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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 61–75 of 108 providers
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Organization (NPI-2) Active

ON-POINT MEDICAL BILLING & STAFFING

Clinic/Center, Urgent Care

📍101 N IRWIN ST, HANFORD, CA, 93230

📞 559-585-8909

NPI: 1225368756

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Organization (NPI-2) Active

ONCOLOGY HEMATOLOGY MED GRP OF WLA INC

Clinic/Center, Oncology

📍1125 S BEVERLY DR, LOS ANGELES, CA, 90035

📞 310-557-2772

NPI: 1699857789

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Organization (NPI-2) Active

ONCOLOGY THERAPIES OF VISTA MEDICAL GROUP, INC

Clinic/Center, Oncology, Radiation

📍916 SYCAMORE AVE, VISTA, CA, 92081

📞 760-599-9545

NPI: 1265509657

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Organization (NPI-2) Active

PACIFIC CANCER INSTITUTE LLC

Clinic/Center, Oncology, Radiation

📍227 MAHALANI ST, WAILUKU, HI, 96793

📞 808-242-2600

NPI: 1144433053

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Organization (NPI-2) Active

PASADENA CYBERKNIFE CENTER, LLC.

Clinic/Center, Oncology, Radiation

📍630 S RAYMOND AVE UNIT 104, PASADENA, CA, 91105

📞 626-768-1021

NPI: 1013625730

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Organization (NPI-2) Active

PATRICIA S. GORDON MD PROFESSIONAL CORP

Clinic/Center, Oncology, Radiation

📍150 N ROBERTSON BLVD, BEVERLY HILLS, CA, 90211

📞 310-659-6770

NPI: 1447271085

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Organization (NPI-2) Active

PERSONALIZED HEMATOLOGY ONCOLOGY CONSULTANT OF CALIFORNIA PC

Clinic/Center, Oncology

📍113 WATERWORKS WAY STE 245, IRVINE, CA, 92618

📞 949-777-5970

NPI: 1467233460

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Organization (NPI-2) Active

PETER C RICHARDS MD,INC

Clinic/Center, Oncology

📍3838 CALIFORNIA ST, SAN FRANCISCO, CA, 94118

📞 415-221-0735

NPI: 1366688855

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Organization (NPI-2) Active

PETER GREENBERG, MD INC

Clinic/Center, Oncology, Radiation

📍1180 N INDIAN CANYON DR STE E218, PALM SPRINGS, CA, 92262

📞 951-691-5123

NPI: 1932396058

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Organization (NPI-2) Active

PMK MEDICAL GROUP, INC.

Internal Medicine, Hematology & Oncology

📍1700 N ROSE AVE STE 320, OXNARD, CA, 93030

📞 805-485-8709

NPI: 1962405860

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Organization (NPI-2) Active

PROVIDENCE HEALTH & SERVICES MT

Internal Medicine, Medical Oncology

📍500 W BROADWAY ST, MISSOULA, MT, 59802

📞 406-728-2539

NPI: 1326483587

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Organization (NPI-2) Active

PROVIDENCE HEALTH & SERVICES WASHINGTON

Clinic/Center, Oncology, Radiation

📍1200 BASICH BLVD, ABERDEEN, WA, 98520

📞 360-537-8801

NPI: 1457721250

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Organization (NPI-2) Active

RADIATION ONCOLOGY NETWORK OF SOUTHERN CALIFORNIA

Clinic/Center, Oncology, Radiation

📍1410 S LA BRUCHERIE RD STE B, EL CENTRO, CA, 92243

📞 760-339-5620

NPI: 1336752039

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Organization (NPI-2) Active

RADIATION ONCOLOGY PHYSICIANS, INC.

Clinic/Center, Oncology, Radiation

📍1180 N. INDIAN CANYON DR, PALM SPRINGS, CA, 92262

📞 760-416-4770

NPI: 1679709679

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Organization (NPI-2) Active

RAMESH MOOLANI, MD INC

Clinic/Center, Oncology

📍855 THIRD AVE STE 3330, CHULA VISTA, CA, 91911

📞 619-745-1031

NPI: 1366197956

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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