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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 181–195 of 200 providers
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Individual (NPI-1) Active

MARTIN CAHA MD

Allergy & Immunology

📍5776 RUFFIN RD, SAN DIEGO, CA, 92123

📞 858-292-1144

NPI: 1720548209

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Organization (NPI-2) Active

CALIFORNIA ALLERGY & ASTHMA MEDICAL GROUP INC

Allergy & Immunology

📍11645 WILSHIRE BLVD, LOS ANGELES, CA, 90025

📞 310-966-9022

NPI: 1992866230

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Organization (NPI-2) Active

CALIFORNIA ALLERGY INSTITUTE, INC.

Allergy & Immunology

📍3095 OLD CONEJO RD STE 400, THOUSAND OAKS, CA, 91320

📞 888-367-1850

NPI: 1437963725

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Organization (NPI-2) Active

CALIFORNIA COMPREHENSIVE ALLERGY AND FOOD INSTITUTE, P.C.

Allergy & Immunology

📍44045 MARGARITA RD STE 103, TEMECULA, CA, 92592

📞 949-412-0030

NPI: 1205718731

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Individual (NPI-1) Active

JENNIFER MICHELLE CAMACHO MD

Allergy & Immunology

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 650-723-4000

NPI: 1508090192

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Organization (NPI-2) Active

CAMINO MEDICAL GROUP

Family Medicine

📍301 OLD SAN FRANCISCO RD, SUNNYVALE, CA, 94086

📞 408-739-6000

NPI: 1417003195

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Individual (NPI-1) Active

SARAH CAMPBELL MD

Allergy & Immunology

📍2320 BATH ST STE 303, SANTA BARBARA, CA, 93105

📞 805-682-7385

NPI: 1750910501

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Individual (NPI-1) Active

NICOLE CANON MD

Allergy & Immunology

📍1 QUALITY DR, VACAVILLE, CA, 95688

📞 707-624-2020

NPI: 1104288398

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Individual (NPI-1) Active

ETHAN ABRAHAM CANTY MD

Allergy & Immunology

📍5776 RUFFIN RD, SAN DIEGO, CA, 92123

📞 858-966-4900

NPI: 1790312536

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Organization (NPI-2) Active

CAPITAL ALLERGY AND RESPIRATORY DISEASE CENTER A MED CORP

Allergy & Immunology, Allergy

📍5609 J STREET, SACRAMENTO, CA, 95819

📞 916-453-8696

NPI: 1629191267

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Individual (NPI-1) Active

JULINE NATALIA CARABALLO FONSECA M.D.

Allergy & Immunology

📍130 STONY POINT RD STE E, SANTA ROSA, CA, 95401

📞 707-525-0211

NPI: 1992146948

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Individual (NPI-1) Active

GEOFFREY S CARLSON MD

Internal Medicine, Allergy & Immunology

📍101 BODIN CIR, TRAVIS AFB, CA, 94535

📞 707-423-5107

NPI: 1174865588

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Individual (NPI-1) Active

WARNER W CARR MD

Allergy & Immunology, Allergy

📍28202 CABOT RD STE 105, LAGUNA NIGUEL, CA, 92677

📞 949-364-2900

NPI: 1184798001

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Individual (NPI-1) Active

WALLACE B CARROLL MD

Allergy & Immunology, Allergy

📍600 COFFEE RD, MODESTO, CA, 95355

📞 209-524-1211

NPI: 1003874124

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Individual (NPI-1) Active

SUZANNE CASSEL MD

Internal Medicine, Allergy & Immunology

📍8700 BEVERLY BLVD STE AC1150, WEST HOLLYWOOD, CA, 90048

📞 310-423-8784

NPI: 1316164015

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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