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

GILLIAN MARY O'CALLAGHAN APRN
NPI 1083522072
Nurse Practitioner - Family in Glastonbury, CT

Q: What is Gillian O'callaghan's NPI number?

The NPI number for Gillian O'callaghan is 1083522072. It was assigned to this individual provider in the NPPES registry on August 31, 2026.

Q: What is Gillian O'callaghan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Active since August 31, 2026

27 SYCAMORE ST STE 100, GLASTONBURY, CT 06033(860) 659-0581(860) 657-1806 Get Directions Write a Review

NPPES record added: August 31, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

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About Gillian Mary O'callaghan Aprn NPPES

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

GILLIAN MARY O'CALLAGHAN APRN (NPI 1083522072) is an individual family provider in Glastonbury, Connecticut, licensed in Connecticut (18157) and active in the NPI registry since August 2026. She maintains a secondary practice location in West Hartford.

NPPES Registry Identity

NPI1083522072

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameGILLIAN MARY O'CALLAGHANCredential: APRN

Location Address27 SYCAMORE ST STE 100Glastonbury, CT 06033-7208

Mailing Address30 Jordan LaneWethersfield, CT 06109-1278 · (860) 845-0905 · Fax (860) 913-2587

Phone(860) 659-0581

Fax(860) 657-1806

Sole ProprietorNo

Enumeration DateAugust 31, 2026

NPPES CertifiedAugust 31, 2026

✔ NPI 1083522072 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in CT · 18157

27 SYCAMORE ST STE 100, Glastonbury, CT 06033

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Secondary Practice Location 1

Location 120 Isham Rd Ste 100West Hartford, CT 06107-2204 · Phone (860) 659-0581 · Fax (860) 657-1806

Other Providers at the Same Location NPPES 3

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

SANDRA ALISON CRISCUOLO APRN

Nurse Practitioner (Family)

27 SYCAMORE ST STE 100
GLASTONBURY, CT 06033

Capitol Planning Region (860) 659-0581

SAUMYA SHAH MD

Family Medicine

27 SYCAMORE ST STE 100
GLASTONBURY, CT 06033

Capitol Planning Region (860) 659-0581

GABRIELLE ROSE UKLEJA

Nurse Practitioner (Family)

27 SYCAMORE ST STE 100
GLASTONBURY, CT 06033

Capitol Planning Region (860) 659-0581

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 Gillian O'callaghan's NPI number?

The NPI number for Gillian O'callaghan is 1083522072. It was assigned to this individual provider in the NPPES registry on August 31, 2026.

Where is Gillian O'callaghan located?

Gillian O'callaghan practices at 27 Sycamore St Ste 100, Glastonbury, CT 06033. The listed phone number is (860) 659-0581.

What is Gillian O'callaghan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

When was this NPI record last updated?

The NPPES record for Gillian O'callaghan was last updated on August 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.