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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 61–75 of 200 providers
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Organization (NPI-2) Active

ANTELOPE VALLEY NEUROSCIENCE

Psychiatry & Neurology, Neurology

📍42135 10TH ST W, LANCASTER, CA, 93534

📞 661-945-6931

NPI: 1114912979

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Organization (NPI-2) Active

ANTOINE J ELHAJJAR M.D., INC.

Clinic/Center, Sleep Disorder Diagnostic

📍46100 WASHINGTON ST, LA QUINTA, CA, 92253

📞 760-340-0528

NPI: 1790806370

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Organization (NPI-2) Active

ANTONIA C. CHALMERS, M.D., INC.

Psychiatry & Neurology, Neurology

📍2323 16TH ST, BAKERSFIELD, CA, 93301

📞 661-322-0400

NPI: 1558552117

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Organization (NPI-2) Active

ANTONIO LIU MD APC

Psychiatry & Neurology, Neurology

📍1415 PASQUALITO DR, SAN MARINO, CA, 91108

📞 626-684-2155

NPI: 1831905132

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Organization (NPI-2) Active

APEX DIAGNOSTIC SERVICES, INC.

Radiology, Diagnostic Ultrasound

📍14600 GOLDENWEST ST, WESTMINSTER, CA, 92683

📞 714-379-5100

NPI: 1487943007

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Organization (NPI-2) Active

APEX INTEGRATIVE NEUROLOGY WITH DIAGNOSTICS

Psychiatry & Neurology, Neurology

📍24953 PASEO DE VALENCIA STE 12B, LAGUNA HILLS, CA, 92653

📞 949-446-6995

NPI: 1235072851

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Organization (NPI-2) Active

ARBI OHANIAN, MD, INC.

Psychiatry & Neurology, Neurology

📍625 S FAIR OAKS AVE, PASADENA, CA, 91105

📞 626-535-9344

NPI: 1700180213

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Organization (NPI-2) Active

ARGUS NEUROLOGY CORPORATION

Psychiatry & Neurology, Neurology

📍6925 FAIRVIEW DR, EL CERRITO, CA, 94530

📞 510-334-1482

NPI: 1558795021

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Organization (NPI-2) Active

ARNOLD GREENBERG MD INC

Psychiatry & Neurology, Neurology

📍5810 JAMESON CT, CARMICHAEL, CA, 95608

📞 916-979-0621

NPI: 1700977188

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Organization (NPI-2) Active

ARNOLD GREENBERG MEDICAL CORPORATION

Psychiatry & Neurology, Neurology

📍2299 POST ST, SAN FRANCISCO, CA, 94115

📞 415-346-7505

NPI: 1578589941

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Organization (NPI-2) Active

ARROWBACK MEDICAL GROUP

Psychiatry & Neurology, Neurology

📍900 E WASHINGTON ST, COLTON, CA, 92324

📞 909-433-3200

NPI: 1952407009

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Organization (NPI-2) Active

ASHIMAHUJAMD

Psychiatry & Neurology, Neurology

📍960 E GREEN ST STE 310, PASADENA, CA, 91106

📞 626-250-2070

NPI: 1730017443

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Organization (NPI-2) Active

ASPIRE HOLDINGS, INC

Psychiatry & Neurology, Neurology

📍28212 KELLY JOHNSON PKWY STE 215, VALENCIA, CA, 91355

📞 310-314-8250

NPI: 1609415314

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Organization (NPI-2) Active

ASSOCIATED NEUROLOGY MEDICAL GROUP, INC.

Psychiatry & Neurology, Neurology

📍365 HAWTHORNE AVE, OAKLAND, CA, 94609

📞 510-834-5778

NPI: 1922205442

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Organization (NPI-2) Active

ASSOCIATION OF PROFESSIONAL MEDICAL CENTERS INC

Psychiatry & Neurology, Neurology

📍5344 W PROSPECT CT, VISALIA, CA, 93291

📞 559-625-1691

NPI: 1831499573

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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