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Nurse Practitioner

Lisa Wallenfels, NP

Sees patients in Williamsville, NY · New York

Summary

Lisa Wallenfels, NP is a nurse practitioner at 2240 N Forest Rd, Williamsville, NY 14221. Phone: (716) 639-4034. Accepts Medicare assignment. In 2024, Lisa Wallenfels had 41 Original Medicare patients and 58 services. NPI 1891839064. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse practitioner
  • Address: 2240 N Forest Rd, Williamsville, NY 14221 · Directions
  • Phone: (716) 639‑4034
  • Medicare: Accepts Medicare assignment
  • Group practice: Audubon Women's Medical Associates, PC
  • School: graduated 1997
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Lisa Wallenfels, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Lisa Wallenfels accept Medicare assignment?
Yes. Medicare's clinician data says Lisa Wallenfels accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Lisa Wallenfels see?
In 2024, CMS data shows 41 Original Medicare patients and 58 services for Lisa Wallenfels. This counts Original Medicare only and measures volume, not quality.
What is Lisa Wallenfels's NPI number?
1891839064. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Lisa Wallenfels, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients41
Services billed to Medicare58
Different services or procedures6
Participating Medicare providerYes
Average age of these patients67

Most frequent services

  1. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)29 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol61%
  • High blood pressure59%
  • Arthritis37%
  • Anxiety29%

Practice locations

Addresses where Lisa Wallenfels is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lisa Wallenfels as a member of this group (CMS data updated October 2, 2026).

  • Audubon Women's Medical Associates, PC13 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, New York →

Other nurse practitioners in Williamsville

Clinicians with the same Medicare primary specialty in Williamsville, NY — not a recommendation.

All nurse practitioners in Williamsville →

Other clinicians in Audubon Women's Medical Associates, PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialNP
Graduation year1997
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1891839064
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians