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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 136–150 of 200 providers
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Individual (NPI-1) Active

REX SCOTT ADAMSON M.D.

Psychiatry & Neurology, Psychiatry

📍1878 E HATCH RD, MODESTO, CA, 95351

📞 209-538-1496

NPI: 1053416701

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Individual (NPI-1) Active

TYLER E ADAMSON DO

Family Medicine, Sports Medicine

📍15004 INNOVATION DR, SAN DIEGO, CA, 92128

📞 858-605-7960

NPI: 1295263002

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Individual (NPI-1) Active

SHEILA MARIE ADAYA ADAN D.O.

Family Medicine

📍2295 S VINEYARD AVE, ONTARIO, CA, 91761

📞 909-724-5000

NPI: 1912272733

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Individual (NPI-1) Active

JOHN DERYL ADDERSON M.D.

Family Medicine

📍6106 REGENTS RD, SAN DIEGO, CA, 92122

📞 858-625-2466

NPI: 1932149069

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Individual (NPI-1) Active

JOSEPH EDWARD ADDIEGO M.D.

Family Medicine

📍19 MONTE AVE, PIEDMONT, CA, 94611

📞 510-653-2891

NPI: 1336347483

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Individual (NPI-1) Active

LORD LISTOWEL ADDO-YIRENKYI MD

Hospitalist

📍11333 SEPULVEDA BLVD, MISSION HILLS, CA, 91345

📞 877-634-3196

NPI: 1588140008

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Individual (NPI-1) Active

ANUOLUWAPO ADEDIJI MD

Family Medicine

📍4502 MEDICAL DR, SAN ANTONIO, TX, 78229

📞 210-358-4000

NPI: 1003474644

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Individual (NPI-1) Active

MARYAM ADEEL M.D.

Family Medicine

📍301 INDUSTRIAL RD, SAN CARLOS, CA, 94070

📞 650-596-4000

NPI: 1285163998

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Individual (NPI-1) Active

OLATOKUNBO ADEGBORO MD

Family Medicine

📍4009 N BROADWAY ST, CHICAGO, IL, 60613

📞 773-388-1600

NPI: 1093100893

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Individual (NPI-1) Active

JESSICA ADELEKE D.O.

Family Medicine

📍1275 30TH ST, SAN DIEGO, CA, 92154

📞 253-330-2122

NPI: 1306145743

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Individual (NPI-1) Active

DONALD S ADEMA DO

Family Medicine

📍10201 MISSION GORGE RD, SANTEE, CA, 92071

📞 619-596-5445

NPI: 1487763512

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Individual (NPI-1) Active

AMARILDO ADEMAJ

Family Medicine

📍195 DISCOVERY DR, BROOKFIELD, WI, 53045

📞 262-513-7100

NPI: 1518311331

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Individual (NPI-1) Active

HAKEEM O. ADENIYI M.D.

Family Medicine

📍220 HOSPITAL DR, VALLEJO, CA, 94589

📞 707-641-1900

NPI: 1598083164

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Individual (NPI-1) Active

YEWANDE ADESHINA M.D.

Family Medicine

📍2965 EAST ST, ANDERSON, CA, 96007

📞 530-378-0486

NPI: 1346334596

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Individual (NPI-1) Active

MELODY MIJOY ADESUYAN

Family Medicine

📍200 S WELLS RD STE 100, VENTURA, CA, 93004

📞 805-647-6322

NPI: 1154909364

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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