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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 106–120 of 200 providers
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Individual (NPI-1) Active

CHRISTINA ANTONIA AGUIRRE-KOLB Ph.D., L.E.P., PPS

Psychologist, Clinical

📍520 E MONTECITO ST, SANTA BARBARA, CA, 93103

📞 805-847-8414

NPI: 1760756621

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Individual (NPI-1) Active

HILDY KELLMAN AGUSTIN Psy.D.

Psychologist, Clinical

📍830 MENLO AVE, MENLO PARK, CA, 94025

📞 650-321-1788

NPI: 1124213764

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Individual (NPI-1) Active

ARIANA AHANI

Psychologist, Clinical

📍1451 QUAIL ST STE 102, NEWPORT BEACH, CA, 92660

📞 949-679-4000

NPI: 1548850753

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Individual (NPI-1) Active

ILDA CELINA AHARONIAN Ph.D.

Psychologist, Clinical

📍600 S COMMONWEALTH AVE FL 6, LOS ANGELES, CA, 90005

📞 213-739-5441

NPI: 1629381231

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Individual (NPI-1) Active

AMY JO AHLFELD Psy.D.

Psychologist, Clinical

📍2830 I ST, SACRAMENTO, CA, 95816

📞 916-799-3866

NPI: 1952687949

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Individual (NPI-1) Active

SEAN D. AHLMEYER

Psychologist, Clinical

📍2526 S JENSEN ST, VISALIA, CA, 93292

📞 559-635-1239

NPI: 1609958917

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Individual (NPI-1) Active

LAUREN AHLQUIST PsyD

Psychologist, Clinical

📍3301 OCEAN PARK BLVD STE 210, SANTA MONICA, CA, 90405

📞 424-272-8425

NPI: 1467901207

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Individual (NPI-1) Active

HENRY HANS BJORN AHLSTROM Ph.D.

Psychologist, Clinical

📍10333 EL CAMINO REAL, ATASCADERO, CA, 93422

📞 805-468-2000

NPI: 1619945870

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Individual (NPI-1) Active

PUYA AHMADIEH-YAZDI

Psychologist, Clinical

📍21250 STEVENS CREEK BLVD, CUPERTINO, CA, 95014

📞 408-864-5511

NPI: 1801530167

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Individual (NPI-1) Active

DENIZ EREN AHMADINIA Psy.D.

Psychologist, Clinical

📍11301 WILSHIRE BLVD, LOS ANGELES, CA, 90073

📞 310-478-3711

NPI: 1619465655

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Individual (NPI-1) Active

MIKE M. AHMADSHAHI Ph. D.

Psychologist, Clinical

📍15233 VENTURA BLVD, SHERMAN OAKS, CA, 91403

📞 310-923-0623

NPI: 1326358094

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Individual (NPI-1) Active

ALISON YUSUN AHN

Psychologist, Clinical

📍301 THE CITY DRIVE SOUTH, ORANGE, CA, 92868

📞 714-796-0324

NPI: 1902463755

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Individual (NPI-1) Active

JENNIFER KU AHN Psy.D.

Psychologist, Clinical

📍2121 W TEMPLE ST, LOS ANGELES, CA, 90026

📞 213-260-7600

NPI: 1972853141

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Individual (NPI-1) Active

JESSICA ERYN AHO Psy.D.

Psychologist, Clinical

📍100 PRISON RD, REPRESA, CA, 95671

📞 916-985-8610

NPI: 1760763585

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Individual (NPI-1) Active

TREVOR MAXWELL AHRENDT M.A.

Psychologist, Clinical

📍3368 SACRAMENTO ST, SAN FRANCISCO, CA, 94118

📞 415-340-7101

NPI: 1508179243

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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