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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: 1184038895
VIRTUAL ACTIVE

Naomi Bitow, MD

MD

NPI DATA 2026
Castro Valley, CA
MEHARRY MEDICAL COLLEGE SCHOOL OF MEDICINE (2014)
12+ Years Exp.
ACCESS PROFILE
NPI: 1164818118
VIRTUAL ACTIVE

Rajbir Sidhu, M.D.

M.D.

NPI DATA 2026
Castro Valley, CA
DREXEL UNIVERSITY COLLEGE OF MEDICINE (2015)
11+ Years Exp.
ACCESS PROFILE
NPI: 1164459947
VIRTUAL ACTIVE

Kalaokalani Chandler, M.D.

M.D.

NPI DATA 2026
Castro Valley, CA
Washington University School of Medicine in St. Louis (1999)
20+ Years Exp.
ACCESS PROFILE
NPI: 1154541423
VIRTUAL ACTIVE

Nitin Dilip Joshi, M.D.

M.D.

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1134647654
VIRTUAL ACTIVE

Christina K Lee, PA-C

PA-C

NPI DATA 2026
Castro Valley, CA
University of Washington School of Medicine (2018)
9+ Years Exp.
ACCESS PROFILE
NPI: 1083298178
VIRTUAL ACTIVE

Zachary Gerard O'Leary, PA-C

PA-C

NPI DATA 2026
Castro Valley, CA
Stanford University School of Medicine (2021)
5+ Years Exp.
ACCESS PROFILE
NPI: 1073684429
VIRTUAL ACTIVE

Ling Xu, M.D.

M.D.

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1073504403
VIRTUAL ACTIVE

Eric S. Bellfort, PA

PA

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1063945962
VIRTUAL ACTIVE

Virginia Y Lieu, MD

MD

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
9+ 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