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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

CHRISTIANE MICHELE JEANNE BURNISON MD

📍8700 BEVERLY BLVD, WEST HOLLYWOOD, CA, 90048

📞 310-423-4206

NPI: 1366492498

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Individual (NPI-1) Active

DAVID BUSH M.D.

📍11234 ANDERSON ST, LOMA LINDA, CA, 92354

📞 909-558-8311

NPI: 1114944782

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Individual (NPI-1) Active

SANTINO SCISCIONE BUTLER MD

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 650-723-4000

NPI: 1588291447

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Individual (NPI-1) Active

MARK K BUYYOUNOUSKI M.D.

Specialist

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 650-723-4000

NPI: 1912927021

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Individual (NPI-1) Active

JOHN K BYUN MD

📍101 NICOLLS RD, STONY BROOK, NY, 11794

📞 631-444-2325

NPI: 1528487089

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Individual (NPI-1) Active

BENJAMIN LOUIS CAHAN M.D.

📍209 FAIR OAKS AVE, SOUTH PASADENA, CA, 91030

📞 626-396-2900

NPI: 1396034229

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Individual (NPI-1) Active

HAOCHENG CAI DO, PhD

📍880 E TUOLUMNE RD, TURLOCK, CA, 95382

📞 209-664-5030

NPI: 1548882632

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Organization (NPI-2) Active

CALIFORNIA CANCER ASSOCIATES FOR RESEARCH AND EXCELLENCE INC

Internal Medicine, Hematology & Oncology

📍7130 N MILLBROOK AVE STE 100, FRESNO, CA, 93720

📞 559-326-1222

NPI: 1083661607

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Organization (NPI-2) Active

CALIFORNIA CANCER SPECIALISTS MEDICAL GROUP INC

Anesthesiology

📍1500 DUARTE RD, DUARTE, CA, 91010

📞 626-359-8111

NPI: 1912006636

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Individual (NPI-1) Active

GARY E CAMPBELL MD

📍1535 MEDICAL PKWY STE A, CARSON CITY, NV, 89703

📞 775-883-5505

NPI: 1265492011

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Organization (NPI-2) Active

CANCER CARE CONSULTANTS MEDICAL ASSOCIATES

📍2428 SANTA MONICA BLVD, SANTA MONICA, CA, 90404

📞 310-828-0061

NPI: 1437271798

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Organization (NPI-2) Active

CANCER THERAPY MEDICAL GROUP INC

📍1445 LIVORNA RD, ALAMO, CA, 94507

📞 925-952-8700

NPI: 1952585754

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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 THERAPY MEDICAL GROUP INC

📍301 PROFESSIONAL CENTER DR, ROHNERT PARK, CA, 94928

📞 707-584-2200

NPI: 1649280520

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Organization (NPI-2) Active

CANCER THERAPY MEDICAL GROUP INC

📍8100 BRUCEVILLE RD, SACRAMENTO, CA, 95823

📞 916-683-9616

NPI: 1508876400

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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