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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: 1992926075
VIRTUAL ACTIVE

Ahmad Siar Ayoubi, M.D., M.S

M.D., M.S

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1992837702
VIRTUAL ACTIVE

WEIWEI XU, MD

MD

NPI DATA 2026
CASTRO VALLEY, CA
TEMPLE UNIVERSITY SCHOOL OF MEDICINE (2000)
19+ Years Exp.
ACCESS PROFILE
NPI: 1982960449
VIRTUAL ACTIVE

Adam Christopher Janik, M.D.

M.D.

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
14+ Years Exp.
ACCESS PROFILE
NPI: 1972514966
VIRTUAL ACTIVE

Anna Maria Vito Sapugay, MD

MD

NPI DATA 2026
Castro Valley, CA
UNIVERSITY OF CHICAGO, PRITZKER SCHOOL OF MEDICINE (1995)
20+ Years Exp.
ACCESS PROFILE
NPI: 1942371588
VIRTUAL ACTIVE

John E Turns, MD

MD

NPI DATA 2026
Castro Valley, CA
Tufts University School of Medicine (1979)
20+ Years Exp.
ACCESS PROFILE
NPI: 1932595642
VIRTUAL ACTIVE

Jiahui Lin, MD

MD

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
11+ Years Exp.
ACCESS PROFILE
NPI: 1932325446
VIRTUAL ACTIVE

Jeffrey Singerman, M.D.

M.D.

NPI DATA 2026
Castro Valley, CA
George Washington University School of Medicine and Health Sciences (2005)
19+ Years Exp.
ACCESS PROFILE
NPI: 1932201977
VIRTUAL ACTIVE

Michelle Lai Wong, PA-C

PA-C

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1922209436
VIRTUAL ACTIVE

Nalurporn Chokrungvaranon, M.D.

M.D.

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1912913104
VIRTUAL ACTIVE

Christine G Frick, M.S., MFT

M.S., MFT

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1891878740
VIRTUAL ACTIVE

Melissa Goralka, PA

PA

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1851529234
VIRTUAL ACTIVE

Shaulnie Mohan, M.D.

M.D.

NPI DATA 2026
Castro Valley, CA
Boston University Chobanian & Avedisian School of Medicine (2009)
17+ Years Exp.
ACCESS PROFILE
NPI: 1841207289
VIRTUAL ACTIVE

Pamela Ann Paradowski, PH.D

PH.D

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1831695915
VIRTUAL ACTIVE

Mahboub Rahman Noori, MD

MD

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
8+ Years Exp.
ACCESS PROFILE
NPI: 1831668987
VIRTUAL ACTIVE

Christina Phan, PA

PA

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
8+ Years Exp.
ACCESS PROFILE
NPI: 1821416157
VIRTUAL ACTIVE

Laura Ivette Velez Irizarry, M.D.

M.D.

NPI DATA 2026
Castro Valley, CA
UNIVERSITY CENTRAL DEL CARIBE ESCUELA DE MEDICINA (2014)
12+ Years Exp.
ACCESS PROFILE
NPI: 1770547192
VIRTUAL ACTIVE

Navdeep Singh, MD

MD

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1750524575
VIRTUAL ACTIVE

Jennifer Casey

Healthcare Provider

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
17+ Years Exp.
ACCESS PROFILE
NPI: 1740476761
VIRTUAL ACTIVE

Kathryn Welty, MD

MD

NPI DATA 2026
Castro Valley, CA
Vanderbilt University School of Medicine (2007)
19+ Years Exp.
ACCESS PROFILE
NPI: 1740243930
VIRTUAL ACTIVE

Rahul Rishi, M.D.

M.D.

NPI DATA 2026
Castro Valley, CA
OFFICIAL REGISTRY DATA
20+ 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