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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 16–30 of 200 providers
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Organization (NPI-2) Active

ANTELOPE VALLEY LUNG & SLEEP INSTITUTE, INC

Internal Medicine, Pulmonary Disease

📍44105 15TH ST W STE 303, LANCASTER, CA, 93534

📞 661-945-8717

NPI: 1497212898

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Organization (NPI-2) Active

ANTELOPE VALLEY LUNG & SLEEP INSTITUTE, INC

Internal Medicine, Pulmonary Disease

📍1331 W AVENUE J STE 101, LANCASTER, CA, 93534

📞 661-945-8717

NPI: 1194280453

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Organization (NPI-2) Active

ANTHER MEDICAL CORPORATION

Pediatrics, Sleep Medicine

📍1290 E SPRUCE AVE STE 103, FRESNO, CA, 93720

📞 323-382-5753

NPI: 1760932230

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Organization (NPI-2) Active

APOLLO FAMILY MEDICINE AND SLEEP MEDICINE INC

Family Medicine

📍1828 EL CAMINO REAL, BURLINGAME, CA, 94010

📞 650-697-4195

NPI: 1487032900

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Organization (NPI-2) Active

APOLLO FAMILY MEDICINE AND SLEEP MEDICINE INC

Family Medicine

📍950 STOCKTON ST, SAN FRANCISCO, CA, 94108

📞 415-398-9861

NPI: 1619275021

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Organization (NPI-2) Active

ARCH HEALTH PARTNERS, INC

Family Medicine

📍15611 POMERADO RD STE 400, POWAY, CA, 92064

📞 858-675-3100

NPI: 1649851619

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Organization (NPI-2) Active

ASHIM ARORA A MEDICAL CORPORATION

Internal Medicine, Pulmonary Disease

📍158 MACAW LN, SIMI VALLEY, CA, 93065

📞 805-584-1930

NPI: 1912972126

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Organization (NPI-2) Active

ASHISH B PATEL MD INC

Internal Medicine, Pulmonary Disease

📍10 CONGRESS ST STE 155, PASADENA, CA, 91105

📞 626-486-0181

NPI: 1164786893

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Organization (NPI-2) Active

ASHRAF ELSAYEGH MD A PROFESSIONAL CORPORATION

Internal Medicine, Pulmonary Disease

📍2080 CENTURY PARK E STE 507, LOS ANGELES, CA, 90067

📞 310-556-0335

NPI: 1861692667

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Organization (NPI-2) Active

ASSIST MEDICAL SERVICES

Internal Medicine, Addiction Medicine

📍1431 WARNER AVE STE A, TUSTIN, CA, 92780

📞 509-945-9977

NPI: 1104222371

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Organization (NPI-2) Active

AVIISHA MEDICAL CORPORATION

Internal Medicine

📍415 ROLLING OAKS DR, THOUSAND OAKS, CA, 91361

📞 323-857-1682

NPI: 1477780229

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Organization (NPI-2) Active

BAHRAM ALAVYNEJAD, MD, INC.

Internal Medicine, Sleep Medicine

📍235 E IMPERIAL HWY, BREA, CA, 92821

📞 714-255-8000

NPI: 1396877213

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Organization (NPI-2) Active

BAKERSFIELD SLEEP CENTER

Internal Medicine, Sleep Medicine

📍1141 PACIFIC ST STE F, SAN LUIS OBISPO, CA, 93401

📞 661-873-4911

NPI: 1881060499

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Organization (NPI-2) Active

BAKERSFIELD SLEEP CENTER INC

Internal Medicine, Sleep Medicine

📍1400 EASTON DR STE 110, BAKERSFIELD, CA, 93309

📞 661-873-4911

NPI: 1992050165

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Organization (NPI-2) Active

BALDEV S RAI MD INC

Psychiatry & Neurology, Neurology

📍4234 RIVERWALK PKWY STE 280, RIVERSIDE, CA, 92505

📞 951-785-7190

NPI: 1124248844

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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