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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 151–165 of 200 providers
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Individual (NPI-1) Active

LISA DANIELLE ADLER MD

Psychiatry & Neurology, Psychiatry

📍200 W ARBOR DR, SAN DIEGO, CA, 92103

📞 800-926-8273

NPI: 1891115606

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Individual (NPI-1) Active

MARGARET MOSCATO ADLER MD

Psychiatry & Neurology, Neurology

📍1801 WILSHIRE BLVD, SANTA MONICA, CA, 90403

📞 310-319-5098

NPI: 1457518276

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Individual (NPI-1) Active

MARJORIE E. ADLER MD

Psychiatry & Neurology, Psychiatry

📍14659 OLIVE VIEW DR, SYLMAR, CA, 91342

📞 818-485-0888

NPI: 1962550954

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Individual (NPI-1) Active

SHELBY ADLER

Psychiatry & Neurology, Psychiatry

📍2051 MARENGO ST, LOS ANGELES, CA, 90033

📞 323-409-1000

NPI: 1407432263

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Organization (NPI-2) Active

ADONIS SFERA MD

Psychiatry & Neurology, Psychiatry

📍3400 W BALL ROAD, ANAHEIM, CA, 92804

📞 714-484-4900

NPI: 1467558502

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Organization (NPI-2) Active

ADORE WELLNESS INC.

Psychiatry & Neurology, Psychiatry

📍5214F DIAMOND HEIGHTS BLVD, SAN FRANCISCO, CA, 94131

📞 415-625-3538

NPI: 1386578938

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Individual (NPI-1) Active

BRUCE T ADORNATO M.D.

Psychiatry & Neurology, Neurology

📍1101 WELCH RD, PALO ALTO, CA, 94304

📞 650-324-4300

NPI: 1366514341

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Organization (NPI-2) Active

ADR WELLNESS A PROFESSIONAL PSYCHOLOGY CORPORATION

Psychiatry & Neurology, Psychiatry

📍785 GRAND AVE STE 101, CARLSBAD, CA, 92008

📞 760-793-8063

NPI: 1073028742

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Individual (NPI-1) Active

JENNIFER ANN ADRISSI MD

Psychiatry & Neurology, Neurology

📍300 UCLA MEDICAL PLZ # B200, LOS ANGELES, CA, 90095

📞 310-794-1195

NPI: 1851782783

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Individual (NPI-1) Active

DOROTHY OYE ADU-AMANKWAH MD

Psychiatry & Neurology, Psychiatry

📍401 QUARRY RD, PALO ALTO, CA, 94304

📞 650-725-5591

NPI: 1932900313

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Organization (NPI-2) Active

ADULT & CHILD NEUROLOGY MEDICAL ASSOCIATES INC.

Psychiatry & Neurology, Neurology

📍2880 ATLANTIC AVE, LONG BEACH, CA, 90806

📞 562-490-3580

NPI: 1013959402

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Organization (NPI-2) Active

ADULT NEUROLOGY SPECIALISTS INC

Psychiatry & Neurology, Neurology

📍729 SUNRISE AVE STE 616, ROSEVILLE, CA, 95661

📞 954-732-1211

NPI: 1336749100

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Individual (NPI-1) Active

MICHAEL KOFI ADUSEI M.D.

Psychiatry & Neurology, Addiction Psychiatry

📍30 SHELBURNE RD, STAMFORD, CT, 06902

📞 203-276-1000

NPI: 1043560287

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Organization (NPI-2) Active

ADVANCED & NEURO-INTERVENTIONAL PSYCHIATRY INC

Psychiatry & Neurology, Psychiatry

📍201 HARTNELL AVE, REDDING, CA, 96002

📞 530-212-0073

NPI: 1811728405

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Organization (NPI-2) Active

ADVANCED DIAGNOSTICS

Psychiatry & Neurology, Neurology

📍3500 OVERLAND AVE, LOS ANGELES, CA, 90034

📞 323-854-4454

NPI: 1235425307

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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