ALLISON KOSCAK NP
NPI 1881291599
Nurse Practitioner in Buffalo, NY
About Allison Koscak Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLISON KOSCAK NP (NPI 1881291599) is an individual nurse practitioner in Buffalo, New York, licensed in New York (309001) and active in the NPI registry since October 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Buffalo, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
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
Allison Koscak Np 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 Allison Koscak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Buffalo, NY 14263
- Reassigned Medicare billing, New York enrollment
- 602 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
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 14263 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.
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 Allison Koscak's NPI number?
The NPI number for Allison Koscak is 1881291599. It was assigned to this individual provider in the NPPES registry on October 6, 2020.
Where is Allison Koscak located?
Allison Koscak practices at Elm And Carlton St, Buffalo, NY 14263. The listed phone number is (716) 845-2300.
What is Allison Koscak's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Allison Koscak enrolled in Medicare?
Yes. Allison Koscak 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 Allison Koscak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allison Koscak reassigns Medicare benefits to Roswell Park Cancer Institute (Buffalo, 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 Allison Koscak'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 Allison Koscak was last updated on January 20, 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.
# Allison Koscak, NP · NPI 1881291599
Nurse Practitioner physician in Buffalo, New York. Individual provider, active in the CMS NPPES registry since October 6, 2020.
## Identity
- **NPI:** 1881291599 (Entity type: Individual)
- **Enumerated:** October 6, 2020
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 309001 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** ELM AND CARLTON ST, Buffalo, NY 14263-1104
- **Phone:** (716) 845-2300
## 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:** Roswell Park Cancer Institute (NPI 1720036593, Buffalo, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** January 20, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1881291599) · Data from the CMS NPPES public registry.