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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 31–45 of 200 providers
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Organization (NPI-2) Active

ALLERGY AND ASTHMA CONSULTANTS PC

Internal Medicine, Allergy & Immunology

📍369 MAIN ST STE 200, REDWOOD CITY, CA, 94063

📞 650-216-6111

NPI: 1346770567

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Organization (NPI-2) Active

ALLERGY AND ASTHMA INSTITUTE OF THE VALLEY

Allergy & Immunology

📍10515 BALBOA BLVD, GRANADA HILLS, CA, 91344

📞 818-366-8112

NPI: 1245383009

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Organization (NPI-2) Active

ALLERGY AND ASTHMA SPECIALIST DOCTORS, INC.

Allergy & Immunology

📍94 N MADISON AVE, PASADENA, CA, 91101

📞 818-558-5828

NPI: 1245794866

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Organization (NPI-2) Active

ALLERGY AND ASTHMA SPECIALTY CENTER INC

Allergy & Immunology

📍9220 HAVEN AVE, RANCHO CUCAMONGA, CA, 91730

📞 909-944-9058

NPI: 1669845442

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Organization (NPI-2) Active

ALLERGY AND ASTHMA TREATMENT CENTER P C

Allergy & Immunology

📍1131 N PACIFIC AVE, GLENDALE, CA, 91202

📞 818-558-5828

NPI: 1225467590

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Organization (NPI-2) Active

ALLERGY AND IMMUNOLOGY CLINIC OF EAST BAY INC

Allergy & Immunology

📍2320 WOOLSEY ST, BERKELEY, CA, 94705

📞 925-270-5119

NPI: 1477879609

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Organization (NPI-2) Active

ALLERGY ASSOCIATES MEDICAL GROUP INC

Allergy & Immunology

📍6386 ALVARADO COURT, SAN DIEGO, CA, 92120

📞 619-286-6687

NPI: 1134333073

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Organization (NPI-2) Active

ALLERGY ASTHMA & RESPIRATORY CARE CENTER

Allergy & Immunology

📍2600 REDONDO AVE, LONG BEACH, CA, 90806

📞 562-997-7888

NPI: 1497719447

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Organization (NPI-2) Active

ALLERGY ASTHMA AND IMMUNOLOGY CARE SPECIALIST INC

Allergy & Immunology

📍23838 VALENCIA BLVD, VALENCIA, CA, 91355

📞 310-559-8276

NPI: 1306021225

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Organization (NPI-2) Active

ALLERGY ASTHMA CARE CENTER, INC

Allergy & Immunology

📍11500 W OLYMPIC BLVD STE 630, LOS ANGELES, CA, 90064

📞 310-393-1550

NPI: 1891758751

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Organization (NPI-2) Active

ALLERGY ASTHMA CLINIC BURLINGAME, INCORPORATED

Allergy & Immunology

📍1828 EL CAMINO REAL STE 703, BURLINGAME, CA, 94010

📞 650-692-1892

NPI: 1083133649

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Organization (NPI-2) Active

ALLERGY ASTHMA CONSULTANTS OF THE INLAND EMPIRE INC

Allergy & Immunology, Allergy

📍375 TERRACINA BLVD, REDLANDS, CA, 92373

📞 909-335-2600

NPI: 1972621860

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Organization (NPI-2) Active

ALLERGY ASTHMA RESPIRATORY & SINUS CENTER

Allergy & Immunology

📍207 S SANTA ANITA AVE, SAN GABRIEL, CA, 91776

📞 626-284-7000

NPI: 1447400353

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Organization (NPI-2) Active

ALLERGY ASTHMA SINUS MEDICAL CENTER

Allergy & Immunology, Clinical & Laboratory Immunology

📍4644 LINCOLN BLVD STE 410, MARINA DEL REY, CA, 90292

📞 310-823-6766

NPI: 1083857742

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Organization (NPI-2) Active

ALLERGY ASTHMA SINUSITIS MEDICAL CLINIC INC

Allergy & Immunology, Allergy

📍11832 ROSECRANS AVE # 200, NORWALK, CA, 90650

📞 562-864-4500

NPI: 1528426053

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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