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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 1–15 of 200 providers
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Individual (NPI-1) Active

DAVID S. AARONSON MD

Urology

📍275 W MACARTHUR BLVD, OAKLAND, CA, 94611

📞 510-752-1000

NPI: 1215053129

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Organization (NPI-2) Active

AB GYNECOLOGY & UROLOGY MEDICAL INSTITUTION, INC.

Obstetrics & Gynecology, Gynecology

📍18800 DELAWARE ST STE 550, HUNTINGTON BEACH, CA, 92648

📞 714-375-3600

NPI: 1205494838

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Individual (NPI-1) Active

JASON CRAIG ABBER MD

Urology

📍13652 CANTARA ST, PANORAMA CITY, CA, 91402

📞 841-375-2165

NPI: 1356366926

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Individual (NPI-1) Active

MARC A ABBOUD MD

Urology

📍3771 KATELLA AVE STE 210, LOS ALAMITOS, CA, 90720

📞 562-430-0581

NPI: 1265096531

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Individual (NPI-1) Active

GEORGE ABDELSAYED

Urology

📍3430 E LA PALMA AVE, ANAHEIM, CA, 92806

📞 310-920-3544

NPI: 1568721843

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Organization (NPI-2) Active

ABDO J. FADDOUL, M.D. A PROF CORP

Urology

📍2 MEDICAL PLAZA, ROSEVILLE, CA, 95661

📞 916-786-3100

NPI: 1134434764

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Individual (NPI-1) Active

GAREN ABEDI

Urology

📍11411 BROOKSHIRE AVE STE 508, DOWNEY, CA, 90241

📞 562-923-0706

NPI: 1285909051

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Individual (NPI-1) Active

JENNIFER ABIDARI MD

Urology

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 650-723-4000

NPI: 1811098197

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Individual (NPI-1) Active

SHERIF R ABOSEIF MD

Urology

📍1901 HOLSER WALK STE 310, OXNARD, CA, 93036

📞 818-805-9735

NPI: 1093882995

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Individual (NPI-1) Active

PARWIZ ABRAHIMI M.D., Ph.D.

Urology

📍8635 W 3RD ST STE 1070W, LOS ANGELES, CA, 90048

📞 310-423-4700

NPI: 1154857613

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Individual (NPI-1) Active

AUGUST ACCETTA M.D.

Obstetrics & Gynecology, Gynecology

📍9730 BRIMHALL RD STE 1, BAKERSFIELD, CA, 93312

📞 661-663-0818

NPI: 1265506893

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Organization (NPI-2) Active

ACCURATE PRECISION UROLOGY

Urology

📍100 WILLOW PLZ STE 201, VISALIA, CA, 93291

📞 559-734-0388

NPI: 1700738085

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Individual (NPI-1) Active

ANNE L. ACKERMAN M.D.

Urology, Urogynecology and Reconstructive Pelvic Surgery

📍200 UCLA MEDICAL PLZ STE 140, LOS ANGELES, CA, 90095

📞 310-794-7700

NPI: 1760610711

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Individual (NPI-1) Active

ANTHONY M. ACQUAVIVA MD

Urology

📍975 SERENO DR, VALLEJO, CA, 94589

📞 707-651-1000

NPI: 1457439283

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Organization (NPI-2) Active

ACUTE CARE SURGERY OF SOUTH DAKOTA PC

Orthopaedic Surgery

📍1635 CAREGIVER CIR, RAPID CITY, SD, 57702

📞 916-441-0400

NPI: 1730797184

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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