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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 CASTRO VALLEY, CA | Telehealth & Virtual Care | NPI Telehealth | NPI Telehealth
LOCAL HEALTHCARE DIRECTORY 2026

DOCTORS IN
CASTRO VALLEY.

Find and book verified care in CASTRO VALLEY, 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 CASTRO VALLEY jurisdiction.

69 ENTRIES FOUND
NPI: 1720480049
VIRTUAL ACTIVE

Corina Scheel Clark, P.A.

P.A.

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
12+ Years Exp.
ACCESS PROFILE
NPI: 1720046295
VIRTUAL ACTIVE

Jeffrey Blaine Randall, MD

MD

NPI DATA 2026
Castro Valley, CA
University of Michigan Medical School (1984)
20+ Years Exp.
ACCESS PROFILE
NPI: 1699960815
VIRTUAL ACTIVE

Satya B Allaparthi, MD

MD

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1699724484
VIRTUAL ACTIVE

Nabil Karim Abudayeh, MD

MD

NPI DATA 2026
Castro Valley, CA
CHICAGO COLLEGE OF MEDICINE AND SURGERY (1986)
20+ Years Exp.
ACCESS PROFILE
NPI: 1689710915
VIRTUAL ACTIVE

Peter Adamczyk, M.D.

M.D.

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1659807154
VIRTUAL ACTIVE

Cristina Gesmundo, DO

DO

NPI DATA 2026
Castro Valley, CA
ARIZONA COLLEGE OF OSTEOPATHIC MEDICINE MID WESTERN UNIVERSITY (2017)
9+ Years Exp.
ACCESS PROFILE
NPI: 1639968670
VIRTUAL ACTIVE

Juliet Fong, PA-C

PA-C

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
1+ Years Exp.
ACCESS PROFILE
NPI: 1578705000
VIRTUAL ACTIVE

Michael Krosin, MD

MD

NPI DATA 2026
Castro Valley, CA
UNIVERSITY OF MISSOURI, COLUMBIA SCHOOL OF MEDICINE (2004)
17+ Years Exp.
ACCESS PROFILE
NPI: 1558780825
VIRTUAL ACTIVE

Arpeet Tarun Shah, M.D.

M.D.

NPI DATA 2026
Castro Valley, CA
Stanford University School of Medicine (2014)
12+ Years Exp.
ACCESS PROFILE
NPI: 1548283005
VIRTUAL ACTIVE

Richard Ho, M. D.

M. D.

NPI DATA 2026
Castro Valley, CA
David Geffen School of Medicine at UCLA (1974)
20+ Years Exp.
ACCESS PROFILE
NPI: 1538557459
VIRTUAL ACTIVE

Carolyn Beth Ricketts, LCSW

LCSW

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
12+ Years Exp.
ACCESS PROFILE
NPI: 1528393063
VIRTUAL ACTIVE

Irene Ang Dy, MD

MD

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
17+ Years Exp.
ACCESS PROFILE
NPI: 1508670399
VIRTUAL ACTIVE

Sindhu Alexander, MSN, APRN, AGNP-C

MSN, APRN, AGNP-C

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
1+ Years Exp.
ACCESS PROFILE
NPI: 1497316608
VIRTUAL ACTIVE

Amanda Mercedes Yee, MD

MD

NPI DATA 2026
Castro Valley, CA
Michigan State University College of Human Medicine (2019)
7+ Years Exp.
ACCESS PROFILE
NPI: 1467731828
VIRTUAL ACTIVE

Gene-Yuan Chang, MD

MD

NPI DATA 2026
Castro Valley, CA
Boston University Chobanian & Avedisian School of Medicine (2009)
15+ Years Exp.
ACCESS PROFILE
NPI: 1467618454
VIRTUAL ACTIVE

Farnoosh Farrokhi

Healthcare Provider

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
NPI: 1457513053
VIRTUAL ACTIVE

Radhika V Madhavan, MD

MD

NPI DATA 2026
Castro Valley, CA
UNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE (2008)
18+ Years Exp.
ACCESS PROFILE
NPI: 1457309783
VIRTUAL ACTIVE

Jaya Karnani, MD

MD

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1447770359
VIRTUAL ACTIVE

Kathryn Dolores Simms, NP

NP

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
9+ Years Exp.
ACCESS PROFILE
NPI: 1437417029
VIRTUAL ACTIVE

Christopher Arthur Moore, MD

MD

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
14+ Years Exp.
ACCESS PROFILE
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Specialties in CASTRO VALLEY

Family MedicinesInternal MedicinesMarriage & Family TherapistsNeurological SurgerysNurse PractitionersObstetrics & GynecologysOrthopaedic SurgerysOtolaryngologysPhysical Medicine & RehabilitationsPhysician AssistantsPsychiatry & NeurologysPsychologists

Find Doctors in CASTRO VALLEY

Looking for verified medical care in CASTRO VALLEY? 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 CASTRO VALLEY, 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
REAL-TIME REGISTRY UPDATES