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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 181–195 of 200 providers
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Organization (NPI-2) Active

DODDANNA KRISHNA M D A PROFESSIONAL CORPORATION

Internal Medicine, Pulmonary Disease

📍44215 15TH STREET WEST, LANCASTER, CA, 93534

📞 661-726-6600

NPI: 1902997661

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Organization (NPI-2) Active

DONALD R DOYLE MD INC A PROFESSIONAL CORP

Internal Medicine, Pulmonary Disease

📍1860 PENNSYLVANIA AVE, FAIRFIELD, CA, 94533

📞 707-646-4180

NPI: 1023347101

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Organization (NPI-2) Active

DONNER PASS MEDICAL ASSOCIATES

Internal Medicine

📍10956 DONNER PASS RD, TRUCKEE, CA, 96161

📞 530-582-6400

NPI: 1184778839

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Organization (NPI-2) Active

DR LOUSINE MELIK-ADAMYAN INC

Internal Medicine, Pulmonary Disease

📍5300 KATELLA AVE, LOS ALAMITOS, CA, 90720

📞 562-445-4443

NPI: 1730502360

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Organization (NPI-2) Active

DR. JENNIFER ISRAEL DO, INC

Internal Medicine, Pulmonary Disease

📍501 WASHINGTON ST STE 725, SAN DIEGO, CA, 92103

📞 619-299-2570

NPI: 1003651621

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Organization (NPI-2) Active

DRAYTON P GRAHAM A MEDICAL CORPORATION

Clinic/Center

📍4477 W 118TH ST, HAWTHORNE, CA, 90250

📞 310-970-1930

NPI: 1306149083

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Organization (NPI-2) Active

DRNAT CORP

Internal Medicine, Critical Care Medicine

📍1303 E HERNDON AVE, FRESNO, CA, 93720

📞 818-309-8384

NPI: 1629613393

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Organization (NPI-2) Active

DUC NGUYEN MD CORP

Internal Medicine, Pulmonary Disease

📍1177 ROADRUNNER WAY, SIMI VALLEY, CA, 93065

📞 805-520-1577

NPI: 1487842365

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Organization (NPI-2) Active

EARL S. YOUNG, MD, APC

Internal Medicine, Critical Care Medicine

📍50 BELLEFONTAINE ST STE 206, PASADENA, CA, 91105

📞 626-578-7557

NPI: 1790981678

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Organization (NPI-2) Active

EAST BAY PULMONARY GROUP

Internal Medicine, Pulmonary Disease

📍2070 CLINTON AVE, ALAMEDA, CA, 94501

📞 510-814-4089

NPI: 1720184716

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Organization (NPI-2) Active

EAST BAY REGIONAL CRITICAL CARE AND PULMONARY MEDICINE, INC.

Internal Medicine, Pulmonary Disease

📍411 30TH ST, OAKLAND, CA, 94609

📞 510-465-6800

NPI: 1255385415

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Organization (NPI-2) Active

EAST BAY SLEEP MEDICAL GROUP

Internal Medicine, Pulmonary Disease

📍2151 APPIAN WAY, PINOLE, CA, 94564

📞 510-741-2525

NPI: 1134130800

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Organization (NPI-2) Active

EAST LAKE MEDICAL, LLC

Internal Medicine, Pulmonary Disease

📍841 KUHN DR STE 200, CHULA VISTA, CA, 91914

📞 619-482-7301

NPI: 1700121464

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Organization (NPI-2) Active

EDWARD C FEDERMAN M D INC

Internal Medicine, Pulmonary Disease

📍6699 ALVARADO RD STE 2309, SAN DIEGO, CA, 92120

📞 619-286-8803

NPI: 1457450553

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Organization (NPI-2) Active

EDWARD KLEIN, M.D. AMC

Internal Medicine, Pulmonary Disease

📍1141 W REDONDO BEACH BLVD, GARDENA, CA, 90247

📞 310-532-8124

NPI: 1780874636

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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