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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 121–135 of 200 providers
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Individual (NPI-1) Active

ANNE MARGARET ARNHYM CPNP

Nurse Practitioner, Pediatrics

📍400 PARNASSUS AVE, SAN FRANCISCO, CA, 94143

📞 415-353-2200

NPI: 1386867927

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Individual (NPI-1) Active

JOHN CHARLES ARNOLD MD

Pediatrics, Pediatric Infectious Diseases

📍34800 BOB WILSON DR, SAN DIEGO, CA, 92134

📞 619-532-5953

NPI: 1023191053

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Individual (NPI-1) Active

LISA LYONS ARNOLD PNP

Nurse Practitioner, Pediatrics

📍34800 BOB WILSON DR, SAN DIEGO, CA, 92134

📞 619-532-8236

NPI: 1578606455

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Individual (NPI-1) Active

MELISSA AROMIN M.D.

Pediatrics, Pediatric Emergency Medicine

📍505 S MAIN ST, ORANGE, CA, 92868

📞 714-456-5631

NPI: 1477810497

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Individual (NPI-1) Active

JOYCE ARPILLEDA MD

Pediatrics, Pediatric Emergency Medicine

📍3020 CHILDRENS WAY # MC5075, SAN DIEGO, CA, 92123

📞 858-966-8036

NPI: 1972523009

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Individual (NPI-1) Active

ANTONIO C. ARRIETA M.D.

Pediatrics, Pediatric Infectious Diseases

📍455 S MAIN ST, ORANGE, CA, 92868

📞 714-532-8403

NPI: 1861599748

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Individual (NPI-1) Active

KATHERINE B. ARROGANTE DNP, FNP-C, CPNP-C

Nurse Practitioner, Family

📍100 N RANCHO SANTA FE RD STE 110, SAN MARCOS, CA, 92069

📞 760-854-4222

NPI: 1801775259

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Individual (NPI-1) Active

LOURDES ALICIA ARTEAGA MSN, PNP

Nurse Practitioner, Pediatrics

📍1420 S CENTRAL AVE, GLENDALE, CA, 91204

📞 818-502-4567

NPI: 1235208141

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Individual (NPI-1) Active

HOVIG K ARTINIAN M.D.

Pediatrics, Pediatric Pulmonology

📍726 N MEDICAL CENTER DR E STE 209, CLOVIS, CA, 93611

📞 559-325-5656

NPI: 1093014284

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Individual (NPI-1) Active

ANN MARGARET ARVIN M.D.

Pediatrics, Pediatric Infectious Diseases

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 659-498-6227

NPI: 1982748463

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Individual (NPI-1) Active

SHAILESH MANOHAR ASAIKAR M.D.

Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology

📍1111 EXPOSITION BLVD, SACRAMENTO, CA, 95815

📞 916-648-9800

NPI: 1770695181

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Individual (NPI-1) Active

FROILAND AGANA ASCANO N.P.

Nurse Practitioner, Acute Care

📍725 WELCH RD, PALO ALTO, CA, 94304

📞 650-497-8649

NPI: 1033661871

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Individual (NPI-1) Active

DEJEUNEE ASHBY MD

Pediatrics, Developmental - Behavioral Pediatrics

📍808 W 58TH ST, LOS ANGELES, CA, 90037

📞 323-541-1600

NPI: 1326561630

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Individual (NPI-1) Active

MALLORY ASHDOWN NP

Nurse Practitioner

📍3250 WILSHIRE BLVD # 201, LOS ANGELES, CA, 90010

📞 323-361-6102

NPI: 1225777238

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Individual (NPI-1) Active

DAVID ASHEN-GARRY DO

Pediatrics

📍2701 ATLANTIC AVENUE, LONG BEACH, CA, 90806

📞 714-377-6993

NPI: 1164916474

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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