KATHLEEN T CALLAGHAN NP, RN
NPI 1053097691
Nurse Practitioner - Adult Health in East Setauket, NY
About Kathleen T Callaghan Np, Rn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHLEEN T CALLAGHAN NP, RN (NPI 1053097691) is an individual adult health provider in East Setauket, New York, licensed in New York (F311294-01) and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Kathleen T Callaghan Np, Rn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Kathleen Callaghan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stony Brook, NY 11794
- Reassigned Medicare billing, New York enrollment
- 177 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11733 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
EAST SETAUKET, NY 11733
EAST SETAUKET, NY 11733
EAST SETAUKET, NY 11733
EAST SETAUKET, NY 11733
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 Kathleen Callaghan's NPI number?
The NPI number for Kathleen Callaghan is 1053097691. It was assigned to this individual provider in the NPPES registry on June 27, 2023.
Where is Kathleen Callaghan located?
Kathleen Callaghan practices at 45 Research Way Ste 108, East Setauket, NY 11733. The listed phone number is (631) 941-2000.
What is Kathleen Callaghan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Kathleen Callaghan enrolled in Medicare?
Yes. Kathleen Callaghan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Kathleen Callaghan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathleen Callaghan reassigns Medicare benefits to Stony Brook Internists, University Faculty Practice Corporation (Stony Brook, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kathleen Callaghan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Kathleen Callaghan was last updated on June 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.
# Kathleen T Callaghan, NP, RN · NPI 1053097691
Adult Health physician in East Setauket, New York. Individual provider, active in the CMS NPPES registry since June 27, 2023.
## Identity
- **NPI:** 1053097691 (Entity type: Individual)
- **Enumerated:** June 27, 2023
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** F311294-01 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 45 RESEARCH WAY STE 108, East Setauket, NY 11733-6401
- **Phone:** (631) 941-2000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Stony Brook Internists, University Faculty Practice Corporation (NPI 1104865229, Stony Brook, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 27, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1053097691) · Data from the CMS NPPES public registry.