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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

JAMILA H. CHAMPSI MD

Internal Medicine, Infectious Disease

📍1200 EL CAMINO REAL, SOUTH SAN FRANCISCO, CA, 94080

📞 650-742-2000

NPI: 1427136068

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Individual (NPI-1) Active

AMY CHANG MD

Internal Medicine, Infectious Disease

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 650-723-4000

NPI: 1962848960

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Individual (NPI-1) Active

ELISA LEE CHANG M.D.

Internal Medicine, Infectious Disease

📍960 E GREEN ST STE 105, PASADENA, CA, 91106

📞 626-304-0782

NPI: 1811284193

👨‍⚕️
Individual (NPI-1) Active

SANDY CHANG

Internal Medicine, Infectious Disease

📍11234 ANDERSON STREET, LOMA LINDA, CA, 92354

📞 310-825-7375

NPI: 1629465737

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Individual (NPI-1) Active

WUN-LING CHANG M.D.

Internal Medicine, Infectious Disease

📍9888 GENESEE AVE, LA JOLLA, CA, 92037

📞 858-202-1736

NPI: 1194734111

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Individual (NPI-1) Active

MICHAEL TANDICK CHARNEY M.D.

Internal Medicine, Infectious Disease

📍2100 FOREST AVE, SAN JOSE, CA, 95128

📞 408-286-6470

NPI: 1700955143

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Individual (NPI-1) Active

AARTHI CHARY M.D.

Internal Medicine, Infectious Disease

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 650-723-6661

NPI: 1588843890

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Individual (NPI-1) Active

BHARAT CHAUHAN M.D.

Internal Medicine, Infectious Disease

📍1111 W LA PALMA AVE, ANAHEIM, CA, 92801

📞 714-212-2099

NPI: 1730243759

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Individual (NPI-1) Active

UDAY CHAUHAN MD

Internal Medicine, Infectious Disease

📍9080 COLIMA RD, WHITTIER, CA, 90605

📞 562-980-6969

NPI: 1285213603

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Individual (NPI-1) Active

LIZA DOMINGUEZ CHAVEZ M.D.

Internal Medicine, Infectious Disease

📍3650 E. SOUTH ST, LAKEWOOD, CA, 90712

📞 562-633-2204

NPI: 1316038045

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Individual (NPI-1) Active

HARMAN CHAWLA M.D.

Internal Medicine, Infectious Disease

📍2557 MOWRY AVE, FREMONT, CA, 94538

📞 510-248-1550

NPI: 1518251701

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Individual (NPI-1) Active

KARISHMA K CHAWLA M.D.

Internal Medicine, Infectious Disease

📍1500 21ST ST, SACRAMENTO, CA, 95811

📞 916-443-3299

NPI: 1295150852

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Individual (NPI-1) Active

ANUCHEAT CHEA M.D.

Internal Medicine, Infectious Disease

📍100 DRAKES LANDING RD STE 225, GREENBRAE, CA, 94904

📞 415-526-8726

NPI: 1952663635

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Individual (NPI-1) Active

DANIEL P CHELLIAH MD

Internal Medicine, Infectious Disease

📍701 E. EL CAMINO REAL, MOUNTAIN VIEW, CA, 94040

📞 650-934-7599

NPI: 1174847933

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Individual (NPI-1) Active

BENJAMIN C CHEN MD

Internal Medicine, Infectious Disease

📍3181 SW SAM JACKSON PARK RD, PORTLAND, OR, 97239

📞 503-494-4971

NPI: 1396236527

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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