NPPES file of Aug 9, 2026

Thomas A. Diakun, M.D.

Anesthesiology Physician · Buffalo, NY

Thomas A. Diakun, M.D. is an anesthesiology physician with a practice address in Buffalo, New York, and NPI 1679668305, issued on Oct 4, 2006. Check the license (New York 169375-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1679668305
Name
Thomas A. Diakun
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
169375-1 NY
Self-reported in NPPES; status is on the state search
Practice location
2121 Main Street, Buffalo, NY 14214
Phone
(716) 836-7510
Enumerated
Oct 4, 2006
Record last updated
Dec 23, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(716) 836-7511
Medicaid ID
01042722 NY
Medicare enrollment
Enrolled (PECOS I20121129000166); accepts Medicare assignment
Medical or professional school
State University Of New York At Buffalo School Of Medicine, 1983
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 2121 Main Street

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

  1. Joseph Anain, M.D.Vascular Surgery Physician1235100041
  2. Paul Anain, MDVascular Surgery Physician1003887811
  3. Gregory Clabeaux, DOVascular Surgery Physician1205098159
  4. Lawrence Rosen, DDSDentist1457496986

Verify Thomas A. Diakun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 169375-1
    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 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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Bills Medicare through one group practice

  1. Parkside Medical Anesthesia AssociatesBuffalo, NY

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

Thomas A. Diakun among 5,062 anesthesiology physician records in New York

Thomas A. Diakun, M.D. is one of 5,062 anesthesiology physician records with a practice address in New York. 77% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 52% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1983 · median 2006 among the 3,612 with a school on file
  • Record last updated2011 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

167 anesthesiology physician records list a practice address in Buffalo

They are 167 of the 13,287 NPPES records with a practice address in Buffalo, and 5,062 anesthesiology physician records in New York.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Ravi Alluri, M.D.Buffalo, NY 142141083930051
  2. David Anthone, M.D.Buffalo, NY 142141073627311
  3. Laura Dombrowski, D.O.Buffalo, NY 142141689820516
  4. Xiaohong Fang, MDBuffalo, NY 142141164740890
  5. Marco Foramiglio, MDBuffalo, NY 142141134177041
  6. Joseph Irrera, M.D.Buffalo, NY 142141952333551
  7. Paul Karas, M.D.Buffalo, NY 142141245264605
  8. Edward Plata, M.D.Buffalo, NY 142141346271590

Common questions

What is Thomas A. Diakun, M.D.'s NPI number?

Thomas A. Diakun, M.D.'s National Provider Identifier (NPI) is 1679668305, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas A. Diakun, M.D. located?

The NPPES record lists a practice address at 2121 Main Street, Buffalo, NY, 14214. Phone: (716) 836-7510. Providers update this record themselves, so call before visiting.

How can I verify Thomas A. Diakun, M.D.'s license?

NPPES lists New York license number 169375-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. 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.