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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 31–45 of 200 providers
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Individual (NPI-1) Active

PAUL RICHARD ALLYN

Internal Medicine, Infectious Disease

📍200 MEDICAL PLZ, LOS ANGELES, CA, 90095

📞 310-206-7663

NPI: 1588831341

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Individual (NPI-1) Active

ALLEN AMERI M.D.

Internal Medicine, Infectious Disease

📍501 S BUENA VISTA ST, BURBANK, CA, 91505

📞 323-405-4117

NPI: 1922362425

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Individual (NPI-1) Active

NAVINCHANDRA MANIBHAI AMIN MD

Internal Medicine, Infectious Disease

📍2601 OSWELL ST, BAKERSFIELD, CA, 93306

📞 661-873-0005

NPI: 1871524553

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Individual (NPI-1) Active

ABHINANDAN ANAND RAMAN MD

Internal Medicine, Infectious Disease

📍1805 N CALIFORNIA ST STE 201, STOCKTON, CA, 95204

📞 209-645-3771

NPI: 1003478819

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Individual (NPI-1) Active

ELIZABETH T. ANDERSON MD

Internal Medicine, Infectious Disease

📍280 W MACARTHUR BLVD, OAKLAND, CA, 94611

📞 510-752-1000

NPI: 1922170760

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Individual (NPI-1) Active

ROSA MERCEDES ANDRADE MD

Internal Medicine, Infectious Disease

📍101 THE CITY DR S BLDG 29, ORANGE, CA, 92868

📞 714-456-7720

NPI: 1093919680

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Individual (NPI-1) Active

JASON RANDOLPH ANDREWS MD

Internal Medicine, Infectious Disease

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 650-723-4000

NPI: 1851528343

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Individual (NPI-1) Active

JEAN-PIERRE E ANTAKI M.D.

Internal Medicine, Infectious Disease

📍801 S CHEVY CHASE DR, GLENDALE, CA, 91205

📞 818-242-5299

NPI: 1013972876

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Individual (NPI-1) Active

AYESHA ASHLEY APPA MD

Internal Medicine, Infectious Disease

📍1001 POTRERO AVE, SAN FRANCISCO, CA, 94110

📞 628-206-8000

NPI: 1538587712

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Individual (NPI-1) Active

TOMAS JAVIER ARAGON M.D., Dr.P.H.

Internal Medicine, Infectious Disease

📍101 GROVE ST, SAN FRANCISCO, CA, 94102

📞 415-787-2583

NPI: 1053633149

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Individual (NPI-1) Active

PUSHPALATHA V ARAKERE M.D.

Internal Medicine, Infectious Disease

📍7035 N MAPLE AVE, FRESNO, CA, 93720

📞 559-323-4987

NPI: 1154380343

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Individual (NPI-1) Active

ARUNMOZHI ARAVAGIRI-DO MD

Internal Medicine, Infectious Disease

📍26520 CACTUS AVE, MORENO VALLEY, CA, 92555

📞 951-486-4000

NPI: 1750888095

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Individual (NPI-1) Active

JONATHAN THOMAS ARCOBELLO M.D.

Internal Medicine, Infectious Disease

📍11234 ANDERSON ST # MC-1516, LOMA LINDA, CA, 92354

📞 909-558-4906

NPI: 1396131983

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Individual (NPI-1) Active

HENRY L ARGUINCHONA MD

Internal Medicine, Infectious Disease

📍624 E FRONT AVE, SPOKANE, WA, 99202

📞 509-626-9900

NPI: 1740228170

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Individual (NPI-1) Active

GEORGINA ARISTOTELOUS MD

Internal Medicine, Infectious Disease

📍2829 EUCLID AVE, CLEVELAND, OH, 44115

📞 216-357-3131

NPI: 1801084660

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🗺 Cities in California

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📊 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