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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 16–30 of 108 providers
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Organization (NPI-2) Active

CANCER THERAPY MEDICAL GROUP INC

Clinic/Center, Multi-Specialty

📍7887 N CEDAR AVE, FRESNO, CA, 93720

📞 559-437-1000

NPI: 1659381549

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Organization (NPI-2) Active

CANCER TREATMENT SERVICES SAN DIEGO, LLC

Clinic/Center, Oncology, Radiation

📍959 LANE AVE, CHULA VISTA, CA, 91914

📞 619-502-7721

NPI: 1306083993

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Organization (NPI-2) Active

CARADONC INC

Clinic/Center, Oncology, Radiation

📍1800 MEDICAL CENTER DR, SAN BERNARDINO, CA, 92411

📞 909-887-8800

NPI: 1225273998

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Organization (NPI-2) Active

CENTER FOR INTEGRATIVE CANCER TREATMENT, INC.

Clinic/Center, Oncology

📍6 HUGHES, IRVINE, CA, 92618

📞 949-680-1881

NPI: 1962634972

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Organization (NPI-2) Active

CENTRAL VALLEY RADIATION ONCOLOGY

Clinic/Center, Oncology, Radiation

📍1401 SPANOS CT, MODESTO, CA, 95355

📞 209-823-1609

NPI: 1033471867

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Organization (NPI-2) Active

CENTRELAKE MEDICAL GROUP, INC.

Radiology, Diagnostic Radiology

📍3115 E GUASTI RD, ONTARIO, CA, 91761

📞 909-635-0411

NPI: 1639137938

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Organization (NPI-2) Active

CENTRELAKE MEDICAL GROUP, INC.

Clinic/Center, Radiology

📍10226 LAKEWOOD BLVD, DOWNEY, CA, 90241

📞 562-287-7205

NPI: 1104293216

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Organization (NPI-2) Active

CHAD SILA M D A PROFESSIONAL CORPORATION

Clinic/Center, Oncology, Radiation

📍14608 HAWTHORNE BLVD, LAWNDALE, CA, 90260

📞 310-978-4970

NPI: 1447595574

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Organization (NPI-2) Active

CITRUS TREATMENT CENTER

Clinic/Center, Primary Care

📍1135 S SUNSET AVE, WEST COVINA, CA, 91790

📞 626-373-2333

NPI: 1770906117

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Organization (NPI-2) Active

CITY OF HOPE MEDICAL FOUNDATION

Clinic/Center, Oncology

📍1500 DUARTE RD, DUARTE, CA, 91010

📞 626-808-5982

NPI: 1558823518

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Organization (NPI-2) Active

CLIFFORD J MERLO MD A MEDICAL CORP

Clinic/Center, Oncology, Radiation

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

📞 310-659-6770

NPI: 1366463929

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Organization (NPI-2) Active

COLTON HEALTH LLC

Clinic/Center, Oncology

📍480 FOURTH AVE STE 409, CHULA VISTA, CA, 91910

📞 619-425-2080

NPI: 1356848584

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Organization (NPI-2) Active

COMPASSIONATE CANCER TREATMENT AND WELLNESS CENTER

Clinic/Center, Oncology, Radiation

📍2004 S JONES BLVD, LAS VEGAS, NV, 89146

📞 415-260-8610

NPI: 1235562521

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Organization (NPI-2) Active

CYBERKNIFE OF SOUTHERN CALIFORNIA AT VISTA

Clinic/Center, Oncology, Radiation

📍902 SYCAMORE AVE, VISTA, CA, 92081

📞 760-599-9545

NPI: 1245415538

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Organization (NPI-2) Active

DAVID FOULAD MD INC.

Surgery

📍201 S LASKY DR, BEVERLY HILLS, CA, 90212

📞 818-850-7465

NPI: 1891653705

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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