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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 76–90 of 200 providers
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Individual (NPI-1) Active

MICHELLE THI CAO DO

Internal Medicine, Critical Care Medicine

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 650-725-7061

NPI: 1386791762

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Individual (NPI-1) Active

ROBSON CAPASSO MD

Otolaryngology, Sleep Medicine

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 650-723-4000

NPI: 1265635452

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Individual (NPI-1) Active

RICHARD J CASTRIOTTA M.D.

Internal Medicine, Pulmonary Disease

📍1520 SAN PABLO ST, LOS ANGELES, CA, 90033

📞 323-442-5100

NPI: 1316971245

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Individual (NPI-1) Active

ALLISON CHAN DO

Psychiatry & Neurology, Sleep Medicine

📍1309 S MARY AVE, SUNNYVALE, CA, 94087

📞 408-523-3460

NPI: 1841386000

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Individual (NPI-1) Active

DEEPTI CHANDRAN MD

Psychiatry & Neurology, Sleep Medicine

📍815 BAY AVE, CAPITOLA, CA, 95010

📞 831-460-7333

NPI: 1093839532

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Individual (NPI-1) Active

JASON SANGJIN CHANG MD

Psychiatry & Neurology, Sleep Medicine

📍6600 BRUCEVILLE RD, SACRAMENTO, CA, 95823

📞 916-688-6153

NPI: 1477563013

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Individual (NPI-1) Active

JESSE L. CHANG M.D.

Internal Medicine, Pulmonary Disease

📍3851 KATELLA AVE, LOS ALAMITOS, CA, 90720

📞 562-626-8016

NPI: 1366481863

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Individual (NPI-1) Active

MELISA R CHANG M.D.

Internal Medicine, Sleep Medicine

📍1223 16TH ST STE 3400, SANTA MONICA, CA, 90404

📞 310-449-0939

NPI: 1477879070

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Individual (NPI-1) Active

SMIT CHAUHAN MD MPH

Psychiatry & Neurology, Psychiatry

📍4537 COLLEGE AVE, SAN DIEGO, CA, 92115

📞 405-637-8555

NPI: 1700083391

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Individual (NPI-1) Active

BAHMAN CHAVOSHAN MD

Internal Medicine, Pulmonary Disease

📍1050 LINDEN AVE, LONG BEACH, CA, 90813

📞 562-491-9354

NPI: 1255480661

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Individual (NPI-1) Active

GINA H CHEN MD

Internal Medicine, Critical Care Medicine

📍1165 MONTGOMERY DR, SANTA ROSA, CA, 95405

📞 707-525-5300

NPI: 1497773808

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Individual (NPI-1) Active

STEPHEN P CHEN MD

Internal Medicine, Critical Care Medicine

📍500 N GARFIELD AVE, MONTEREY PARK, CA, 91754

📞 626-280-4393

NPI: 1205821477

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Individual (NPI-1) Active

YISHUI CHEN MD

Internal Medicine, Sleep Medicine

📍100 ROWLAND WAY STE 300, NOVATO, CA, 94945

📞 415-878-0225

NPI: 1619546884

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Individual (NPI-1) Active

CATHY IVORY CHENG M.D.

Psychiatry & Neurology, Sleep Medicine

📍411 N LAKEVIEW AVE, ANAHEIM, CA, 92807

📞 714-279-5912

NPI: 1427347673

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Individual (NPI-1) Active

CHRISTOPHER K. CHENG M.D.

Psychiatry & Neurology, Neurology

📍624 W DUARTE RD STE 102, ARCADIA, CA, 91007

📞 626-254-9540

NPI: 1700175312

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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