JEANNETTE WILLER
NPI 1538707104
Nurse Practitioner - Family in Buffalo, NY
About Jeannette Willer NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JEANNETTE WILLER (NPI 1538707104) is an individual family provider in Buffalo, New York, licensed in New York (347912) and active in the NPI registry since December 2019. She is enrolled in Medicare PECOS, is affiliated with Kaleida Health, and maintains a secondary practice location in Buffalo.
NPPES Registry Identity
Specialties & Licenses 2
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
Jeannette Willer 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
4Medicare enrollment records show Jeannette Willer reassigns Medicare billing to 4 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
- 104 clinicians in this Medicare group
Amherst, NY 14228
- Reassigned Medicare billing, New York enrollment
- 106 clinicians in this Medicare group
East Amherst, NY 14051
- Reassigned Medicare billing, New York enrollment
- 7 clinicians in this Medicare group
Dunkirk, NY 14048
- Reassigned Medicare billing, New York enrollment
- 572 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kaleida Health
Acute Care Hospitals · Buffalo, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14203 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 14203
BUFFALO, NY 14203
BUFFALO, NY 14203
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 Jeannette Willer's NPI number?
The NPI number for Jeannette Willer is 1538707104. It was assigned to this individual provider in the NPPES registry on December 13, 2019.
Where is Jeannette Willer located?
Jeannette Willer practices at 100 High St, Buffalo, NY 14203. The listed phone number is (716) 859-1000.
What is Jeannette Willer's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Jeannette Willer enrolled in Medicare?
Yes. Jeannette Willer 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 Jeannette Willer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeannette Willer reassigns Medicare benefits to 4 organizations: Infinity Medical Of Wny PC (Williamsville, NY), Infinity Medical Group P.C. (Amherst, NY), Buffalo Breathe Now Medical PC (East Amherst, NY) and General Physician, PC (Dunkirk, 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 Jeannette Willer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jeannette Willer affiliated with any hospitals?
According to CMS data, Jeannette Willer is affiliated with Kaleida Health.
When was this NPI record last updated?
The NPPES record for Jeannette Willer was last updated on November 29, 2022. 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.
# Jeannette Willer · NPI 1538707104
Family physician in Buffalo, New York. Individual provider, active in the CMS NPPES registry since December 13, 2019.
## Identity
- **NPI:** 1538707104 (Entity type: Individual)
- **Enumerated:** December 13, 2019
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 347912 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 HIGH ST, Buffalo, NY 14203-1126
- **Phone:** (716) 859-1000
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Infinity Medical Of Wny PC (NPI 1568883080, Williamsville, NY); Infinity Medical Group P.C. (NPI 1841648011, Amherst, NY); Buffalo Breathe Now Medical PC (NPI 1285464479, East Amherst, NY); General Physician, PC (NPI 1093959322, Dunkirk, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York At Buffalo School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** November 29, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1538707104) · Data from the CMS NPPES public registry.