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Healthcare Providers in California

Find doctors, hospitals, and clinics in California from the official NPPES NPI Registry. We found 108 providers in this listing.

108 Providers Found Data from NPPES NPI Registry Updated 2026
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All Providers Doctors Hospitals & Clinics
Showing 76–90 of 108 providers
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Organization (NPI-2) Active

REDWOODS RURAL HEALTH CENTER, INC

Clinic/Center, Oncology

📍101 WEST COAST ROAD, REDWAY, CA, 95560

📞 707-923-2783

NPI: 1821263625

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Organization (NPI-2) Active

REGENTS OF THE UNIVERSITY OF CALIFORNIA

Clinic/Center, Oncology, Radiation

📍959 LANE AVE, CHULA VISTA, CA, 91914

📞 619-502-7721

NPI: 1134450596

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Organization (NPI-2) Active

REGENTS OF THE UNIVERSITY OF CALIFORNIA

Clinic/Center, Oncology, Radiation

📍1200 GARDEN VIEW RD, ENCINITAS, CA, 92024

📞 858-246-0500

NPI: 1548419526

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Organization (NPI-2) Active

REGENTS UNIV OF CALIF OF LOS ANGELES

Clinic/Center, Oncology

📍200 MEDICAL PLAZA SUITE 120, LOS ANGELES, CA, 90095

📞 310-206-6931

NPI: 1326566431

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Organization (NPI-2) Active

RENEWED HOPE RADIATION ONCOLOGY, INC.

Clinic/Center, Oncology, Radiation

📍1901 HOLSER WALK, OXNARD, CA, 93036

📞 805-485-2824

NPI: 1033163621

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Organization (NPI-2) Active

ROTATING GAMMA INSTITUTE ORANGE

Clinic/Center, Oncology, Radiation

📍3400 W BALL RD, ANAHEIM, CA, 92804

📞 714-816-8705

NPI: 1073754255

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Organization (NPI-2) Active

SANGEETAAGARAWAL

Nurse Practitioner, Adult Health

📍671 LAKEWOOD DR, SUNNYVALE, CA, 94089

📞 650-669-4049

NPI: 1659183473

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Organization (NPI-2) Active

SEQUOIA ONCOLOGY MEDICAL ASSOC

Clinic/Center, Oncology

📍4945 W CYPRESS AVE, VISALIA, CA, 93277

📞 559-624-3000

NPI: 1265405328

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Organization (NPI-2) Active

SEQUOIA ONCOLOGY MEDICAL ASSOC

Clinic/Center, Oncology

📍857 GARNER AVE, HANFORD, CA, 93230

📞 559-584-6000

NPI: 1063486025

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Organization (NPI-2) Active

SEQUOIA RADIATION ONCOLOGY MEDICAL ASSOCIATES, INC

Clinic/Center, Oncology, Radiation

📍4945 W CYPRESS AVE, VISALIA, CA, 93277

📞 559-624-3100

NPI: 1972781094

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Organization (NPI-2) Active

SEQUOIA RADIATION ONCOLOGY MEDICAL ASSOCIATES, INC.

Clinic/Center, Oncology, Radiation

📍1443 W 7TH ST, HANFORD, CA, 93230

📞 559-585-7115

NPI: 1386813285

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Organization (NPI-2) Active

SONORA COMMUNITY HOSPITAL

Clinic/Center, Oncology, Radiation

📍900 MONO WAY, SONORA, CA, 95370

📞 209-536-6940

NPI: 1891732418

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Organization (NPI-2) Active

SOUTH BAY CANCER CENTER

Clinic/Center, Oncology, Radiation

📍14608 HAWTHORNE BOULEVARD, LAWNDALE, CA, 90260

📞 310-978-4970

NPI: 1760681936

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Organization (NPI-2) Active

ST. MARYS RADIATION ONCOLOGY MEDICAL GROUP

Clinic/Center, Oncology, Radiation

📍1043 ELM AVE, LONG BEACH, CA, 90813

📞 909-263-0321

NPI: 1316969207

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Organization (NPI-2) Active

STANFORD HOSPITAL AND CLINICS

Clinic/Center, Oncology

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 650-888-9524

NPI: 1659756187

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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 108
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