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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

Active since August 31, 2026PECOS Enrolled
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: November 08, 2026.

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 is enrolled in Medicare PECOS and 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
Open in Google Maps ↗

Secondary Practice Location 1

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gillian Mary O'callaghan Aprn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Is Gillian O'callaghan enrolled in Medicare?

Yes. Gillian O'callaghan is registered in the Medicare PECOS enrollment system.

What insurance does Gillian O'callaghan accept?

Health plans from Anthem Blue Cross and Blue Shield list Gillian O'callaghan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

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 2 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.