NPPES file of Aug 9, 2026

Lisa Wallenfels, NP

Obstetrics & Gynecology Nurse Practitioner · Williamsville, NY

Lisa Wallenfels, NP is an obstetrics & gynecology nurse practitioner with a practice address in Williamsville, New York, and NPI 1891839064, issued on Feb 19, 2007. Check the license (New York 420426, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891839064
Name
Lisa Wallenfels
Credential
NP
Primary taxonomy
Obstetrics & Gynecology Nurse Practitioner 363LX0001X
License numbers
420426 NY
F420426 NY
Self-reported in NPPES; status is on the state search
Practice location
1360 N Forest RD, Williamsville, NY 14221
Phone
(716) 639-4034
Enumerated
Feb 19, 2007
Record last updated
Sep 27, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(716) 639-7814
Medicare enrollment
Enrolled (PECOS I20161102000389); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest obstetrics & gynecology nurse practitioner records → All 178 in New York → Look up another NPI →

Also registered at 1360 N Forest RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rachel Dispenza, LMTSpecialist1083910897
  2. Darcy Geis, LPN.CLCLactation Consultant (Non-RN)1982180717
  3. Margaret Mitchell, M.D.Internal Medicine Physician1477551331
  4. Helen Murphy, NPObstetrics & Gynecology Physician1861536039

Verify Lisa Wallenfels in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 420426    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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66% more Medicare Part D claims than the average obstetrics & gynecology nurse practitioner in 2024

328 Medicare Part D claims for 117 beneficiaries, against an average of 198 among the 1,094 providers of this specialty who prescribed in Part D.

  1. Lisa Wallenfels328
  2. Specialty average198

Most prescribed

  1. Estradiol40 claims
  2. Valacyclovir38 claims
  3. Alendronate Sodium35 claims
  4. Clobetasol Propionate22 claims
  5. Fluconazole19 claims
  6. Clotrimazole-Betamethasone15 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $1,384.90

69 payments; by number, the most common kind was food and beverage; the largest payer was Mayne Pharma Commercial LLC. The 1,033 providers of this specialty with any payment received $439.39 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lisa Wallenfels$1,384.90
  2. Specialty average$439.39

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Audubon Women's Medical Associates, PCWilliamsville, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Lisa Wallenfels among 178 obstetrics & gynecology nurse practitioner records in New York

Lisa Wallenfels, NP is one of 178 obstetrics & gynecology nurse practitioner records with a practice address in New York. 45% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 52% of them.

  • NPI issued2007 · 52% of these records are older, 26% newer
  • In a Medicare fileYes · 45% of these records are
  • In the CMS Doctors and Clinicians fileYes · 25% of these records are
  • Graduated1997 · median 2000 among the 44 with a school on file
  • Record last updated2019 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LX0001X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Nurse Practitioner providers in New York

There are 178 obstetrics & gynecology nurse practitioner records in New York.

All 178 in New York → Every provider in Williamsville → Obstetrics & Gynecology Nurse Practitioner nationwide →

The 8 obstetrics & gynecology nurse practitioner records with the nearest ZIP codes

  1. Cheryl Haslinger, NPWilliamsville, NY 142211609910868
  2. Kathryn Mye, NPWilliamsville, NY 142211821585274
  3. Mariana Rizzo, CNPWilliamsville, NY 142211003883851
  4. Mary Schumer, N.P.Buffalo, NY 142201821012683
  5. Maureen RyanWest Seneca, NY 142241902025943
  6. Christina Galbraith, NPAmherst, NY 142261194784637
  7. Claudia Emerson, NPBuffalo, NY 142141487608709
  8. Lucinda Harden, NPBuffalo, NY 142081851565667

Common questions

What is Lisa Wallenfels, NP's NPI number?

Lisa Wallenfels, NP's National Provider Identifier (NPI) is 1891839064, issued on Feb 19, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Lisa Wallenfels, NP located?

The NPPES record lists a practice address at 1360 N Forest RD, Williamsville, NY, 14221. Phone: (716) 639-4034. Providers update this record themselves, so call before visiting.

How can I verify Lisa Wallenfels, NP's license?

NPPES lists New York license number 420426, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Lisa Wallenfels, NP prescribe under Medicare Part D?

In 2024, Lisa Wallenfels, NP had 328 Medicare Part D claims for 117 beneficiaries; the average among obstetrics & gynecology nurse practitioner prescribers was 198. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.