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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 136–150 of 200 providers
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Organization (NPI-2) Active

DENNIS W DEL PAINE MD INC

Allergy & Immunology

📍5309 CARRINGTON CIRCLE, STOCKTON, CA, 95210

📞 209-951-4100

NPI: 1053590737

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Organization (NPI-2) Active

DERMATOLOGY DIVISION UNIVERSITY OF UTAH MEDICAL CENTER

Dermatology

📍50 N MEDICAL DR, SALT LAKE CITY, UT, 84132

📞 801-587-6340

NPI: 1922096114

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Organization (NPI-2) Active

DERMATOLOGY PATHOLOGY MEDICAL GROUP, INC

Dermatology, Dermatopathology

📍1007 LIVE OAK BLVD, YUBA CITY, CA, 95991

📞 530-673-3790

NPI: 1548456825

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Organization (NPI-2) Active

DESERT MEDICAL GROUP-DESERT SPECIALTY GROUP

Allergy & Immunology

📍69844 HIGHWAY 111, RANCHO MIRAGE, CA, 92270

📞 760-318-4869

NPI: 1487645933

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Organization (NPI-2) Active

DHA PATHALLERGY AND MEDICAL SERVICES

Internal Medicine, Allergy & Immunology

📍1301 20TH ST STE 280, SANTA MONICA, CA, 90404

📞 310-829-6789

NPI: 1295696896

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Organization (NPI-2) Active

DIGESTIVE HEALTH ASSOCIATES OF SOUTHERN CALIFORNIA

Pathology, Anatomic Pathology & Clinical Pathology

📍1301 20TH ST STE 280, SANTA MONICA, CA, 90404

📞 310-829-6789

NPI: 1043098619

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Organization (NPI-2) Active

DIGESTIVE HEALTH ASSOCIATES OF SOUTHERN CALIFORNIA

Internal Medicine, Allergy & Immunology

📍1301 20TH ST STE 280, SANTA MONICA, CA, 90404

📞 310-829-6789

NPI: 1972470730

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Organization (NPI-2) Active

DOCTORS ACCOUNTABLE CARE NETWORK

Internal Medicine

📍8211 ROCHESTER AVENUE, RANCHO CUCAMONGA, CA, 91730

📞 909-945-2425

NPI: 1619242401

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Organization (NPI-2) Active

DOSSIER HEALTH MANAGEMENT

Non-Pharmacy Dispensing Site

📍138 N BRAND BLVD STE 200-106, GLENDALE, CA, 91203

📞 818-823-4352

NPI: 1528570678

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Organization (NPI-2) Active

DOWNTOWN LA RESEARCH.INC

Allergy & Immunology, Clinical & Laboratory Immunology

📍1125 W 6TH ST STE 307, LOS ANGELES, CA, 90017

📞 213-261-3680

NPI: 1174985758

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Organization (NPI-2) Active

DR. BETHANY BARNES MEDICAL

Allergy & Immunology

📍955 CARRILLO DR STE 105, LOS ANGELES, CA, 90048

📞 323-332-9871

NPI: 1750739249

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Organization (NPI-2) Active

DR. NGUYEN & ASSOCIATES

Allergy & Immunology

📍8301 FLORENCE AVE STE 104, DOWNEY, CA, 90240

📞 562-862-1991

NPI: 1497951552

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Organization (NPI-2) Active

DR. ROGER L. NGUYEN, A CORPORATION

Allergy & Immunology, Allergy

📍9746 WESTMINSTER AVE STE A, GARDEN GROVE, CA, 92844

📞 714-638-4433

NPI: 1184141566

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Organization (NPI-2) Active

DR. ROGER NGUYEN, A CORPORATION

Allergy & Immunology

📍9746 WESTMINSTER AVE STE A, GARDEN GROVE, CA, 92844

📞 714-638-4433

NPI: 1821513870

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Organization (NPI-2) Active

DR. ROGER NGUYEN, A CORPORATION

Allergy & Immunology

📍9746 WESTMINSTER AVE STE A, GARDEN GROVE, CA, 92844

📞 714-638-4433

NPI: 1629594759

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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