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

DOCTORS IN
HOLLISTER.

Find and book verified care in HOLLISTER, 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 HOLLISTER jurisdiction.

10 ENTRIES FOUND
NPI: 1932183829
VIRTUAL ACTIVE

Mohammad Said Al Hasan, MD

MD

NPI DATA 2026
Hollister, CA
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1891998159
VIRTUAL ACTIVE

Marie Claudette Decastro Grageda, MD

MD

NPI DATA 2026
Hollister, CA
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1841279841
VIRTUAL ACTIVE

KENNETH P JIANG, MD

MD

NPI DATA 2026
HOLLISTER, CA
UNIVERSITY OF CHICAGO, PRITZKER SCHOOL OF MEDICINE (1995)
20+ Years Exp.
ACCESS PROFILE
NPI: 1801909759
VIRTUAL ACTIVE

Joseph P Jiang, MD

MD

NPI DATA 2026
Hollister, CA
Yale School of Medicine (1990)
20+ Years Exp.
ACCESS PROFILE
NPI: 1548764400
VIRTUAL ACTIVE

Jullian Pham Nguyen, MD

MD

NPI DATA 2026
Hollister, CA
OFFICIAL REGISTRY DATA
8+ Years Exp.
ACCESS PROFILE
NPI: 1477647121
VIRTUAL ACTIVE

Marni Jonna Friedman, M.D.

M.D.

NPI DATA 2026
Hollister, CA
University of Pittsburgh School of Medicine (1996)
20+ Years Exp.
ACCESS PROFILE
NPI: 1285740480
VIRTUAL ACTIVE

Peter Robert Coelho, M.D.

M.D.

NPI DATA 2026
Hollister, CA
UNIVERSITY OF CALIFORNIA, DAVIS SCHOOL OF MEDICINE (1997)
20+ Years Exp.
ACCESS PROFILE
NPI: 1225131030
VIRTUAL ACTIVE

Arminda Tolentino, M.D.

M.D.

NPI DATA 2026
Hollister, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1093971889
VIRTUAL ACTIVE

Zarin Amin, DO

DO

NPI DATA 2026
Hollister, CA
UNIVERSITY OF NORTH TEXAS HSC, COLLEGE OF OSTEOPATHIC MED (2007)
18+ Years Exp.
ACCESS PROFILE
NPI: 1083065395
VIRTUAL ACTIVE

Amelia Underwood, RD, CDE, PA-C

RD, CDE, PA-C

NPI DATA 2026
Hollister, CA
OFFICIAL REGISTRY DATA
10+ Years Exp.
ACCESS PROFILE

Specialties in HOLLISTER

Family MedicinesInternal MedicinesObstetrics & GynecologysPhysician Assistants

Find Doctors in HOLLISTER

Looking for verified medical care in HOLLISTER? 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 HOLLISTER, 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