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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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Organization (NPI-2) Active

ALLEN S MATHEW MD

Internal Medicine, Nephrology

📍2316 HARRISON AVE, EUREKA, CA, 95501

📞 707-444-2534

NPI: 1780944579

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Organization (NPI-2) Active

ALLIANCE HOSPITALIST MEDICAL CORPORATION

Internal Medicine, Nephrology

📍3300 E SOUTH ST STE 307, LAKEWOOD, CA, 90805

📞 562-630-3111

NPI: 1326609496

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Organization (NPI-2) Active

ALLIANCE MEDICAL GROUP, INC.

Internal Medicine

📍2160 APPIAN WAY, PINOLE, CA, 94564

📞 510-724-9110

NPI: 1750327151

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Organization (NPI-2) Active

AMISTAD MULTI SPECIALTY MEDICAL GROUP INC.

Internal Medicine, Cardiovascular Disease

📍201 S BROADWAY, SANTA ANA, CA, 92701

📞 714-571-4941

NPI: 1912556721

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Organization (NPI-2) Active

AMITY MEDICAL GROUP, INC.

Hospitalist

📍2080 CENTURY PARK E STE 608, LOS ANGELES, CA, 90067

📞 310-801-8333

NPI: 1164972345

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Organization (NPI-2) Active

AN MEDICAL CENTER

Internal Medicine, Nephrology

📍8102 WESTMINSTER BLVD STE E, WESTMINSTER, CA, 92683

📞 714-808-3080

NPI: 1891667721

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Organization (NPI-2) Active

ANDREW ROSS MD INC

Internal Medicine, Nephrology

📍2428 CASTILLO ST STE A, SANTA BARBARA, CA, 93105

📞 805-682-2541

NPI: 1760984959

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Organization (NPI-2) Active

ANDY HONG MD INC

Internal Medicine, Nephrology

📍3625 MARTIN LUTHER KING JR BLVD, LYNWOOD, CA, 90262

📞 319-763-7504

NPI: 1871604728

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Organization (NPI-2) Active

ANJANA V. KAMDAR, M.D., INC.

Internal Medicine, Nephrology

📍1701 E CESAR E CHAVEZ AVE, LOS ANGELES, CA, 90033

📞 323-264-4300

NPI: 1871646604

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Organization (NPI-2) Active

AP MEDICAL GROUP INC

Internal Medicine, Nephrology

📍500 N GARFIELD AVE STE 306, MONTEREY PARK, CA, 91754

📞 626-662-7272

NPI: 1891449963

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Organization (NPI-2) Active

APEX HEALTHCARE MEDICAL CENTER INC

Internal Medicine, Nephrology

📍1515 W FLORIDA AVE, HEMET, CA, 92543

📞 951-929-1333

NPI: 1164799425

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Organization (NPI-2) Active

APPLIED MEDICAL TECHNOLOGIES INC.

Internal Medicine, Nephrology

📍11859 COMPTON AVE, LOS ANGELES, CA, 90059

📞 323-563-1140

NPI: 1700814373

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Organization (NPI-2) Active

ARROYO NEPHROLOGY ASSOCIATES

Internal Medicine, Nephrology

📍301 S FAIR OAKS AVE STE 405, PASADENA, CA, 91105

📞 626-794-7075

NPI: 1033490453

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Organization (NPI-2) Active

ARTURO LIM MD INC

Internal Medicine, Nephrology

📍711 N ALVARADO STREET, LOS ANGELES, CA, 90026

📞 213-413-2625

NPI: 1912918640

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Organization (NPI-2) Active

ASHOK S. RAJ, M.D., INC.

Internal Medicine, Nephrology

📍2750 E WASHINGTON BLVD, PASADENA, CA, 91107

📞 626-794-7075

NPI: 1700815784

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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