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Family Practice

Thomas I. Dilamarter Jr., MD

Works at hospitals in Springville, NY · Dunkirk, NY · Buffalo, NY · New York

Summary

Dr. Thomas I. Dilamarter Jr., MD is a family doctor at 30 N Union Rd, Williamsville, NY 14221. Phone: (716) 747-4000. Accepts Medicare assignment. In 2024, Thomas I. Dilamarter Jr. had 203 Original Medicare patients and 718 services. NPI 1023030251. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 30 N Union Rd, Williamsville, NY 14221 · Directions (2 more locations)
  • Phone: (716) 747‑4000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Bertrand Chaffee Hospital, Brooks-Tlc Hospital System, Inc, Kaleida Health and 2 more
  • Group practice: Buffalo Hearing and Speech Center, Inc (+1 more)
  • Medical school: State University Of New York At Buffalo School Of Medicine · graduated 1990 (36 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Thomas I. Dilamarter Jr., joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Thomas I. Dilamarter Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Thomas I. Dilamarter Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Thomas I. Dilamarter Jr. see?
In 2024, CMS data shows 203 Original Medicare patients and 718 services for Thomas I. Dilamarter Jr.. This counts Original Medicare only and measures volume, not quality.
What is Thomas I. Dilamarter Jr.'s NPI number?
1023030251. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Thomas I. Dilamarter Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients203
Services billed to Medicare718
Different services or procedures33
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)200 services
  2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)134 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)58 services
  4. Injection of drug or substance under skin or into muscle (96372)54 services
  5. Administration of influenza virus vaccine (G0008)44 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure70%
  • Arthritis49%
  • Anxiety30%
  • Ischemic heart disease28%
  • Diabetes24%

Hospitals where Thomas I. Dilamarter Jr. works

Medicare's Facility Affiliation Data lists Thomas I. Dilamarter Jr. at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Thomas I. Dilamarter Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Thomas I. Dilamarter Jr. as a member of these groups (CMS data updated October 2, 2026).

  • Buffalo Hearing and Speech Center, Inc43 clinicians in the group
  • Preferred Physician Care PC27 clinicians in the group

Specialties

Find other Family Practice doctors in New York →

Other family doctors in Williamsville

Clinicians with the same Medicare primary specialty in Williamsville, NY — not a recommendation.

All family doctors in Williamsville →

Other clinicians in Buffalo Hearing and Speech Center, Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolState University Of New York At Buffalo School Of Medicine
Graduation year1990 (36 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1023030251
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians