NPPES file of Aug 9, 2026

William Zachary Fenn, D.P.M.

Foot & Ankle Surgery Podiatrist · Southborough, MA

William Zachary Fenn, D.P.M. is a foot & ankle surgery podiatrist with a practice address in Southborough, Massachusetts, and NPI 1184897415, issued on Apr 8, 2008. Check the license (Massachusetts 2336, as entered in NPPES) with the Massachusetts 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
1184897415
Name
William Zachary Fenn
Credential
D.P.M.
Primary taxonomy
Foot & Ankle Surgery Podiatrist 213ES0103X
License numbers
2336 MA
0103301006 VA
Self-reported in NPPES; status is on the state search
Practice location
24 Newton St, Southborough, MA 01772
Phone
(508) 486-4472
Enumerated
Apr 8, 2008
Record last updated
Mar 28, 2025
Fax
(508) 460-3281
Medicaid ID
110153403A MA
Medicare enrollment
Enrolled (PECOS I20081107000145); accepts Medicare assignment
Medical or professional school
Temple University School Of Medicine, 2005
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 24 Newton St

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

  1. Christine Abraham, NPFamily Nurse Practitioner1215774658
  2. Namra ArifPsychologist1750865077
  3. Elizabeth Askew, O.D.Optometrist1427078120
  4. Iphigenia Balodimos, M.D.Obstetrics & Gynecology Physician1619900685
  5. Matthew Bean, M.D.Internal Medicine Physician1730107244
  6. Sarah Bechta, M.D.Pediatrics Physician1932124427

Verify William Zachary Fenn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 2336
    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 Massachusetts license search

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42% fewer Medicare Part D claims than the average foot & ankle surgery podiatrist in 2024

195 Medicare Part D claims for 94 beneficiaries, against an average of 335 among the 7,761 providers of this specialty who prescribed in Part D.

  1. William Fenn195
  2. Specialty average335

Most prescribed

  1. Clotrimazole32 claims
  2. Ciclopirox26 claims
  3. Doxycycline Monohydrate14 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: $57.94

3 payments; by number, the most common kind was food and beverage; the largest payer was Kairos Surgical Inc. The 6,936 providers of this specialty with any payment received $2,972.24 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Fenn$57.94
  2. Specialty average$2,972.24

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. Reliant Medical Group IncSouthborough, MA

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

William Zachary Fenn among 127 foot & ankle surgery podiatrist records in Massachusetts

William Zachary Fenn, D.P.M. is one of 127 foot & ankle surgery podiatrist records with a practice address in Massachusetts. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 35% of them.

  • NPI issued2008 · 35% of these records are older, 59% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 80% of these records are
  • Graduated2005 · median 2011 among the 101 with a school on file
  • Record last updated2025 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 213ES0103X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Foot & Ankle Surgery Podiatrist providers in Massachusetts

There are 127 foot & ankle surgery podiatrist records in Massachusetts.

The 8 foot & ankle surgery podiatrist records with the nearest ZIP codes

  1. Michael Sganga, DPMNatick, MA 017601215370093
  2. Damien Lucius, DPMMilford, MA 017571235150665
  3. Jeffy RoyWoburn, MA 018011326493297
  4. Glenn Ruhl, DPMWoburn, MA 018011639175714
  5. Drew Taft, D.P.MWoburn, MA 018011598928525
  6. Gregory Catalano, DPMConcord, MA 017421295799740
  7. Melissa RossiConcord, MA 017421811341068
  8. Adam Lang, DPMAndover, MA 018101518257468

Common questions

What is William Zachary Fenn, D.P.M.'s NPI number?

William Zachary Fenn, D.P.M.'s National Provider Identifier (NPI) is 1184897415, issued on Apr 8, 2008. An NPI identifies a provider in billing; it is not a license.

Where is William Zachary Fenn, D.P.M. located?

The NPPES record lists a practice address at 24 Newton St, Southborough, MA, 01772. Phone: (508) 486-4472. Providers update this record themselves, so call before visiting.

How can I verify William Zachary Fenn, D.P.M.'s license?

NPPES lists Massachusetts license number 2336, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does William Zachary Fenn, D.P.M. prescribe under Medicare Part D?

In 2024, William Zachary Fenn, D.P.M. had 195 Medicare Part D claims for 94 beneficiaries; the average among foot & ankle surgery podiatrist prescribers was 335. 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.