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Optometry

Thomas M. Adamczak, OD

Sees patients in Fremont, MI · Whitehall, MI · Michigan

Summary

Dr. Thomas M. Adamczak, OD is an optometrist at 1231 W Main St, Fremont, MI 49412. Phone: (231) 924-2700. Accepts Medicare assignment. In 2024, Thomas M. Adamczak had 34 Original Medicare patients and 48 services. NPI 1083614911. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 1231 W Main St, Fremont, MI 49412 · Directions (1 more location)
  • Phone: (231) 924‑2700
  • Medicare: Accepts Medicare assignment
  • Group practice: E.C. One, PLLC
  • Optometry school: Ferris State College - College Of Optometry · graduated 1995 (31 years since optometry school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Thomas M. Adamczak, 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 M. Adamczak accept Medicare assignment?
Yes. Medicare's clinician data says Thomas M. Adamczak 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 M. Adamczak see?
In 2024, CMS data shows 34 Original Medicare patients and 48 services for Thomas M. Adamczak. This counts Original Medicare only and measures volume, not quality.
What is Thomas M. Adamczak's NPI number?
1083614911. 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 M. Adamczak, 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 patients34
Services billed to Medicare48
Different services or procedures9
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient complete exam of visual system (92014)12 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 blood pressure75%
  • High cholesterol68%
  • Diabetes44%
  • Arthritis41%
  • Anxiety38%
  • Chronic kidney disease32%

Practice locations

Addresses where Thomas M. Adamczak is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Thomas M. Adamczak as a member of this group (CMS data updated October 2, 2026).

  • E.C. One, PLLC11 clinicians in the group

Specialties

Find other clinicians: Optometry, Michigan →

Other optometrists in Fremont

Clinicians with the same Medicare primary specialty in Fremont, MI — not a recommendation.

All optometrists in Fremont →

Other clinicians in E.C. One, PLLC

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

Clinician information

CredentialOD
Optometry schoolFerris State College - College Of Optometry
Graduation year1995 (31 years since optometry school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1083614911
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians