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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 1–15 of 200 providers
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Individual (NPI-1) Active

KELECHI ABANOBI M.D

Thoracic Surgery (Cardiothoracic Vascular Surgery)

📍10833 LE CONTE AVE, LOS ANGELES, CA, 90095

📞 310-825-6256

NPI: 1720236953

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Individual (NPI-1) Active

ALEXANDER E ABDULLAYEV MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

📍525 LILLY RD NE STE 200, OLYMPIA, WA, 98506

📞 360-493-4510

NPI: 1538693015

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Individual (NPI-1) Active

AMIR ABOLHODA MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

📍UCI MEDICAL CENTER, ORANGE, CA, 92868

📞 714-456-8978

NPI: 1891875951

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Individual (NPI-1) Active

REGINALD G M ABRAHAM M D

Thoracic Surgery (Cardiothoracic Vascular Surgery)

📍11100 WARNER AVE, FOUNTAIN VALLEY, CA, 92708

📞 714-549-5990

NPI: 1720042864

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Individual (NPI-1) Active

ADRIAN R ACUNA HIGAKI

Thoracic Surgery (Cardiothoracic Vascular Surgery)

📍1520 SAN PABLO ST STE 4300, LOS ANGELES, CA, 90033

📞 239-285-3303

NPI: 1831991454

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Individual (NPI-1) Active

ROBERT M. ADAMSON M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery)

📍8010 FROST ST, SAN DIEGO, CA, 92123

📞 858-939-7471

NPI: 1043292584

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Individual (NPI-1) Active

ALAA YOUSSEF AFIFI MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

📍2200 E FRUIT ST, SANTA ANA, CA, 92701

📞 714-973-9903

NPI: 1609802552

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Individual (NPI-1) Active

RICARDO E AGUIRRE MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

📍1320 EL CAPITAN DR, DANVILLE, CA, 94526

📞 925-676-2600

NPI: 1699739219

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Individual (NPI-1) Active

MASTANEH AHMADI-KASHANI MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

📍1330 ROCKEFELLER AVE, EVERETT, WA, 98201

📞 425-261-4950

NPI: 1275768186

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Individual (NPI-1) Active

PALASH AIYER MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

📍1825 4TH ST, SAN FRANCISCO, CA, 94143

📞 415-476-3501

NPI: 1649832213

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Individual (NPI-1) Active

ANDREW AKCELIK MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

📍505 PARNASSUS AVE, SAN FRANCISCO, CA, 94143

📞 415-476-1000

NPI: 1992298319

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Individual (NPI-1) Active

AKBARSHAKH AKHMEROV MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

📍8700 BEVERLY BLVD, WEST HOLLYWOOD, CA, 90048

📞 310-423-3851

NPI: 1215464276

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Individual (NPI-1) Active

LISHAN AKLOG M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery)

📍500 W THOMAS RD, PHOENIX, AZ, 85013

📞 602-406-6458

NPI: 1801817937

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Individual (NPI-1) Active

TALAL AL-ATASSI MD, CM, MPH, FRCSC

Thoracic Surgery (Cardiothoracic Vascular Surgery)

📍127 SOUTH SAN VICENTE BLVD, LOS ANGELES, CA, 90048

📞 310-423-3851

NPI: 1871985309

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Individual (NPI-1) Active

AIMAN ALASSAR MD, PhD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

📍500 PASTEUR DR, PALO ALTO, CA, 94304

📞 650-387-1866

NPI: 1316553878

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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