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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 181–195 of 200 providers
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Individual (NPI-1) Active

CHWEN-YUEN ANGIE CHEN MD

Internal Medicine

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 650-723-4000

NPI: 1114100476

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Individual (NPI-1) Active

DIANA CHEN MD, MBA

Family Medicine, Addiction Medicine

📍2950 INTERNATIONAL BLVD, OAKLAND, CA, 94601

📞 510-535-4400

NPI: 1073136057

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Individual (NPI-1) Active

SUDHAKAR V CHERUKURI M.D.

Preventive Medicine, Addiction Medicine

📍2425 ENBORG LANE, SANTA CLARA, CA, 95128

📞 408-885-5400

NPI: 1497827745

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Organization (NPI-2) Active

CHET THARPE MEDICAL PC

Psychiatry & Neurology, Psychiatry

📍1041 E YORBA LINDA BLVD STE 302, PLACENTIA, CA, 92870

📞 406-219-7835

NPI: 1760130330

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Individual (NPI-1) Active

CHUN HSIEN CHIANG M.D.

Family Medicine

📍550 N FLOWER ST, SANTA ANA, CA, 92703

📞 949-625-0938

NPI: 1457657710

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Individual (NPI-1) Active

MICHAEL R. CHIAROTTINO M.D.

Family Medicine, Addiction Medicine

📍1750 BRIDGEWAY, SAUSALITO, CA, 94965

📞 415-331-2113

NPI: 1124341060

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Individual (NPI-1) Active

LORENZ CHOI DO

Family Medicine, Addiction Medicine

📍300 HILLMONT AVE STE 101, VENTURA, CA, 93003

📞 805-652-6100

NPI: 1619592623

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Individual (NPI-1) Active

JOSEPH CHUDY M.D.

Family Medicine, Addiction Medicine

📍541 S HAM LN STE A&B, LODI, CA, 95242

📞 209-553-0798

NPI: 1841251105

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Individual (NPI-1) Active

GINA M. CLARK MD

Psychiatry & Neurology, Psychiatry

📍275 W MACARTHUR BLVD, OAKLAND, CA, 94611

📞 510-752-1000

NPI: 1992020887

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Individual (NPI-1) Active

RALPH WARNER CLARK M.D.

Preventive Medicine, Addiction Medicine

📍11201 BENTON ST, LOMA LINDA, CA, 92357

📞 909-825-7084

NPI: 1336317239

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Individual (NPI-1) Active

AIDAN M CLARKE MD

Anesthesiology, Pain Medicine

📍1725 W MONTECITO WAY, SAN DIEGO, CA, 92103

📞 619-210-9291

NPI: 1215941158

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Individual (NPI-1) Active

BRIAN ROBERT CLEAR M.D.

Family Medicine, Addiction Medicine

📍1700 WESTLAKE AVE N STE 200, SEATTLE, WA, 98109

📞 866-337-2566

NPI: 1154680668

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Organization (NPI-2) Active

CLEAR CREEK MEDICAL CORP

Family Medicine, Addiction Medicine

📍1100 BUTTE ST, REDDING, CA, 96001

📞 530-244-5400

NPI: 1629583018

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Organization (NPI-2) Active

COASTAL ADDICTION PROFESSIONALS

Internal Medicine, Addiction Medicine

📍1600 N ROSE AVE, OXNARD, CA, 93030

📞 602-844-4855

NPI: 1386354280

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Organization (NPI-2) Active

COASTAL PRESTIGE CLINIC

Obstetrics & Gynecology

📍1677 SHELL BEACH RD, SHELL BEACH, CA, 93449

📞 805-416-2263

NPI: 1487254413

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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