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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 136–150 of 200 providers
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Individual (NPI-1) Active

RAMSEY AL-HAKIM MD

Radiology, Vascular & Interventional Radiology

📍3181 SW SAM JACKSON PARK RD # L605, PORTLAND, OR, 97239

📞 503-494-7660

NPI: 1700175874

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Individual (NPI-1) Active

QUAZI ZUBAIR AL-TARIQ M.D.

Radiology, Diagnostic Radiology

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 650-723-4000

NPI: 1003059395

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Individual (NPI-1) Active

MARAM MOHAMMED ALAFIF

Radiology, Diagnostic Radiology

📍489 STATE ST, BANGOR, ME, 04401

📞 207-973-7000

NPI: 1841843950

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Individual (NPI-1) Active

RAVI ALAGAPPAN MD

Radiology, Diagnostic Radiology

📍2242 CAMINO RAMON STE 100, SAN RAMON, CA, 94583

📞 925-327-0015

NPI: 1063467355

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Organization (NPI-2) Active

ALAMEDA HEALTH SYSTEM

Radiology, Diagnostic Radiology

📍1411 E 31ST ST, OAKLAND, CA, 94602

📞 510-437-4800

NPI: 1659423846

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Organization (NPI-2) Active

ALAMEDA IMAGING MEDICAL GROUP, INC.

Radiology, Diagnostic Radiology

📍2070 CLINTON AVE, ALAMEDA, CA, 94501

📞 510-522-4146

NPI: 1265453773

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Individual (NPI-1) Active

LOURDES ALANIS

Radiology, Diagnostic Radiology

📍757 WESTWOOD PLZ STE 1638, LOS ANGELES, CA, 90095

📞 310-267-8796

NPI: 1699118281

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Individual (NPI-1) Active

SHERI LENEE ALBERS DO

Radiology, Diagnostic Radiology

📍5501 OLD YORK RD STE 1, PHILADELPHIA, PA, 19141

📞 215-456-7890

NPI: 1780621615

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Organization (NPI-2) Active

ALBERT C MAK MD INC

📍707 S GARFIELD AVE, ALHAMBRA, CA, 91801

📞 805-577-8730

NPI: 1669651618

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Individual (NPI-1) Active

RICHARD ALBERTS MD

Radiology, Diagnostic Radiology

📍26 9TH ST, HERMOSA BEACH, CA, 90254

📞 310-691-3103

NPI: 1720061211

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Individual (NPI-1) Active

KENNETH W ALBERTSON M.D.

📍845 ARMADA TER, SAN DIEGO, CA, 92106

📞 619-223-6037

NPI: 1497059976

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Individual (NPI-1) Active

JOSHUA RAYMOND ALBREKTSON MD

Radiology, Diagnostic Radiology

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

📞 952-595-1301

NPI: 1104155258

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Organization (NPI-2) Active

ALERRA, LLC

Portable X-Ray and/or Other Portable Diagnostic Imaging Supplier

📍32244 PASEO ADELANTO STE B, SAN JUAN CAPISTRANO, CA, 92675

📞 323-559-9683

NPI: 1780165662

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Organization (NPI-2) Active

ALERT MOBILE DIAGNOSTICS

Radiology, Diagnostic Radiology

📍31945 COAST HWY, LAGUNA BEACH, CA, 92651

📞 702-308-2453

NPI: 1013490846

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Individual (NPI-1) Active

ALAN A ALEXANDER MD

Radiology, Diagnostic Radiology

📍757 WESTWOOD PLZ, LOS ANGELES, CA, 90095

📞 310-301-6800

NPI: 1518126341

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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