NPPES file of Aug 9, 2026

William Diefenbach

Neurological Surgery Physician · Erie, PA

William Diefenbach is a neurological surgery physician with a practice address in Erie, Pennsylvania, and NPI 1740268812, issued on Jan 9, 2006. Check the license (Pennsylvania MD050177L, as entered in NPPES) on the Pennsylvania Department of State (PALS); 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
1740268812
Name
William Diefenbach
Primary taxonomy
Neurological Surgery Physician 207T00000X
License number
MD050177L PA
Self-reported in NPPES; status is on the state search
Practice location
2374 Village Common Dr, Erie, PA 16506
Phone
(814) 833-7246
Enumerated
Jan 9, 2006
Record last updated
Mar 25, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2374 Village Common Dr

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

  1. Mary Benedict, PTPhysical Therapist1114982543
  2. Glenn Labrozzi, PT, DPTPhysical Therapist1043250764

Verify William Diefenbach in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD050177L
    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
Open the Pennsylvania license search

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Industry payments in 2024: $224.24

3 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Diefenbach$224
  2. Specialty average$14,926

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

William Diefenbach among 447 neurological surgery physician records in Pennsylvania

William Diefenbach is one of 447 neurological surgery physician records with a practice address in Pennsylvania. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 63% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2021 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurological Surgery Physician providers in Pennsylvania

There are 447 neurological surgery physician records in Pennsylvania.

The 8 neurological surgery physician records with the nearest ZIP codes

  1. Jonathan BellotteErie, PA 165071275533119
  2. Gregory Bowden, M.D,Erie, PA 165071477938413
  3. Brian Dalton, M.D.Erie, PA 165071235137852
  4. Salem El-Zuway, MDErie, PA 165071912414707
  5. Steven GilmanErie, PA 165071750388229
  6. Richard Hall, MDErie, PA 165051215172119
  7. Daniel LoeschErie, PA 165071861498008
  8. Matthew Quigley, MDErie, PA 165071568463859

Common questions

What is William Diefenbach's NPI number?

William Diefenbach's National Provider Identifier (NPI) is 1740268812, issued on Jan 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Diefenbach located?

The NPPES record lists a practice address at 2374 Village Common Dr, Erie, PA, 16506. Phone: (814) 833-7246. Providers update this record themselves, so call before visiting.

How can I verify William Diefenbach's license?

NPPES lists Pennsylvania license number MD050177L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.