CONNECTICUT GI PLLC
NPI 1023124625
Internal Medicine - Gastroenterology in Hartford, CT

Q: What is Connecticut Gi PLLC's NPI number?

The NPI number for Connecticut Gi PLLC is 1023124625. It was assigned to this organization in the NPPES registry on August 23, 2006. The provider was formerly known as GI & Internal Medicine Assoc And Connecticut Gastroenterology Medical.

Q: What is Connecticut Gi PLLC's specialty?

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

Active since August 23, 2006

85 SEYMOUR ST, 1000, HARTFORD, CT 06106(860) 246-2571(860) 246-3691 Get Directions Write a Review

NPPES record last updated: November 25, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 25, 2025, Jul 1, 2025, Jul 5, 2023 and 1 more (4 updates tracked since 2018).

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About Connecticut Gi Pllc NPPES

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

CONNECTICUT GI PLLC (NPI 1023124625), doing business as Gi & Internal Medicine Assoc And Connecticut Gastroenterology Medical, is a healthcare organization registered as a gastroenterology in Hartford, Connecticut and active in the NPI registry since August 2006. The organization lists Jeffrey L Nestler, President, as its authorized official.

NPPES Registry Identity

NPI1023124625

Entity TypeOrganization

Primary Taxonomy207RG0100X

Legal Business NameCONNECTICUT GI PLLC

Location Address85 SEYMOUR ST, 1000Hartford, CT 06106-5501

Mailing Address30 Waterchase DrRocky Hill, CT 06067-2110 · (860) 257-4131 · Fax (860) 257-4519

Phone(860) 246-2571

Fax(860) 246-3691

Organization SubpartNo

Authorized OfficialJeffrey L NestlerPresident · (860) 246-2571

Enumeration DateAugust 23, 2006

Last NPPES UpdateNovember 25, 20254 updates tracked since enumeration

NPPES CertifiedNovember 25, 2025

✔ NPI 1023124625 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 6

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

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 ListedDietitian, RegisteredTaxonomy 133V00000X

Also ListedInternal MedicineTaxonomy 207R00000X

Also ListedPathology · Anatomic Pathology & Clinical PathologyTaxonomy 207ZP0102X

Also ListedNurse PractitionerTaxonomy 363L00000X

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X

85 SEYMOUR ST, Hartford, CT 06106

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Other Names 1

Former Legal Business NameGi & Internal Medicine Assoc And Connecticut Gastroenterology Medical

Other Identifiers 1

MedicaidP004137677CT

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 20

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

LEIGH MAE CABRAL DMD

Dentist (General Practice)

85 SEYMOUR ST, SUITE 922
HARTFORD, CT 06106

Capitol Planning Region (860) 518-5185

DR. JOHN P. OPALACZ M.D.

Radiology (Diagnostic Radiology)

85 SEYMOUR ST, SUITE 200
HARTFORD, CT 06106

Capitol Planning Region (860) 289-3375

JAMES JOSEPH GALLAGHER JR. MD

Surgery (Vascular Surgery)

85 SEYMOUR ST, SUITE 409
HARTFORD, CT 06106

Capitol Planning Region (860) 522-4158

DR. SAMUEL K ANYATONWU MD

Internal Medicine

85 SEYMOUR ST, SUITE 1009
HARTFORD, CT 06106

Capitol Planning Region (860) 728-6674

JOHN RUSSOMANNO MD

Internal Medicine (Pulmonary Disease)

85 SEYMOUR ST, SUITE 923
HARTFORD, CT 06106

Capitol Planning Region (860) 247-1876

ISABEL NIP

Student in an Organized Health Care Education/Training Program

85 SEYMOUR ST
HARTFORD, CT 06106

Capitol Planning Region (860) 972-5107

DR. PETER R BARNETT MD

Orthopaedic Surgery

85 SEYMOUR ST, SUITE 607
HARTFORD, CT 06106

Capitol Planning Region (860) 549-3210

ERIC LUI DPM

Podiatrist (Foot & Ankle Surgery)

85 SEYMOUR ST, SUITE 409
HARTFORD, CT 06106

Capitol Planning Region (860) 547-0616

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 Connecticut Gi PLLC's NPI number?

The NPI number for Connecticut Gi PLLC is 1023124625. It was assigned to this organization in the NPPES registry on August 23, 2006. The provider was formerly known as GI & Internal Medicine Assoc And Connecticut Gastroenterology Medical.

Where is Connecticut Gi PLLC located?

Connecticut Gi PLLC is located at 85 Seymour St 1000, Hartford, CT 06106. The listed phone number is (860) 246-2571.

What is Connecticut Gi PLLC'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 Connecticut Gi PLLC was last updated on November 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.