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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 196–200 of 200 providers
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Organization (NPI-2) Active

DOCS MEDICAL GROUP INC

Internal Medicine, Gastroenterology

📍2147 COURT ST, REDDING, CA, 96001

📞 530-243-8667

NPI: 1063457620

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Organization (NPI-2) Active

DONALD J PORTOCARRERO D O INC

Internal Medicine, Gastroenterology

📍623 W DUARTE RD STE 8, ARCADIA, CA, 91007

📞 626-461-5408

NPI: 1144824285

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Organization (NPI-2) Active

DONALD J. RITT MD, INC

Internal Medicine, Gastroenterology

📍9850 GENESEE AVE STE 930, LA JOLLA, CA, 92037

📞 858-373-0212

NPI: 1912085986

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Organization (NPI-2) Active

DONALD LIPKIS, MD INC

Internal Medicine, Gastroenterology

📍6719 ALVARADO RD, SAN DIEGO, CA, 92120

📞 619-287-9100

NPI: 1689686941

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Organization (NPI-2) Active

DONALD R. ABRAHM M.D., INC

Internal Medicine, Gastroenterology

📍1525 SUPERIOR AVE, NEWPORT BEACH, CA, 92663

📞 949-631-2670

NPI: 1366617839

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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