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© 2026 NPI Telehealth

US Registry Operational
CMS Source

Informational purposes only — not medical advice. Always consult a professional. Data updated weekly. Read full disclaimer.

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Online Doctors in FONTANA, CA | Telehealth & Virtual Care | NPI Telehealth | NPI Telehealth
LOCAL HEALTHCARE DIRECTORY 2026

DOCTORS IN
FONTANA.

Find and book verified care in FONTANA, CA. Access NPI credentials sourced from federal records, patient ratings, and virtual care availability.

Data refreshed: April 12, 2026•Source: CMS NPPES

PROVIDERS

Active medical practitioners in FONTANA jurisdiction.

75 ENTRIES FOUND
NPI: 1740349323
VIRTUAL ACTIVE

Antony T. Lin, MD

MD

NPI DATA 2026
Fontana, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1720779127
VIRTUAL ACTIVE

Trisha Jane Paniagua

Healthcare Provider

NPI DATA 2026
Fontana, CA
OFFICIAL REGISTRY DATA
3+ Years Exp.
ACCESS PROFILE
NPI: 1720475478
VIRTUAL ACTIVE

GUILLERMO SAENZ ZAVALA, MD

MD

NPI DATA 2026
FONTANA, CA
OTHER (2012)
11+ Years Exp.
ACCESS PROFILE
NPI: 1720223845
VIRTUAL ACTIVE

Kulwant Singh, D.O.

D.O.

NPI DATA 2026
Fontana, CA
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
NPI: 1679678916
VIRTUAL ACTIVE

RUBIN C LIN, D.O.

D.O.

NPI DATA 2026
FONTANA, CA
MIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED (2003)
20+ Years Exp.
ACCESS PROFILE
NPI: 1598937468
VIRTUAL ACTIVE

Ela Grigorian, MD

MD

NPI DATA 2026
Fontana, CA
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
NPI: 1598916090
VIRTUAL ACTIVE

David Roberto Avila, RN

RN

NPI DATA 2026
Fontana, CA
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
NPI: 1568773448
VIRTUAL ACTIVE

Xu Long He, D.O

D.O

NPI DATA 2026
Fontana, CA
Michigan State University College of Osteopathic Medicine (2010)
16+ Years Exp.
ACCESS PROFILE
NPI: 1568669976
VIRTUAL ACTIVE

PETER WAI KAY LEUNG, DO

DO

NPI DATA 2026
FONTANA, CA
OTHER (2007)
19+ Years Exp.
ACCESS PROFILE
NPI: 1568669893
VIRTUAL ACTIVE

Bruce S. Heischober

Healthcare Provider

NPI DATA 2026
Fontana, CA
Loma Linda University School of Medicine (1979)
19+ Years Exp.
ACCESS PROFILE
NPI: 1558725952
VIRTUAL ACTIVE

Johnathan Shaw

Healthcare Provider

NPI DATA 2026
Fontana, CA
Lewis Katz School of Medicine at Temple University (2016)
10+ Years Exp.
ACCESS PROFILE
NPI: 1518470921
VIRTUAL ACTIVE

Carla Iris Gonzalez, FNP-C

FNP-C

NPI DATA 2026
Fontana, CA
OFFICIAL REGISTRY DATA
9+ Years Exp.
ACCESS PROFILE
NPI: 1518163096
VIRTUAL ACTIVE

Daniel Morris Siegel

Healthcare Provider

NPI DATA 2026
Fontana, CA
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1508925249
VIRTUAL ACTIVE

Norman Cueto Ragaza, MD

MD

NPI DATA 2026
Fontana, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1508825027
VIRTUAL ACTIVE

Faramarz Alav, M.D.

M.D.

NPI DATA 2026
Fontana, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1508212499
VIRTUAL ACTIVE

DEBBIE CHANG, M.D.

M.D.

NPI DATA 2026
FONTANA, CA
CREIGHTON UNIVERSITY SCHOOL OF MEDICINE (2016)
10+ Years Exp.
ACCESS PROFILE
NPI: 1508151036
VIRTUAL ACTIVE

Brandon Tong, D.O.

D.O.

NPI DATA 2026
Fontana, CA
OFFICIAL REGISTRY DATA
15+ Years Exp.
ACCESS PROFILE
NPI: 1508117565
VIRTUAL ACTIVE

Ivan Zubkov, M.D.

M.D.

NPI DATA 2026
Fontana, CA
Loma Linda University School of Medicine (2012)
14+ Years Exp.
ACCESS PROFILE
NPI: 1497796189
VIRTUAL ACTIVE

JOSEPH SZE-TSU CHAN, M.D.

M.D.

NPI DATA 2026
FONTANA, CA
VANDERBILT UNIVERSITY SCHOOL OF MEDICINE (2001)
20+ Years Exp.
ACCESS PROFILE
NPI: 1477524320
VIRTUAL ACTIVE

Atul Bembi, D.O.

D.O.

NPI DATA 2026
Fontana, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
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Specialties in FONTANA

CounselorsEmergency MedicinesFamily MedicinesInternal MedicinesNurse PractitionersPhysician AssistantsPsychiatry & NeurologysRegistered NursesStudent in an Organized Health Care Education/Training ProgramsUrologys

Find Doctors in FONTANA

Looking for verified medical care in FONTANA? Choosing a new doctor is a critical decision. Whether you need a routine check-up or specialized treatment, we provide the tools to compare professionals based on federal registry data.

Our directory only displays providers who are actively practicing in FONTANA, ensuring you receive current and accurate local information.

Institutional Data Integrity

Every provider on NPI Telehealth is sourced from the National Plan and Provider Enumeration System (NPPES). We display data from licensed, active professionals in the federal registry.

NPI-REGISTERED PROVIDERS
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