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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 46–60 of 200 providers
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Individual (NPI-1) Active

ROBERT W. ADAMS M.D.

Anesthesiology

📍655 ALAMEDA BLVD, CORONADO, CA, 92118

📞 858-565-9666

NPI: 1619126455

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Individual (NPI-1) Active

TIMOTHY MICHAEL ADAMS M.D.

Anesthesiology

📍1650 CREEKSIDE DR, FOLSOM, CA, 95630

📞 916-983-7461

NPI: 1477569556

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Individual (NPI-1) Active

ROCCO ADDANTE MD

Anesthesiology

📍344 HAUSER BLVD, LOS ANGELES, CA, 90036

📞 347-281-1113

NPI: 1215293014

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Individual (NPI-1) Active

PAUL JOSEPH ADDESSI MD

Anesthesiology

📍6003 E BASELINE RD, MESA, AZ, 85206

📞 480-641-6500

NPI: 1629059373

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Individual (NPI-1) Active

EMMANUEL JUSTICE ADDO M.D.

Anesthesiology

📍20301 SW BIRCH ST STE 102, NEWPORT BEACH, CA, 92660

📞 949-251-1502

NPI: 1588635890

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Individual (NPI-1) Active

DIETER ADELMANN

Anesthesiology

📍521 PARNASSUS AVE, SAN FRANCISCO, CA, 94143

📞 415-476-2131

NPI: 1417322835

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Individual (NPI-1) Active

SUSAN ADLER MD

Anesthesiology

📍1783 EL CAMINO REAL, BURLINGAME, CA, 94010

📞 650-696-5400

NPI: 1679529523

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Individual (NPI-1) Active

MERON ADMASSU RN

Anesthesiology

📍757 WESTWOOD PLZ STE 3325, LOS ANGELES, CA, 90095

📞 310-267-8626

NPI: 1962168435

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Individual (NPI-1) Active

ANNA AYENBONO ADONGO M.D.

Anesthesiology

📍1798 N GAREY AVE, POMONA, CA, 91767

📞 909-865-9140

NPI: 1497011902

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Individual (NPI-1) Active

AILEEN MARIE ADRIANO MD

Anesthesiology

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 650-723-4000

NPI: 1558311886

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Individual (NPI-1) Active

AYMAN MOHAMED M LOTFY ADS M.D.

Anesthesiology

📍8945 MAGNOLIA AVE STE 200, RIVERSIDE, CA, 92503

📞 951-688-7270

NPI: 1467488023

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Individual (NPI-1) Active

BRITTANY AESCHLIMANN M.D.

Anesthesiology, Pain Medicine

📍645 E MISSOURI AVE STE 300, PHOENIX, AZ, 85012

📞 602-262-8917

NPI: 1144682659

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Individual (NPI-1) Active

OLGA N. AFONIN M.D.

Anesthesiology

📍505 PARNASSUS AVE, SAN FRANCISCO, CA, 94143

📞 415-476-9694

NPI: 1821011834

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Individual (NPI-1) Active

DEEPAK AGARWAL D.O M.P.H.

Anesthesiology, Pain Medicine

📍222 W PUEBLO ST STE B, SANTA BARBARA, CA, 93105

📞 805-563-0363

NPI: 1417342981

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Individual (NPI-1) Active

RISHI RAJ AGARWAL M.D.

Anesthesiology, Pain Medicine

📍215 N MARENGO AVE STE 115, PASADENA, CA, 91101

📞 626-514-1188

NPI: 1659634798

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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