143

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Individual (NPI-1) Active

ARIA ASHIR MD

Radiology, Diagnostic Radiology

📍200 W ARBOR DR, SAN DIEGO, CA, 92103

📞 800-926-8273

NPI: 1154958924

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Individual (NPI-1) Active

MARK ASHKAN M.D.

Radiology, Diagnostic Radiology

📍25825 VERMONT AVE, HARBOR CITY, CA, 90710

📞 510-717-4999

NPI: 1336375021

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Individual (NPI-1) Active

WILLIAM ASHLEY MD

Radiology, Diagnostic Radiology

📍345 S HALCYON RD, ARROYO GRANDE, CA, 93420

📞 805-473-7676

NPI: 1902942543

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Individual (NPI-1) Active

ALWALID KHALIFA ASHMEIK MD

Radiology, Diagnostic Radiology

📍757 WESTWOOD PLZ, LOS ANGELES, CA, 90095

📞 310-301-6800

NPI: 1225667835

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Individual (NPI-1) Active

SAMMY MOHAMED ASHOURI M.D.

Radiology, Diagnostic Radiology

📍300 PASTEUR DR RM H1330, STANFORD, CA, 94305

📞 650-725-1812

NPI: 1871906396

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Individual (NPI-1) Active

EZELL ASKEW MD

Pain Medicine, Interventional Pain Medicine

📍801 S FAIRMONT AVE, LODI, CA, 95240

📞 209-603-9217

NPI: 1699760769

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Individual (NPI-1) Active

RIZWAN ASLAM M.D.

Radiology, Diagnostic Radiology

📍1515 HOLCOMBE BLVD, HOUSTON, TX, 77030

📞 713-792-6161

NPI: 1811916885

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Individual (NPI-1) Active

GHADA M ASSASSA-SOLH M.D

Radiology, Diagnostic Radiology

📍210 W SAN BERNARDINO RD, COVINA, CA, 91723

📞 626-915-6281

NPI: 1457313017

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Individual (NPI-1) Active

RONALD ASTO

Radiology, Diagnostic Radiology

📍3350 LA JOLLA VILLAGE DR, SAN DIEGO, CA, 92161

📞 858-552-8585

NPI: 1518804954

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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