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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 166–180 of 200 providers
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Individual (NPI-1) Active

DEAN LEROY DAVIS M.D.

📍2215 TRUXTUN AVE, BAKERSFIELD, CA, 93301

📞 661-632-5700

NPI: 1619996139

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Individual (NPI-1) Active

RONALD T. DAVIS M.D.

Specialist

📍2466 1ST AVE, SAN DIEGO, CA, 92101

📞 619-230-0400

NPI: 1184622532

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Individual (NPI-1) Active

STEVEN WARREN DAVIS M.D.

Pathology, Anatomic Pathology & Clinical Pathology

📍101 THE CITY DR S, ORANGE, CA, 92868

📞 714-880-7812

NPI: 1558463653

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Individual (NPI-1) Active

ANNE K DAWSON M.D.

📍265 COHASSET RD, CHICO, CA, 95926

📞 530-332-3917

NPI: 1902847981

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Individual (NPI-1) Active

KEVIN DAY MD

📍300 PASTEUR DR RM S092, STANFORD, CA, 94305

📞 650-723-4527

NPI: 1699030577

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Individual (NPI-1) Active

REGIANE SOARES DE ANDRADE M.D.

Specialist

📍11190 WARNER AVE STE 115, FOUNTAIN VALLEY, CA, 92708

📞 714-210-0140

NPI: 1922352467

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Individual (NPI-1) Active

DAVID JEFFREY DEMANES M.D.

📍200 MEDICAL PLZ, LOS ANGELES, CA, 90095

📞 310-825-0128

NPI: 1407914757

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Individual (NPI-1) Active

JIE DENG MDPhD

📍200 UCLA MEDICAL PLZ STE B265, LOS ANGELES, CA, 90095

📞 310-825-9775

NPI: 1851889562

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Individual (NPI-1) Active

MARY WINIFRED DENK M.D.

📍6136 BELLAIRE AVE, NORTH HOLLYWOOD, CA, 91606

📞 818-769-6378

NPI: 1538282512

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Individual (NPI-1) Active

AJAY DESAI M.D.

Specialist

📍6501 TRUXTUN AVE, BAKERSFIELD, CA, 93309

📞 661-322-2206

NPI: 1124015706

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Individual (NPI-1) Active

KELLY DEWITT MD

📍5555 GROSSMONT CENTER DR, LA MESA, CA, 91942

📞 619-740-4500

NPI: 1184668741

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Individual (NPI-1) Active

KEVIN DIAO MD

📍12393 WASHINGTON BLVD, WHITTIER, CA, 90606

📞 562-696-5964

NPI: 1578067260

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Individual (NPI-1) Active

MAXIMILIAN DIEHN M.D./Ph.D.

📍875 BLAKE WILBUR DR., STANFORD, CA, 94305

📞 650-723-6171

NPI: 1174719850

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Individual (NPI-1) Active

LY VIET DO M.D.

📍200 JOSE FIGUERES AVE, SAN JOSE, CA, 95116

📞 408-729-4673

NPI: 1376706929

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Individual (NPI-1) Active

TRI MINH DO MD

Internal Medicine

📍5091 MITTY WAY, SAN JOSE, CA, 95129

📞 408-835-9601

NPI: 1619930260

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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