Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

PHILLIP HUANG CHEN MD
NPI 1629605209
Internal Medicine - Gastroenterology in Redwood City, CA

Q: What is Phillip Chen's NPI number?

The NPI number for Phillip Chen is 1629605209. It was assigned to this individual provider in the NPPES registry on March 24, 2020.

Q: What is Phillip Chen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Phillip Chen was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 24, 2020

905 MAPLE ST, REDWOOD CITY, CA 94063(310) 267-7849 Get Directions Write a Review

NPPES record last updated: August 21, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 21, 2026, Mar 24, 2020 (2 updates tracked since 2020).

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About Phillip Huang Chen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PHILLIP HUANG CHEN MD (NPI 1629605209) is an individual gastroenterology provider in Redwood City, California, licensed in California (A187152) and active in the NPI registry since March 2020.

NPPES Registry Identity

NPI1629605209

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NamePHILLIP HUANG CHENCredential: MD

Location Address905 MAPLE STRedwood City, CA 94063-2057

Mailing Address905 Maple St Fl 2Redwood City, CA 94063-2057 · (310) 267-7849

Phone(310) 267-7849

Sole ProprietorNo

Enumeration DateMarch 24, 2020

Last NPPES UpdateAugust 21, 20262 updates tracked since enumeration

NPPES CertifiedAugust 21, 2026

✔ NPI 1629605209 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in CA · A187152

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

905 MAPLE ST, Redwood City, CA 94063

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Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DONALD CHUN LAI CHAN MD

Radiology (Diagnostic Radiology)

905 MAPLE ST
REDWOOD CITY, CA 94063

San Mateo County (650) 299-3930

SHAWNA MCCARTHY

Respiratory Therapist, Certified

905 MAPLE ST
REDWOOD CITY, CA 94063

San Mateo County (650) 299-2270

SARAH CAROLINE BARTY

Registered Nurse

905 MAPLE ST
REDWOOD CITY, CA 94063

San Mateo County (650) 299-4895

DR. THERESA THU THAO NGUYEN D.O.

Ophthalmology

905 MAPLE ST
REDWOOD CITY, CA 94063

San Mateo County (650) 299-2066

KAISER FOUNDATION HEALTH PLAN INC

Pharmacy (Community/Retail Pharmacy)

905 MAPLE ST, FL 1 RM 1250
REDWOOD CITY, CA 94063

San Mateo County (650) 299-2478

WILLIAM LIU WANG MD

Student in an Organized Health Care Education/Training Program

905 MAPLE ST
REDWOOD CITY, CA 94063

San Mateo County (650) 400-0293

MEGAN JOY DEMOTS DPT

Physical Therapist

905 MAPLE ST
REDWOOD CITY, CA 94063

San Mateo County (650) 299-2000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Phillip Chen's NPI number?

The NPI number for Phillip Chen is 1629605209. It was assigned to this individual provider in the NPPES registry on March 24, 2020.

Where is Phillip Chen located?

Phillip Chen practices at 905 Maple St, Redwood City, CA 94063. The listed phone number is (310) 267-7849.

What is Phillip Chen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Phillip Chen was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.