MERIN SARA THOMAS FNP
NPI 1437595691
Nurse Practitioner - Family in Yonkers, NY
About Merin Sara Thomas Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MERIN SARA THOMAS FNP (NPI 1437595691) is an individual family provider in Yonkers, New York, licensed in New York (337938) and active in the NPI registry since May 2013. She is enrolled in Medicare PECOS, is affiliated with Montefiore Medical Center, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Merin Sara Thomas Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Merin Thomas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bronx, NY 10467
- Reassigned Medicare billing, New York enrollment
- 5,251 clinicians in this Medicare group
Valhalla, NY 10595
- Reassigned Medicare billing, New York enrollment
- 1,663 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Montefiore Medical Center
Acute Care Hospitals · Bronx, NYWestchester Medical Center
Acute Care Hospitals · Valhalla, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10701 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
YONKERS, NY 10701
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 Merin Thomas's NPI number?
The NPI number for Merin Thomas is 1437595691. It was assigned to this individual provider in the NPPES registry on May 15, 2013. The provider is also known as Merin Sara Mathai.
Where is Merin Thomas located?
Merin Thomas practices at 919 N Broadway, Yonkers, NY 10701. The listed phone number is (914) 519-8136.
What is Merin Thomas's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Merin Thomas enrolled in Medicare?
Yes. Merin Thomas is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Merin Thomas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Merin Thomas reassigns Medicare benefits to 2 organizations: Montefiore Medical Center (Bronx, NY) and Westchester Medical Center Advanced Physician Services PC (Valhalla, NY). Each 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 Merin Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Merin Thomas affiliated with any hospitals?
According to CMS data, Merin Thomas is affiliated with Montefiore Medical Center and Westchester Medical Center.
When was this NPI record last updated?
The NPPES record for Merin Thomas was last updated on March 26, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Merin Sara Thomas, FNP · NPI 1437595691
Family physician in Yonkers, New York. Individual provider, active in the CMS NPPES registry since May 15, 2013.
## Identity
- **NPI:** 1437595691 (Entity type: Individual)
- **Enumerated:** May 15, 2013
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 337938 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 919 N BROADWAY, Yonkers, NY 10701-1206
- **Phone:** (914) 519-8136
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Montefiore Medical Center (NPI 1063525152, Bronx, NY); Westchester Medical Center Advanced Physician Services PC (NPI 1740687458, Valhalla, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** March 26, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1437595691) · Data from the CMS NPPES public registry.