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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 166–180 of 200 providers
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Individual (NPI-1) Active

KEIGHLYNN NICHOLE ADLOF PsyD

Psychologist, Clinical

📍5000 W NATIONAL AVE, MILWAUKEE, WI, 53295

📞 414-384-2000

NPI: 1215385489

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Organization (NPI-2) Active

ADMHS

Community/Behavioral Health

📍300 N SAN ANTONIO RD, SANTA BARBARA, CA, 93110

📞 805-681-5220

NPI: 1265635239

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Individual (NPI-1) Active

ABBY PRESS ADORNEY PhD

Psychologist, Clinical

📍12240 VENICE BLVD STE 30, LOS ANGELES, CA, 90066

📞 310-895-9691

NPI: 1912093931

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Individual (NPI-1) Active

CHERI ADRIAN Ph.D.

Psychologist, Clinical

📍1950 SAWTELLE BLVD, LOS ANGELES, CA, 90025

📞 310-208-2446

NPI: 1366597833

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Organization (NPI-2) Active

ADRIANA POPESCU PSYCHOLOGIST PC

Psychologist, Clinical

📍3237 SACRAMENTO ST, SAN FRANCISCO, CA, 94115

📞 415-488-6183

NPI: 1952018038

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Organization (NPI-2) Active

ADRIANNE AHERN GRUNDLAND PHD PSYCHOLOGY CORPORATION

Psychologist, Clinical

📍11622 EL CAMINO REAL, SAN DIEGO, CA, 92130

📞 858-764-2422

NPI: 1902349731

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Organization (NPI-2) Active

ADRIENNE E. PASEK, PROFESSIONAL PSYCHOLOGICAL CORPORATION

Psychologist, Clinical

📍1151 DOVE ST, NEWPORT BEACH, CA, 92660

📞 949-201-5779

NPI: 1841543964

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Individual (NPI-1) Active

SARAH ADUT PhD

Psychologist, Clinical

📍710 LAWRENCE EXPY, SANTA CLARA, CA, 95051

📞 408-851-2290

NPI: 1609484831

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Organization (NPI-2) Active

ADVANCE BIOMETRIX, LLC

Clinical Medical Laboratory

📍2344 WALSH AVE STE A, SANTA CLARA, CA, 95051

📞 800-000-0000

NPI: 1093267023

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Organization (NPI-2) Active

ADVANCE CARE DIAGNOSTICS

Clinical Medical Laboratory

📍4274 N BLACKSTONE AVE, FRESNO, CA, 93726

📞 800-666-5323

NPI: 1487301370

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Organization (NPI-2) Active

ADVANCE SLEEP CENTER INC

Clinical Medical Laboratory

📍325 N VICTORY BLVD, BURBANK, CA, 91502

📞 818-497-3476

NPI: 1437578291

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Organization (NPI-2) Active

ADVANCED BIOMEDICAL, INC.

Clinical Medical Laboratory

📍3089 S HARBOR BLVD, SANTA ANA, CA, 92704

📞 714-900-2900

NPI: 1518039486

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Organization (NPI-2) Active

ADVANCED CARDIO SERVICES

Physiological Laboratory

📍2544 CAMPBELL PL, CARLSBAD, CA, 92009

📞 866-416-8989

NPI: 1861719668

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Organization (NPI-2) Active

ADVANCED DIAGNOSTIC SERVICES LLC

Clinical Medical Laboratory

📍135 N VICTORY BLVD STE A, BURBANK, CA, 91502

📞 805-341-2482

NPI: 1760109631

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Organization (NPI-2) Active

ADVANCED DIAGNOSTICS LAB LLC

Clinical Medical Laboratory

📍23275 S POINTE DRIVE, LAGUNA HILLS, CA, 92653

📞 949-274-8355

NPI: 1942608195

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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