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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 106–120 of 200 providers
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Individual (NPI-1) Active

SAMUEL J. CLARK M.D.

Internal Medicine, Pulmonary Disease

📍1940 EL CAJON BLVD, SAN DIEGO, CA, 92104

📞 619-543-4500

NPI: 1689611709

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Individual (NPI-1) Active

MICHAEL L. COHEN M.D.

Internal Medicine, Critical Care Medicine

📍130 LA CASA VIA, WALNUT CREEK, CA, 94598

📞 925-944-0166

NPI: 1205885779

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Individual (NPI-1) Active

CLINTON GILBERT COLACO MD

Internal Medicine, Pulmonary Disease

📍10666 N TORREY PINES RD # 207W, LA JOLLA, CA, 92037

📞 858-824-5824

NPI: 1932405081

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Individual (NPI-1) Active

ALFREDO DANIEL COLON-MARRERO

Internal Medicine, Sleep Medicine

📍11234 ANDERSON ST, LOMA LINDA, CA, 92350

📞 909-558-6472

NPI: 1710539150

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Individual (NPI-1) Active

JOSE BERNARDO CONTRERAS M.D.

Internal Medicine, Pulmonary Disease

📍18837 BROOKHURST ST STE 110, FOUNTAIN VALLEY, CA, 92708

📞 714-462-3688

NPI: 1629490438

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Individual (NPI-1) Active

WALTER DANTE CONWELL M.D.

Internal Medicine, Critical Care Medicine

📍1375 E 20TH AVE, DENVER, CO, 80205

📞 303-338-4545

NPI: 1093977282

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Individual (NPI-1) Active

JOANNA A COOPER M.D.

Psychiatry & Neurology, Neurology

📍2850 TELEGRAPH AVE STE 110, BERKELEY, CA, 94705

📞 510-204-8140

NPI: 1558477018

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Individual (NPI-1) Active

DAVID JAMES CULPEPPER MD

Internal Medicine, Sleep Medicine

📍1100 9TH AVE, SEATTLE, WA, 98101

📞 206-625-7180

NPI: 1386021079

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Individual (NPI-1) Active

TIMOTHY SANTOS CUYEGKENG DO

Internal Medicine, Sleep Medicine

📍2800 L ST STE 500, SACRAMENTO, CA, 95816

📞 916-454-6850

NPI: 1093342842

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Individual (NPI-1) Active

HOUMAN DAHI MD

Internal Medicine, Pulmonary Disease

📍501 WASHINGTON ST STE 508, SAN DIEGO, CA, 92103

📞 619-299-2570

NPI: 1598732604

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Individual (NPI-1) Active

NAGAMANI DANDAMUDI M.D.,

Internal Medicine

📍11201 BENTON ST, LOMA LINDA, CA, 92357

📞 909-825-7084

NPI: 1184638058

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Individual (NPI-1) Active

DAWN DANIEL M.D.

Internal Medicine

📍2269 CHESTNUT ST, SAN FRANCISCO, CA, 94123

📞 650-814-4749

NPI: 1700927837

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Individual (NPI-1) Active

RAJKUMAR REYES DASGUPTA M.D.

Internal Medicine, Pulmonary Disease

📍100 W CALIFORNIA BLVD, PASADENA, CA, 91105

📞 626-397-8300

NPI: 1437117421

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Individual (NPI-1) Active

JONATHAN SAM DAVIDSON M.D.

Internal Medicine, Gastroenterology

📍2288 AUBURN BLVD STE 101, SACRAMENTO, CA, 95821

📞 916-699-8592

NPI: 1295891224

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Individual (NPI-1) Active

HEATHER LYNN DAVIS MD

Internal Medicine, Pulmonary Disease

📍1601 MONTE VISTA AVE STE 270, CLAREMONT, CA, 91711

📞 909-865-9152

NPI: 1154390391

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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