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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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Individual (NPI-1) Active

ROSA AHN-HORST MD MPH

Psychiatry & Neurology, Psychiatry

📍401 QUARRY RD, PALO ALTO, CA, 94304

📞 650-723-5511

NPI: 1649822420

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Individual (NPI-1) Active

DANIEL AHOUBIM M.D.

Psychiatry & Neurology, Neurology

📍18370 BURBANK BLVD STE 414, TARZANA, CA, 91356

📞 818-877-7715

NPI: 1740415686

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Individual (NPI-1) Active

NUSRAT AHSAN M.D

Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology

📍4650 W SUNSET BLVD, LOS ANGELES, CA, 90027

📞 323-361-2471

NPI: 1831392885

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Individual (NPI-1) Active

AAKASH M AHUJA MD

Psychiatry & Neurology, Psychiatry

📍701 PARK AVE, MINNEAPOLIS, MN, 55415

📞 612-873-3161

NPI: 1619039278

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Individual (NPI-1) Active

AMIR AHUJA M.D.

Psychiatry & Neurology, Psychiatry

📍1625 SCHRADER BLVD, LOS ANGELES, CA, 90028

📞 323-993-7454

NPI: 1992006837

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Individual (NPI-1) Active

ASHIM AHUJA MD

Psychiatry & Neurology, Neurology

📍1520 SAN PABLO ST STE 3000, LOS ANGELES, CA, 90033

📞 323-442-5710

NPI: 1972063329

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Individual (NPI-1) Active

RENO KUMARI AHUJA MD

Psychiatry & Neurology, Psychiatry

📍4230 LINCOLNSHIRE DR STE A, MOUNT VERNON, IL, 62864

📞 618-315-6466

NPI: 1619107968

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Individual (NPI-1) Active

ABDELLATIF A. AICHOURI M.D., Ph.D

Psychiatry & Neurology, Psychiatry

📍3220 S HIGUERA ST, SAN LUIS OBISPO, CA, 93401

📞 805-541-5505

NPI: 1871523019

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Individual (NPI-1) Active

SALISU ADEJO AIKOYE M.D.

Psychiatry & Neurology, Psychiatry

📍13132 STUDEBAKER RD STE 10, NORWALK, CA, 90650

📞 562-280-7176

NPI: 1497173694

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Individual (NPI-1) Active

JERRY RHODES AINSWORTH M.D.

Psychiatry & Neurology, Psychiatry

📍23625 HOLMAN HWY, MONTEREY, CA, 93940

📞 831-624-5311

NPI: 1720099427

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Individual (NPI-1) Active

PAUL STEPHEN AISEN

Internal Medicine, Geriatric Medicine

📍200 WEST ARBOR DR MC 0949, SAN DIEGO, CA, 92103

📞 858-622-2028

NPI: 1669470753

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Individual (NPI-1) Active

CLARA AISENSTEIN M.D.

Psychiatry & Neurology, Psychiatry

📍2182 CAMINITO CIRCULO SUR, LA JOLLA, CA, 92037

📞 858-442-9924

NPI: 1356497028

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Individual (NPI-1) Active

NATALIE C AITCHISON MD

Psychiatry & Neurology, Psychiatry

📍3020 CHILDRENS WAY, SAN DIEGO, CA, 92123

📞 858-966-4939

NPI: 1588876825

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Individual (NPI-1) Active

ROHIT SANJEEV AIYER M.D.

Psychiatry & Neurology, Pain Medicine

📍17822 BEACH BLVD STE 300, HUNTINGTON BEACH, CA, 92647

📞 714-375-1122

NPI: 1801207014

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Individual (NPI-1) Active

HANADI AJAM OUGHLI MD

Psychiatry & Neurology, Psychiatry

📍300 UCLA MEDICAL PLZ STE 2200, LOS ANGELES, CA, 90095

📞 310-825-9989

NPI: 1598149536

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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