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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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Organization (NPI-2) Active

ALPHA GENETICS LLC

Clinical Medical Laboratory

📍2101 W BEVERLY BLVD STE 304, MONTEBELLO, CA, 90640

📞 626-614-9088

NPI: 1831975317

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Organization (NPI-2) Active

ALPHA PSYCHOLOGY, INC

Psychologist, Clinical

📍11440 W BERNARDO CT STE 300, SAN DIEGO, CA, 92127

📞 858-790-8810

NPI: 1780397414

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Organization (NPI-2) Active

ALTA BATES SUMMIT MEDICAL CENTER

General Acute Care Hospital

📍2450 ASHBY AVE, BERKELEY, CA, 94705

📞 510-869-8244

NPI: 1922140771

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Organization (NPI-2) Active

ALTA DIAGNOSTIC LABORATORIES, INC

Clinical Medical Laboratory

📍2212 LINCOLN AVE, ALTADENA, CA, 91001

📞 626-529-5181

NPI: 1063180354

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Organization (NPI-2) Active

ALTA EAST BAY PATHOLOGY, INC.

Clinical Medical Laboratory

📍350 HAWTHORNE AVE, OAKLAND, CA, 94609

📞 510-869-6567

NPI: 1316909559

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Organization (NPI-2) Active

ALTA EAST BAY PATHOLOGY, INC.

Clinical Medical Laboratory

📍3100 SUMMIT ST, OAKLAND, CA, 94609

📞 510-869-6567

NPI: 1578514196

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Organization (NPI-2) Active

ALTERA LABORATORY SERVICES LIMITED LIABILITY COMPANY

Clinical Medical Laboratory

📍16902 MILLIKAN AVE STE B, IRVINE, CA, 92606

📞 951-403-3424

NPI: 1568981124

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Organization (NPI-2) Active

ALTERNATIVE & COMPLEMENTARY MEDICINE, INC.

Clinical Medical Laboratory

📍25431 CABOT RD, LAGUNA HILLS, CA, 92653

📞 949-206-9061

NPI: 1043534134

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Organization (NPI-2) Active

ALTERNATIVE LEGAL AND PSYCHOLOGICAL SERVICES

Psychologist, Clinical

📍1400 SHATTUCK AVE, BERKELEY, CA, 94709

📞 510-868-0686

NPI: 1336477108

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Organization (NPI-2) Active

ALTERNATIVE OPTIONS COUNSELING CENTER, INC.

Clinic/Center, Rehabilitation, Substance Use Disorder

📍17326 EDWARDS RD, CERRITOS, CA, 90703

📞 562-921-5701

NPI: 1689771628

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Organization (NPI-2) Active

ALTERNATIVE SOLUTIONS GROUP LLC

Clinical Medical Laboratory

📍10000 WASHINGTON BLVD FL 6, CULVER CITY, CA, 90232

📞 707-881-7070

NPI: 1003564196

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Organization (NPI-2) Active

ALTHEADX, INC.

Clinical Medical Laboratory

📍3030 BUNKER HILL ST STE 300, SAN DIEGO, CA, 92109

📞 858-224-7200

NPI: 1528490240

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Organization (NPI-2) Active

ALTO SLEEP

Clinical Medical Laboratory

📍305 SOUTH DR STE 4, MOUNTAIN VIEW, CA, 94040

📞 650-967-8787

NPI: 1205010105

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Organization (NPI-2) Active

ALTUS DIRECT HEALTHCARE LLC

Clinical Medical Laboratory

📍3681 FISHINGER BLVD, HILLIARD, OH, 43026

📞 161-479-5937

NPI: 1548803315

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Organization (NPI-2) Active

ALWAYS GLOW PSYCHOLOGY

Psychologist, Clinical

📍2 CORPORATE PLAZA DR STE 150, NEWPORT BEACH, CA, 92660

📞 949-521-3320

NPI: 1568323426

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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