MS. ASHLEIGH S WALKER NURSE PRACTITONER
NPI 1861822330
Nurse Practitioner - Family in Buffalo, NY
About Ms. Ashleigh S Walker Nurse Practitoner NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. ASHLEIGH S WALKER NURSE PRACTITONER (NPI 1861822330) is an individual family provider in Buffalo, New York, licensed in New York (F342583-1) and active in the NPI registry since November 2013. She is enrolled in Medicare PECOS and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 4
Secondary Practice Locations 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Ashleigh S Walker Nurse Practitoner is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Ashleigh Walker reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Buffalo, NY 14263
- Reassigned Medicare billing, New York enrollment
- 602 clinicians in this Medicare group
Buffalo, NY 14215
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Apogee Medical Group, New York, PC
- 354 clinicians in this Medicare group
Williamsville, NY 14221
- Reassigned Medicare billing, New York enrollment
- 344 clinicians in this Medicare group
Williamsville, NY 14221
- Reassigned Medicare billing, New York enrollment
- 104 clinicians in this Medicare group
Amherst, NY 14228
- Reassigned Medicare billing, New York enrollment
- 106 clinicians in this Medicare group
Hartford, CT 06106
- Reassigned Medicare billing, Connecticut enrollment
- 1,921 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 14210 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.
BUFFALO, NY 14210
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 Ashleigh Walker's NPI number?
The NPI number for Ashleigh Walker is 1861822330. It was assigned to this individual provider in the NPPES registry on November 20, 2013.
Where is Ashleigh Walker located?
Ashleigh Walker practices at 701 Seneca St Ste 646C, Buffalo, NY 14210. The listed phone number is (716) 995-4450.
What is Ashleigh Walker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Ashleigh Walker enrolled in Medicare?
Yes. Ashleigh Walker is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ashleigh Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ashleigh Walker reassigns Medicare benefits to 6 organizations: Roswell Park Cancer Institute (Buffalo, NY), Apogee Medical Group, New York, P.C. (Buffalo, NY), Buffalo Medical Group, P.C. (Williamsville, NY), Infinity Medical Of Wny PC (Williamsville, NY), Infinity Medical Group P.C. (Amherst, NY) and 1 more organization, listed in the Medicare section above. 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 Ashleigh Walker'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 Ashleigh Walker was last updated on February 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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. Ashleigh S Walker, NURSE PRACTITONER · NPI 1861822330
Family physician in Buffalo, New York. Individual provider, active in the CMS NPPES registry since November 20, 2013.
## Identity
- **NPI:** 1861822330 (Entity type: Individual)
- **Enumerated:** November 20, 2013
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** F342583-1 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 701 SENECA ST STE 646C, Buffalo, NY 14210-1351
- **Phone:** (716) 995-4450
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Roswell Park Cancer Institute (NPI 1720036593, Buffalo, NY); Apogee Medical Group, New York, P.C. (NPI 1841520236, Buffalo, NY); Buffalo Medical Group, P.C. (NPI 1881659506, Williamsville, NY); Infinity Medical Of Wny PC (NPI 1568883080, Williamsville, NY); Infinity Medical Group P.C. (NPI 1841648011, Amherst, NY); and 1 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1861822330) · Data from the CMS NPPES public registry.