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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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Individual (NPI-1) Active

DAVID N. AGUILAR M.D.

Anesthesiology

📍1600 N ROSE AVE, OXNARD, CA, 93030

📞 805-988-2500

NPI: 1568484921

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Individual (NPI-1) Active

JORGE AGUILAR M.D.

Anesthesiology

📍2175 N CALIFORNIA BLVD STE 425, WALNUT CREEK, CA, 94596

📞 925-543-0140

NPI: 1275777641

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Individual (NPI-1) Active

JANELL AGUIRRE MD

Anesthesiology, Pediatric Anesthesiology

📍2425 STOCKTON BLVD, SACRAMENTO, CA, 95817

📞 916-453-2191

NPI: 1508285834

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Individual (NPI-1) Active

RICARDO JESUS AGUIRRE M.D.

Anesthesiology, Pain Medicine

📍1300 W 7TH ST, SAN PEDRO, CA, 90732

📞 310-792-0601

NPI: 1831298389

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Individual (NPI-1) Active

FARSHAD M AHADIAN M.D.

Anesthesiology, Pain Medicine

📍9310 CAMPUS POINT DR, LA JOLLA, CA, 92037

📞 858-657-7072

NPI: 1205854247

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Individual (NPI-1) Active

BAHAR M AHADY M.D.

Anesthesiology

📍2840 SE CLEVELAND DR, GRESHAM, OR, 97080

📞 971-222-8770

NPI: 1144724428

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Individual (NPI-1) Active

JULIANNE AHDOUT MD

Anesthesiology

📍8700 BEVERLY BLVD # 8211, WEST HOLLYWOOD, CA, 90048

📞 310-423-5841

NPI: 1457888687

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Individual (NPI-1) Active

PATRICK AHERN MD

Anesthesiology, Pain Medicine

📍1 MEDICAL PLAZA DRIVE, IRVINE, CA, 92697

📞 949-824-7246

NPI: 1154883072

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Individual (NPI-1) Active

NILS THOMAS AHLBERG MD

Anesthesiology

📍900 HYDE ST, SAN FRANCISCO, CA, 94109

📞 415-353-6000

NPI: 1831149400

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Individual (NPI-1) Active

SCOTT MICHAEL AHLBRAND M.D.

Anesthesiology, Critical Care Medicine

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 650-723-7377

NPI: 1871789354

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Individual (NPI-1) Active

JOHN R AHLERING MD

Anesthesiology

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 650-723-4000

NPI: 1568413961

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Individual (NPI-1) Active

NAVNEET S AHLUWALIA MD

Anesthesiology

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 650-723-4000

NPI: 1043352032

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Organization (NPI-2) Active

AHMAD NASSERIAN MD INC

Anesthesiology

📍23550 HAWTHORNE BLVD STE 210, TORRANCE, CA, 90505

📞 310-209-7700

NPI: 1033556485

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Individual (NPI-1) Active

YUSUF HAROON AHMAD MD

Anesthesiology

📍1200 B GALE WILSON BLVD, FAIRFIELD, CA, 94533

📞 707-646-5000

NPI: 1104020262

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Individual (NPI-1) Active

ZUBIA SYED AHMAD MD

Internal Medicine

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

📞 408-730-4360

NPI: 1265879522

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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