NPPES file of Aug 9, 2026

Kiersten Elizabeth Mucha, PA

Physician Assistant · Williamsville, NY

Kiersten Elizabeth Mucha, PA is a physician assistant with a practice address in Williamsville, New York, and NPI 1164105912, issued on Aug 9, 2023. Check the license (New York 030313, 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
1164105912
Name
Kiersten Elizabeth Mucha
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
030313 NY
Self-reported in NPPES; status is on the state search
Practice location
111 North Maplemere Road, Williamsville, NY 14221
Phone
(716) 204-3200
Enumerated
Aug 9, 2023
Record last updated
Aug 9, 2023
Fax
(716) 204-4337
Medicare enrollment
Enrolled (PECOS I20231006000886); 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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Also registered at 111 North Maplemere Road

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

  1. Jack Dormer, PAPhysician Assistant1285317024

Verify Kiersten Elizabeth Mucha 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 030313
    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

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93% fewer Medicare Part D claims than the average physician assistant in 2024

62 Medicare Part D claims for 52 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 16 claims were for opioids.

  1. Kiersten Mucha62
  2. Specialty average830

Most prescribed

  1. Methylprednisolone16 claims
  2. Ibuprofen13 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: $53.37

2 payments; by number, the most common kind was food and beverage; the largest payer was Orthofix Medical, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kiersten Mucha$53.37
  2. Specialty average$841.65

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

Bills Medicare through 2 group practices

  1. University Orthopaedic Associates OF RochesterRochester, NY
  2. University Orthopaedic Services Inc.Buffalo, NY

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

Kiersten Elizabeth Mucha among 15,555 physician assistant records in New York

Kiersten Elizabeth Mucha, PA is one of 15,555 physician assistant records with a practice address in New York. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 77% of them.

  • NPI issued2023 · 77% of these records are older, 17% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated2023 · median 2018 among the 8,158 with a school on file
  • Record last updated2023 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

178 physician assistant records list a practice address in Williamsville

They are 178 of the 3,530 NPPES records with a practice address in Williamsville, and 15,555 physician assistant records in New York.

The 8 physician assistant records with the nearest ZIP codes

  1. Gregory Czajka, RPA CWilliamsville, NY 142211740265537
  2. Tammy Ervolina-Kroll, RPA-CWilliamsville, NY 142211801852777
  3. Allison Fout, PAWilliamsville, NY 142211275501348
  4. Jill Hess, PAWilliamsville, NY 142211063471407
  5. Cara Innus, RPA-CWilliamsville, NY 142211538126388
  6. Jennifer Kielbasa, RPA CWilliamsville, NY 142211942283031
  7. Sherry Lyons, RPA-CWilliamsville, NY 142211134109903
  8. Robin Massing, RPA-CWilliamsville, NY 142211801869284

Common questions

What is Kiersten Elizabeth Mucha, PA's NPI number?

Kiersten Elizabeth Mucha, PA's National Provider Identifier (NPI) is 1164105912, issued on Aug 9, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Kiersten Elizabeth Mucha, PA located?

The NPPES record lists a practice address at 111 North Maplemere Road, Williamsville, NY, 14221. Phone: (716) 204-3200. Providers update this record themselves, so call before visiting.

How can I verify Kiersten Elizabeth Mucha, PA's license?

NPPES lists New York license number 030313, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Kiersten Elizabeth Mucha, PA prescribe under Medicare Part D?

In 2024, Kiersten Elizabeth Mucha, PA had 62 Medicare Part D claims for 52 beneficiaries; the average among physician assistant prescribers was 830. 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.

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.