MS. MARGARET TREANOR FNP-BC
NPI 1972174662
Nurse Practitioner - Family in Putnam Valley, NY
About Ms. Margaret Treanor Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARGARET TREANOR FNP-BC (NPI 1972174662) is an individual family provider in Putnam Valley, New York, licensed in New York (347754) and active in the NPI registry since July 2021. She is enrolled in Medicare PECOS, is affiliated with Northern Westchester Hospital, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ms. Margaret Treanor Fnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Margaret Treanor reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Port Jefferson Station, NY 11776
- Reassigned Medicare billing, New York enrollment
- 636 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.
Areas of Expertise CMS Part B claims 16
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northern Westchester Hospital
Acute Care Hospitals · Mount Kisco, NYHudson Valley Hospital Center
Acute Care Hospitals · Cortlandt Manor, NYPutnam Hospital Center
Acute Care Hospitals · Carmel, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10579 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PUTNAM VALLEY, NY 10579
PUTNAM VALLEY, NY 10579
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 Margaret Treanor's NPI number?
The NPI number for Margaret Treanor is 1972174662. It was assigned to this individual provider in the NPPES registry on July 5, 2021.
Where is Margaret Treanor located?
Margaret Treanor practices at 11 Peekskill Hollow Rd, Putnam Valley, NY 10579. The listed phone number is (845) 528-1898.
What is Margaret Treanor's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Margaret Treanor enrolled in Medicare?
Yes. Margaret Treanor is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Margaret Treanor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Treanor reassigns Medicare benefits to North Shore Hematology Oncology Associates PC (Port Jefferson Station, 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 Margaret Treanor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Margaret Treanor affiliated with any hospitals?
According to CMS data, Margaret Treanor is affiliated with Northern Westchester Hospital, Hudson Valley Hospital Center and Putnam Hospital Center.
When was this NPI record last updated?
The NPPES record for Margaret Treanor was last updated on August 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Ms. Margaret Treanor, FNP-BC · NPI 1972174662
Family physician in Putnam Valley, New York. Individual provider, active in the CMS NPPES registry since July 5, 2021.
## Identity
- **NPI:** 1972174662 (Entity type: Individual)
- **Enumerated:** July 5, 2021
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 347754 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 11 PEEKSKILL HOLLOW RD, Putnam Valley, NY 10579-3200
- **Phone:** (845) 528-1898
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** North Shore Hematology Oncology Associates PC (NPI 1396794574, Port Jefferson Station, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** August 4, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1972174662) · Data from the CMS NPPES public registry.