GASTROENTEROLOGY SPECIALISTS PC
NPI 1144259029
Nurse Practitioner in Ansonia, CT

Q: What is Gastroenterology Specialists PC's NPI number?

The NPI number for Gastroenterology Specialists PC is 1144259029. It was assigned to this organization in the NPPES registry on July 2, 2006.

Q: What is Gastroenterology Specialists PC's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Active since July 02, 2006

22 WESTFIELD AVE, ANSONIA, CT 06401(203) 736-9919(203) 735-2055 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

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About Gastroenterology Specialists Pc NPPES

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

GASTROENTEROLOGY SPECIALISTS PC (NPI 1144259029) is a healthcare organization registered as a nurse practitioner in Ansonia, Connecticut and active in the NPI registry since July 2006. The organization lists Harold M Schwartz, Pres Pc Physician, as its authorized official.

NPPES Registry Identity

NPI1144259029

Entity TypeOrganization

Primary Taxonomy363L00000X

Legal Business NameGASTROENTEROLOGY SPECIALISTS PC

Location Address22 WESTFIELD AVEAnsonia, CT 06401-1158

Mailing Address22 Westfield AveAnsonia, CT 06401-1158 · (203) 736-9919 · Fax (203) 735-2055

Phone(203) 736-9919

Fax(203) 735-2055

Organization SubpartNo

Authorized OfficialHarold M SchwartzPres Pc Physician · (203) 736-9919

Enumeration DateJuly 2, 2006

Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration

✔ NPI 1144259029 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X

22 WESTFIELD AVE, Ansonia, CT 06401

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 19

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

BRUCE T BRENNAN MD

Internal Medicine

22 WESTFIELD AVE
ANSONIA, CT 06401

Naugatuck Valley Planning Region (203) 734-7100

ROY E. KALMAN M.D.

Obstetrics & Gynecology (Gynecology)

22 WESTFIELD AVE
ANSONIA, CT 06401

Naugatuck Valley Planning Region (203) 735-3393

MR. JONATHAN T SIMON M.D.

Internal Medicine

22 WESTFIELD AVE
ANSONIA, CT 06401

Naugatuck Valley Planning Region (203) 736-9919

M EHSAN QADIR MD LLC

Internal Medicine

22 WESTFIELD AVE, SUITE 1
ANSONIA, CT 06401

Naugatuck Valley Planning Region (203) 732-1677

AMY J MIKLOS PA-C

Physician Assistant

22 WESTFIELD AVE
ANSONIA, CT 06401

Naugatuck Valley Planning Region (203) 736-9919

DR. SARAH ELIZABETH OLIVIER-CABRERA MD

Internal Medicine (Gastroenterology)

22 WESTFIELD AVE
ANSONIA, CT 06401

Naugatuck Valley Planning Region (203) 736-9919

DR. MUHAMMAD EHSAN QADIR M.D.

Internal Medicine

22 WESTFIELD AVE, UNIT 1
ANSONIA, CT 06401

Naugatuck Valley Planning Region (203) 732-1677

SCOTT ARNOLD MCINTYRE APRN

Nurse Practitioner (Adult Health)

22 WESTFIELD AVE
ANSONIA, CT 06401

Naugatuck Valley Planning Region (203) 736-9919

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 Gastroenterology Specialists PC's NPI number?

The NPI number for Gastroenterology Specialists PC is 1144259029. It was assigned to this organization in the NPPES registry on July 2, 2006.

Where is Gastroenterology Specialists PC located?

Gastroenterology Specialists PC is located at 22 Westfield Ave, Ansonia, CT 06401. The listed phone number is (203) 736-9919.

What is Gastroenterology Specialists PC's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for Gastroenterology Specialists PC 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 11 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.