DR. DAVID THIEN SHING CHIA MD
NPI 1528177235
Internal Medicine - Gastroenterology in Sleepy Hollow, NY

Q: What is David Chia's NPI number?

The NPI number for David Chia is 1528177235. It was assigned to this individual provider in the NPPES registry on August 29, 2006.

Q: What is David Chia'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 David Chia was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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 August 29, 2006

777 N BROADWAY STE 305, WESTCHESTER GASTROENTROLOGY ASSOCIATES, SLEEPY HOLLOW, NY 10591(914) 366-6120(914) 366-4128 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: September 06, 2026.

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About Dr. David Thien Shing Chia Md NPPES

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

DR. DAVID THIEN SHING CHIA MD (NPI 1528177235) is an individual gastroenterology provider in Sleepy Hollow, New York, licensed in New York (111196) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1528177235

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. DAVID THIEN SHING CHIACredential: MD

Location Address777 N BROADWAY STE 305, WESTCHESTER GASTROENTROLOGY ASSOCIATESSleepy Hollow, NY 10591-1000

Mailing Address777 N Broadway Ste 305, Westchester Gastroentrology AssociatesSleepy Hollow, NY 10591-1000 · (914) 366-6120 · Fax (914) 366-4128

Phone(914) 366-6120

Fax(914) 366-4128

Sole ProprietorNo

Enumeration DateAugust 29, 2006

Last NPPES UpdateSeptember 11, 2025

✔ NPI 1528177235 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in NY · 111196

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License 111196 (NY)

777 N BROADWAY STE 305, Sleepy Hollow, NY 10591

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Other Identifiers 1

Medicaid00495441NY

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 David Chia's NPI number?

The NPI number for David Chia is 1528177235. It was assigned to this individual provider in the NPPES registry on August 29, 2006.

Where is David Chia located?

David Chia practices at 777 N Broadway Ste 305 Westchester Gastroentrology Associates, Sleepy Hollow, NY 10591. The listed phone number is (914) 366-6120.

What is David Chia'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 David Chia was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.