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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 91–105 of 200 providers
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Individual (NPI-1) Active

MARK MIN-YOUNG AHN M.D.

Anesthesiology

📍9400 N NAME UNO, GILROY, CA, 95020

📞 408-848-2000

NPI: 1417934670

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Individual (NPI-1) Active

YOUNG K. AHN MD

Anesthesiology

📍UNIVERSITY OF CALIFORNIA LOS ANGELES, LOS ANGELES, CA, 90095

📞 310-267-8693

NPI: 1497914931

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Individual (NPI-1) Active

YVONNE AHN MD

Anesthesiology

📍3626 RUFFIN RD, SAN DIEGO, CA, 92123

📞 858-565-9666

NPI: 1447407275

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Individual (NPI-1) Active

WILLIAM B. AHNN M.D.

Anesthesiology

📍2101 N WATERMAN AVE, SAN BERNARDINO, CA, 92404

📞 909-883-3711

NPI: 1457338683

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Individual (NPI-1) Active

MELANIE MAE AIKEN M.D.

Anesthesiology

📍200 W ARBOR DR # 8422, SAN DIEGO, CA, 92103

📞 619-543-6268

NPI: 1831445659

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Individual (NPI-1) Active

SHEA AIKEN M.D.

Anesthesiology

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 650-723-7377

NPI: 1629266671

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Individual (NPI-1) Active

ORRIN AILLONI-CHARAS MD

Anesthesiology

📍3700 CALIFORNIA ST, SAN FRANCISCO, CA, 94118

📞 415-719-0000

NPI: 1790731313

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Individual (NPI-1) Active

LEINANI SALAMASINA AIONO-LE TAGALOA MBChB

Anesthesiology

📍4150 V ST STE 1200, SACRAMENTO, CA, 95817

📞 916-734-7985

NPI: 1346433356

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Individual (NPI-1) Active

JUSTYNE AIRDO M.D.

Anesthesiology

📍1500 SAN PABLO ST, LOS ANGELES, CA, 90033

📞 323-442-7400

NPI: 1285071001

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Individual (NPI-1) Active

VIRGIL AIROLA M.D.

Anesthesiology

📍6235 N FRESNO ST, FRESNO, CA, 93710

📞 559-449-4350

NPI: 1952495608

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Individual (NPI-1) Active

ROHIT SANJEEV AIYER M.D.

Psychiatry & Neurology, Pain Medicine

📍17822 BEACH BLVD STE 300, HUNTINGTON BEACH, CA, 92647

📞 714-375-1122

NPI: 1801207014

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Individual (NPI-1) Active

REGINALD CHINAEDU AJAKWE M.D.

Anesthesiology

📍201 S BUENA VISTA ST STE 238, BURBANK, CA, 91505

📞 818-325-2088

NPI: 1467485730

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Individual (NPI-1) Active

YUSUKE AKAHOSHI M.D.

Anesthesiology

📍11301 WILSHIRE BLVD BLDG 500, LOS ANGELES, CA, 90073

📞 310-478-3711

NPI: 1164953246

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Individual (NPI-1) Active

JOHN E AKERS MD

Anesthesiology

📍7485 MISSION VALLEY RD, SAN DIEGO, CA, 92108

📞 619-291-3737

NPI: 1093751240

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Individual (NPI-1) Active

RAHA AKHAVAN M.D.

Anesthesiology

📍300 W HUNTINGTON DR, ARCADIA, CA, 91007

📞 626-445-4441

NPI: 1477577351

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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