NPPES file of Aug 9, 2026

William S. Pierce, DPM

Foot Surgery Podiatrist · West Seneca, NY

William S. Pierce, DPM is a foot surgery podiatrist with a practice address in West Seneca, New York, and NPI 1447464433, issued on May 9, 2007. Check the license (New York N003337, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1447464433
Name
William S. Pierce
Credential
DPM
Primary taxonomy
Foot Surgery Podiatrist 213ES0131X
License number
N003337 NY
Self-reported in NPPES; status is on the state search
Practice location
4184 Seneca St, West Seneca, NY 14224
Phone
(716) 675-3555
Enumerated
May 9, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(716) 675-3556
Medicaid ID
00908163 NY
Medicare enrollment
Enrolled (PECOS I20050218000338); accepts Medicare assignment
Medical or professional school
California School Of Podiatric Medicine, 1981
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 4184 Seneca St

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

  1. June Campbell-Vanremmen, LCSWMental Health Counselor1699764076
  2. Thomas Cullen, LCSWClinical Social Worker1245254481
  3. Leonard Defazio, Jr, D.C.Chiropractor1841491784
  4. Eric Diramio, D.C.Chiropractor1578767745
  5. Tracy Doyle, PT, CHTHand Physical Therapist1467467878
  6. Jill Hilburger, LCSWRSocial Worker1861408684

Verify William S. Pierce 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 N003337
    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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77% fewer Medicare Part D claims than the average foot surgery podiatrist in 2024

81 Medicare Part D claims for 47 beneficiaries, against an average of 358 among the 1,032 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.

  1. William Pierce81
  2. Specialty average358

Most prescribed

  1. Silver Sulfadiazine21 claims
  2. Ketoconazole16 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 94.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score78.8
  2. Costout of 100 · 30%68.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital affiliation

  1. Kaleida HealthBuffalo, NY · Acute Care Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

William S. Pierce among 379 foot surgery podiatrist records in New York

William S. Pierce, DPM is one of 379 foot surgery podiatrist records with a practice address in New York. 76% 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 69% of them.

  • NPI issued2007 · 69% of these records are older, 20% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated1981 · median 1997 among the 246 with a school on file
  • Record last updated2007 · 76% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 213ES0131X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Foot Surgery Podiatrist providers in New York

There are 379 foot surgery podiatrist records in New York.

The 8 foot surgery podiatrist records with the nearest ZIP codes

  1. Michael Szalach, DPMWest Seneca, NY 142241063568772
  2. Aaron Czekaj, DPMBuffalo, NY 142221922261379
  3. Cynthia Ferrelli, DPMBuffalo, NY 142211710970108
  4. Michael Lacivita, DPMWilliamsville, NY 142211285651018
  5. James Skalski, DPMCheektowaga, NY 142271821080011
  6. Richard Caputi, D.P.M.Kenmore, NY 142171679594238
  7. N Hollenberg, D.P.M.Buffalo, NY 142151104925288
  8. Maurice Gelia, D.P.M.Tonawanda, NY 141501093726952

Common questions

What is William S. Pierce, DPM's NPI number?

William S. Pierce, DPM's National Provider Identifier (NPI) is 1447464433, issued on May 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William S. Pierce, DPM located?

The NPPES record lists a practice address at 4184 Seneca St, West Seneca, NY, 14224. Phone: (716) 675-3555. Providers update this record themselves, so call before visiting.

How can I verify William S. Pierce, DPM's license?

NPPES lists New York license number N003337, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does William S. Pierce, DPM prescribe under Medicare Part D?

In 2024, William S. Pierce, DPM had 81 Medicare Part D claims for 47 beneficiaries; the average among foot surgery podiatrist prescribers was 358. Part D covers Medicare prescriptions only.

What is William S. Pierce, DPM's MIPS final score?

The 2023 MIPS final score is 94.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.