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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 151–165 of 200 providers
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Organization (NPI-2) Active

MADERA PULMONARY AND SLEEP DISORDERS CENTER A MEDICAL CORPORA

Internal Medicine, Critical Care Medicine

📍1280 E ALMOND AVE, MADERA, CA, 93637

📞 559-673-9021

NPI: 1760415103

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Organization (NPI-2) Active

MAHFOUZ M. MICHAEL,M.D.,INC.

Family Medicine

📍825 N PARK AVE, POMONA, CA, 91768

📞 909-622-9988

NPI: 1609095660

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Organization (NPI-2) Active

MAHROO SABETI GHORBANIAN DENTAL CORP

Family Medicine, Sleep Medicine

📍10001 INDIANA AVE, RIVERSIDE, CA, 92503

📞 909-526-1914

NPI: 1295681153

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Organization (NPI-2) Active

MAN KONG LEUNG MD INC

Psychiatry & Neurology, Neurology

📍4466 BLACK AVE STE A, PLEASANTON, CA, 94566

📞 925-600-8220

NPI: 1982816344

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Organization (NPI-2) Active

MARC R LARSON DDS MS A DENTAL CORPORATION

Family Medicine, Sleep Medicine

📍6886 INDIANA AVE STE C, RIVERSIDE, CA, 92506

📞 951-546-4008

NPI: 1437800620

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Organization (NPI-2) Active

MARI HERNANDEZ PATEL DALEY HUFFORD MEDICAL ASSOCIATES PC

Internal Medicine, Sleep Medicine

📍1349 CAMINO DEL MAR F, DEL MAR, CA, 92014

📞 619-850-5683

NPI: 1003484577

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Organization (NPI-2) Active

MARK L STARR MD A MEDICAL CORPORATION

Internal Medicine, Critical Care Medicine

📍2220 LYNN RD, THOUSAND OAKS, CA, 91360

📞 805-496-6699

NPI: 1467772012

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Organization (NPI-2) Active

MARTA ZULIK MD INC

Internal Medicine, Pulmonary Disease

📍23625 HOLMAN HWY, MONTEREY, CA, 93940

📞 831-298-0702

NPI: 1780137034

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Organization (NPI-2) Active

MASTER SLEEP INC.

Family Medicine, Sleep Medicine

📍4533 VAN NUYS BLVD STE 302, SHERMAN OAKS, CA, 91403

📞 818-849-6755

NPI: 1215170469

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Organization (NPI-2) Active

MATT REZA KHOSHNEVIS MD A PROFESSIONAL CORPORATION

Internal Medicine, Pulmonary Disease

📍3851 KATELLA AVE, LOS ALAMITOS, CA, 90720

📞 562-626-8016

NPI: 1295104354

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Organization (NPI-2) Active

MED-LINE MEDICAL GROUP

Psychiatry & Neurology, Psychiatry

📍11387 POPLAR STREET, LOMA LINDA, CA, 92354

📞 617-299-6398

NPI: 1538058359

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Organization (NPI-2) Active

MED-LINE, LLC

Psychiatry & Neurology, Psychiatry

📍4133 NORTH LINCOLN BLVD, OKLAHOMA CITY, OK, 73105

📞 617-299-6398

NPI: 1447143482

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Organization (NPI-2) Active

MEMORIAL PULMONARY & SLEEP CONSULTANTS A MEDICAL GROUP, INC.

Internal Medicine, Sleep Medicine

📍701 E 28TH ST STE 318, LONG BEACH, CA, 90806

📞 562-290-8888

NPI: 1841200847

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Organization (NPI-2) Active

MODERN SLEEP PHYSICIANS OF CALIFORNIA

Psychiatry & Neurology, Sleep Medicine

📍99 ALMADEN BLVD STE 600, SAN JOSE, CA, 95113

📞 669-231-8700

NPI: 1295520070

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Organization (NPI-2) Active

MONTEVIDEO MEDICAL ASSOCIATES INC

Internal Medicine, Sleep Medicine

📍4121 BROCKTON AVE STE 104, RIVERSIDE, CA, 92501

📞 951-778-0032

NPI: 1124217179

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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