SABRINA MARLOWE GERSTER FNP
NPI 1093230435
Nurse Practitioner - Family in Williamsville, NY
About Sabrina Marlowe Gerster Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SABRINA MARLOWE GERSTER FNP (NPI 1093230435) is an individual family provider in Williamsville, New York, licensed in New York (F341990) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Williamsville, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
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
Sabrina Marlowe Gerster Fnp 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 Reassignments
2Medicare enrollment records show Sabrina Gerster reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Williamsville, NY 14221
- Reassigned Medicare billing, New York enrollment
- 6 clinicians in this Medicare group
Williamsville, NY 14221
- Reassigned Medicare billing, New York enrollment
- 344 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 3
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14221 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Sabrina Gerster's NPI number?
The NPI number for Sabrina Gerster is 1093230435. It was assigned to this individual provider in the NPPES registry on August 7, 2017. The provider is also known as Sabrina Marie Marlowe.
Where is Sabrina Gerster located?
Sabrina Gerster practices at 55 Spindrift Dr Ste 220, Williamsville, NY 14221. The listed phone number is (716) 626-6300.
What is Sabrina Gerster's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Sabrina Gerster enrolled in Medicare?
Yes. Sabrina Gerster 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 organizations bill Medicare for Sabrina Gerster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sabrina Gerster reassigns Medicare benefits to 2 organizations: Windsong Health Medical Alliance, PLLC (Williamsville, NY) and Buffalo Medical Group, P.C. (Williamsville, 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 Sabrina Gerster'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 Sabrina Gerster was last updated on February 3, 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.