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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 166–180 of 200 providers
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Individual (NPI-1) Active

VIGNESH ARASU M.D.

Radiology, Diagnostic Radiology

📍505 PARNASSUS AVE, SAN FRANCISCO, CA, 94143

📞 415-476-8538

NPI: 1740548932

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Individual (NPI-1) Active

MICHAEL A ARATA M.D.

Radiology, Vascular & Interventional Radiology

📍12500 WILLOWBROOK RD, CUMBERLAND, MD, 21502

📞 240-964-1036

NPI: 1922024942

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Individual (NPI-1) Active

NAVID AREFI ARDAKANI MD

Radiology, Diagnostic Radiology

📍3600 MINNESOTA DR STE 800, EDINA, MN, 55435

📞 952-595-1301

NPI: 1669512760

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Individual (NPI-1) Active

RICHARD H ARDILL MD

Radiology, Diagnostic Radiology

📍1155 MILL ST, RENO, NV, 89502

📞 775-982-4160

NPI: 1538165873

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Individual (NPI-1) Active

VICTORIA ASHLEY ARENDT KOSEC MD

Radiology, Diagnostic Radiology

📍1025 MEDICAL CENTER DR, WILMINGTON, NC, 28401

📞 910-762-3882

NPI: 1801385893

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Individual (NPI-1) Active

RONALD L. ARENSON MD

Radiology, Diagnostic Radiology

📍505 PARNASSUS AVE, SAN FRANCISCO, CA, 94143

📞 415-476-1537

NPI: 1063477750

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Individual (NPI-1) Active

JUAN JOSE ARGUELLO MD

Radiology, Diagnostic Radiology

📍MSC10 5530 1 UNIVERSITY OF NEW MEXICO, ALBUQUERQUE, NM, 87131

📞 505-272-4161

NPI: 1104405661

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Individual (NPI-1) Active

VISHTASB ARIAZAND M.D.

Radiology, Diagnostic Radiology

📍1000 W CARSON ST, TORRANCE, CA, 90502

📞 310-222-2345

NPI: 1285922922

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Individual (NPI-1) Active

SWETHA ARIBINDI MD

Radiology, Diagnostic Radiology

📍1200 EL CAMINO REAL, SOUTH SAN FRANCISCO, CA, 94080

📞 650-742-2000

NPI: 1407414485

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Individual (NPI-1) Active

RICHARD CHAD ARIGO M.D.

Radiology, Diagnostic Radiology

📍1516 COTNER AVE, LOS ANGELES, CA, 90025

📞 310-445-2951

NPI: 1144244823

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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

MARIE ARNAL D.O.

Radiology, Diagnostic Radiology

📍1509 WILSON TERRACE, GLENDALE, CA, 91206

📞 818-409-8000

NPI: 1548351000

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Individual (NPI-1) Active

ROLF ARNDT MD

Radiology, Diagnostic Radiology

📍23929 MCBEAN PKWY, VALENCIA, CA, 91355

📞 661-253-8705

NPI: 1508811803

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Individual (NPI-1) Active

JERRY P ARNOLD M.D.

Radiology, Diagnostic Radiology

📍1100 MARSHALL WAY, PLACERVILLE, CA, 95667

📞 530-622-1441

NPI: 1811984859

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Individual (NPI-1) Active

LOKESH ARORA M.D.

Radiology, Diagnostic Radiology

📍31872 SOUTH COAST HIGHWAY, LAGUNA BEACH, CA, 92651

📞 949-499-7195

NPI: 1770538027

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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