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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 76–90 of 200 providers
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Organization (NPI-2) Active

CHAPARRAL MEDICAL GROUP, INC

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍138 HARVARD AVE, CLAREMONT, CA, 91711

📞 909-624-4503

NPI: 1467102491

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Organization (NPI-2) Active

CHAPARRAL MEDICAL GROUP, INC.

Internal Medicine, Cardiovascular Disease

📍5475 WALNUT AVE UNIT C, CHINO, CA, 91710

📞 909-465-0209

NPI: 1821554866

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Organization (NPI-2) Active

CHAPARRAL MEDICAL GROUP, INC.

Internal Medicine

📍1866 N ORANGE GROVE AVE, POMONA, CA, 91767

📞 909-623-8796

NPI: 1437111028

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Organization (NPI-2) Active

CHAPARRAL MEDICAL GROUP, INC.

Dermatology

📍9190 HAVEN AVENUE, RANCHO CUCAMONGA, CA, 91730

📞 909-581-6732

NPI: 1093777666

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Organization (NPI-2) Active

CHAPARRAL MEDICAL GROUP, INC.

Clinic/Center, Urgent Care

📍520 E. FOOTHILL BLVD. SUITES C & A, POMONA, CA, 91767

📞 909-398-4895

NPI: 1598122418

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Organization (NPI-2) Active

CHAPARRAL MEDICAL GROUP, INC.

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍9170 HAVEN AVE, RANCHO CUCAMONGA, CA, 91730

📞 909-467-8700

NPI: 1376940221

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Organization (NPI-2) Active

CHAPARRAL SPECIALTY MEDICAL GROUP, INC.

Internal Medicine, Cardiovascular Disease

📍1904 N ORANGE GROVE AVE, POMONA, CA, 91767

📞 909-469-1823

NPI: 1366864654

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Organization (NPI-2) Active

CHARLES A MULRY MD INC

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍8920 WILSHIRE BLVD, BEVERLY HILLS, CA, 90211

📞 310-289-2415

NPI: 1720112246

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Organization (NPI-2) Active

CHARLES N LE MEDICAL ALLIANCE

Internal Medicine

📍4440 EUCLID AVE STE A, SAN DIEGO, CA, 92115

📞 619-521-6812

NPI: 1225651508

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Organization (NPI-2) Active

CHRIS K GUERIN

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍3927 WARING RD, OCEANSIDE, CA, 92056

📞 760-941-9850

NPI: 1508206707

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Organization (NPI-2) Active

CHRIS TSIMEREKIS, M.D., INC.

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍11100 WARNER AVE, FOUNTAIN VALLEY, CA, 92708

📞 714-549-9927

NPI: 1801907704

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Organization (NPI-2) Active

CHRISTIAN J. GASTELUM, INC.

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍15227 BERNARD CT, HACIENDA HEIGHTS, CA, 91745

📞 626-252-5559

NPI: 1689966467

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Organization (NPI-2) Active

CHRYSALIS HEALTH OF CALIFORNIA, PC

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍4470 W SUNSET BLVD # 92709, LOS ANGELES, CA, 90027

📞 424-334-9213

NPI: 1407324379

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Organization (NPI-2) Active

CHUKWUKA AKAMNONU MD INC

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍2815 S MAIN ST STE 200, CORONA, CA, 92882

📞 951-951-0599

NPI: 1831996982

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Organization (NPI-2) Active

CITY HEALTH, A MEDICAL CORPORATION

Clinic/Center, Multi-Specialty

📍201 DOLORES AVE, SAN LEANDRO, CA, 94577

📞 510-971-2489

NPI: 1477940187

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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