Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

GREGORY ROBERT GUSTAVSON APRN
NPI 1770418030
Nurse Practitioner - Acute Care in Willimantic, CT

Active since June 16, 2026
112 MANSFIELD AVE, WILLIMANTIC, CT 06226(860) 456-9116 Get Directions Write a Review

NPPES record added: August 18, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Gregory Robert Gustavson Aprn NPPES

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

GREGORY ROBERT GUSTAVSON APRN (NPI 1770418030) is an individual acute care provider in Willimantic, Connecticut, licensed in Connecticut (92342) and active in the NPI registry since June 2026. He maintains 3 additional practice locations.

NPPES Registry Identity

NPI1770418030
Entity TypeIndividualMale
Primary Taxonomy363LA2100X
Provider Legal NameGREGORY ROBERT GUSTAVSONCredential: APRN
Location Address112 MANSFIELD AVEWillimantic, CT 06226-2040
Mailing Address5 Beaudet TerColumbia, CT 06237-1404 · (860) 617-0730
Sole ProprietorNo
Enumeration DateJune 16, 2026
Last NPPES UpdateAugust 18, 2026
NPPES CertifiedAugust 18, 2026
NPI 1770418030 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License Licensed in CT · 92342
Also ListedRadiology · Vascular & Interventional RadiologyTaxonomy 2085R0204X · License 12.017664 (CT)
Also ListedNurse Practitioner · GerontologyTaxonomy 363LG0600X · License 92342 (CT)
112 MANSFIELD AVE, Willimantic, CT 06226

Other Names 1

Other Name (5)Greg Robert Gustavson Aprn

Secondary Practice Locations 3

Location 1435 Lewis AveMeriden, CT 06451-2101 · Phone (203) 694-8928
Location 2100 Grand StNew Britain, CT 06052-2016 · Phone (860) 276-5000
Location 3326 Washington StNorwich, CT 06360-2740 · Phone (860) 889-8331

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.

Nurse Practitioner (Acute Care)
112 MANSFIELD AVE
WILLIMANTIC, CT 06226
Internal Medicine (Pulmonary Disease)
112 MANSFIELD AVE, PULMONARY DISEASE DIVISION, HATCH WING
WILLIMANTIC, CT 06226
General Acute Care Hospital
112 MANSFIELD AVE
WILLIMANTIC, CT 06226
Social Worker (Clinical)
112 MANSFIELD AVE
WILLIMANTIC, CT 06226
Emergency Medicine
112 MANSFIELD AVE
WILLIMANTIC, CT 06226
Internal Medicine (Pulmonary Disease)
112 MANSFIELD AVE
WILLIMANTIC, CT 06226
Midwife
112 MANSFIELD AVE
WILLIMANTIC, CT 06226
Social Worker (Clinical)
112 MANSFIELD AVE
WILLIMANTIC, CT 06226

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 Gregory Gustavson's NPI number?

The NPI number for Gregory Gustavson is 1770418030. It was assigned to this individual provider in the NPPES registry on June 16, 2026. The provider is also known as Greg Robert Gustavson Aprn.

Where is Gregory Gustavson located?

Gregory Gustavson practices at 112 Mansfield Ave, Willimantic, CT 06226. The listed phone number is (860) 456-9116.

What is Gregory Gustavson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

When was this NPI record last updated?

The NPPES record for Gregory Gustavson was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.