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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

MICHELLE L APPERSON M.D., Ph.D.

Psychiatry & Neurology, Neurology

📍4860 Y ST, SACRAMENTO, CA, 95817

📞 916-734-3588

NPI: 1568400265

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Individual (NPI-1) Active

MERVEEN APPU M.D.

Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology

📍9300 VALLEY CHILDRENS PL, MADERA, CA, 93636

📞 559-353-6215

NPI: 1194046193

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Individual (NPI-1) Active

SATEESH APTE MD

Psychiatry & Neurology, Neurology

📍PO BOX 3279, DANVILLE, CA, 94526

📞 925-998-6131

NPI: 1609051473

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Individual (NPI-1) Active

RAMONCITO E AQUITANIA MD

Psychiatry & Neurology, Neurology

📍8881 FLETCHER PARKWAY, LA MESA, CA, 91942

📞 619-667-2700

NPI: 1922185289

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Individual (NPI-1) Active

AHMET ARAC M.D.

Psychiatry & Neurology, Neurology

📍300 UCLA MEDICAL PLZ # B200, LOS ANGELES, CA, 90095

📞 310-794-1195

NPI: 1740623289

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Individual (NPI-1) Active

ROBERT ADAM ARBUCKLE M.D.

Psychiatry & Neurology, Neurology

📍8635 W 3RD ST # 866W, LOS ANGELES, CA, 90048

📞 310-385-6016

NPI: 1659663136

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Individual (NPI-1) Active

CHRIS ARCA MD

Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology

📍4149 CHESTNUT ST, RIVERSIDE, CA, 92501

📞 951-498-3661

NPI: 1275987216

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Individual (NPI-1) Active

ALLISON ARCH M.D.

Psychiatry & Neurology, Neurology

📍4101 TORRANCE BLVD, TORRANCE, CA, 90503

📞 310-374-8191

NPI: 1043509953

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Individual (NPI-1) Active

KIM LEIGH ARCHER PT

Physical Therapist, Pediatrics

📍23388 MULHOLLAND DR, WOODLAND HILLS, CA, 91364

📞 818-876-1006

NPI: 1598973323

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Individual (NPI-1) Active

JANETTA LORENZA ARELLANO MD

Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology

📍505 S MAIN ST STE 350, ORANGE, CA, 92868

📞 714-509-7982

NPI: 1700318763

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Individual (NPI-1) Active

MICHELLE ARMACOST M.D.

Psychiatry & Neurology, Neurology

📍7601 IMPERIAL HWY, DOWNEY, CA, 90242

📞 562-385-7555

NPI: 1609136316

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Individual (NPI-1) Active

DENISE ARMITAGE HAND P.T.

Physical Therapist

📍19 UPPER RAGSDALE DR, MONTEREY, CA, 93940

📞 831-643-1234

NPI: 1194865725

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Individual (NPI-1) Active

CARMEL ARMON MD

Psychiatry & Neurology, Neurology

📍11370 ANDERSON ST, LOMA LINDA, CA, 92354

📞 909-558-2880

NPI: 1295835916

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Individual (NPI-1) Active

CAREN MARR ARMSTRONG MD, PhD

Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology

📍4860 Y ST, SACRAMENTO, CA, 95817

📞 916-734-6280

NPI: 1215321864

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Individual (NPI-1) Active

TIMOTHY P. ARMSTRONG MD

Psychiatry & Neurology, Neurology

📍PEACEHEALTH MEDICAL GROUP, BELLINGHAM, WA, 98225

📞 360-788-6870

NPI: 1871641688

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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