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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

KEVIN MICHAEL IZQUIERDO MD

Surgery

📍5565 W LAS POSITAS BLVD STE 260, PLEASANTON, CA, 94588

📞 925-416-5470

NPI: 1922361641

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Organization (NPI-2) Active

J PETER ZEGARRA MD INC

Colon & Rectal Surgery

📍87 SCRIPPS DR STE 300, SACRAMENTO, CA, 95825

📞 916-923-0620

NPI: 1710561865

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Individual (NPI-1) Active

ZIYAD BAHIJE JABAJI M.D.

Colon & Rectal Surgery

📍16405 SAND CANYON AVE STE 280, IRVINE, CA, 92618

📞 949-557-0370

NPI: 1366760514

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Individual (NPI-1) Active

DOREEN ONIPEDE JACKSON MD

Colon & Rectal Surgery

📍101 BODIN CIRCLE, TRAVIS AIR FORCE BASE, CA, 94535

📞 919-753-6879

NPI: 1649615287

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Organization (NPI-2) Active

JEFFREY P. LAKE, M.D., INC.

Colon & Rectal Surgery

📍16311 VENTURA BLVD, ENCINO, CA, 91436

📞 818-387-8725

NPI: 1639487002

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Organization (NPI-2) Active

JEFFREY R. TOMAN, M.D., P.C.

Colon & Rectal Surgery

📍4060 FOURTH AVE, SAN DIEGO, CA, 92103

📞 619-686-4011

NPI: 1437481942

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Individual (NPI-1) Active

THEODORE JAMES JEKUMS M.D.

Surgery

📍1801 W ROMNEYA DR, ANAHEIM, CA, 92801

📞 714-535-4747

NPI: 1982666152

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Individual (NPI-1) Active

CHRISTINA JENKINS MD

Colon & Rectal Surgery

📍26691 PLAZA STE 150, MISSION VIEJO, CA, 92691

📞 949-348-2900

NPI: 1881035814

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Organization (NPI-2) Active

JOHN B HACKERT MD INC

Colon & Rectal Surgery

📍1641 CREEKSIDE DR, FOLSOM, CA, 95630

📞 916-984-9700

NPI: 1568677623

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Organization (NPI-2) Active

JOHN MUIR CALL COVERAGE MEDICAL GROUP, INC.

Internal Medicine, Critical Care Medicine

📍1601 YGNACIO VALLEY RD, WALNUT CREEK, CA, 94598

📞 925-682-8200

NPI: 1306056262

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Organization (NPI-2) Active

JOHN S WADE MD INC

Colon & Rectal Surgery

📍6067 N FRESNO ST, FRESNO, CA, 93710

📞 559-436-0606

NPI: 1316216971

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Organization (NPI-2) Active

JOSE C MUNIZ CASTRO MD INC

Colon & Rectal Surgery

📍71943 HIGHWAY 111, RANCHO MIRAGE, CA, 92270

📞 760-776-7600

NPI: 1740964766

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Organization (NPI-2) Active

JOSEPH M MATTHEWS MD INC

Colon & Rectal Surgery

📍2 GOVERNORS LN, CHICO, CA, 95926

📞 530-891-4523

NPI: 1417267766

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Individual (NPI-1) Active

ANDREAS M. KAISER M.D.

Colon & Rectal Surgery

📍1500 DUARTE RD, DUARTE, CA, 91010

📞 626-256-4673

NPI: 1720092679

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Individual (NPI-1) Active

JENNIFER KAPLAN M.D.

Colon & Rectal Surgery

📍1100 9TH AVE, SEATTLE, WA, 98101

📞 206-341-0060

NPI: 1205135530

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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