Quick answers
- Does Timothy P. Lemieur accept Medicare assignment?
- Yes. Medicare's clinician data says Timothy P. Lemieur 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 Timothy P. Lemieur see?
- In 2024, CMS data shows 29 Original Medicare patients and 50 services for Timothy P. Lemieur. This counts Original Medicare only and measures volume, not quality.
- What is Timothy P. Lemieur's NPI number?
- 1255315008. 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 Timothy P. Lemieur, 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 patients | 29 |
|---|---|
| Services billed to Medicare | 50 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
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 cholesterol69%
- Arthritis41%
- Anxiety41%
- Depression38%
- Heart failure38%
Hospitals where Timothy P. Lemieur works
Medicare's Facility Affiliation Data lists Timothy P. Lemieur 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.
- Cuyuna Regional Medical CenterCrosby, MN · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 241353
- Riverwood Healthcare CenterAitkin, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241305
Practice locations
Addresses where Timothy P. Lemieur is enrolled with Medicare (CMS data updated October 2, 2026).
- 200 Bunker Hill DrAitkin, MN 56431 (218) 927‑2157
- 320 E Main StCrosby, MN 56441 (218) 546‑7000
Group practices
Medicare enrollment lists Timothy P. Lemieur as a member of these groups (CMS data updated October 2, 2026).
- Cuyuna Regional Medical Center134 clinicians in the group
- Aitkin Community Hospital Inc105 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Aitkin
Clinicians with the same Medicare primary specialty in Aitkin, MN — not a recommendation.
Other clinicians in Cuyuna Regional Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Minnesota Medical School |
| Graduation year | 1993 (33 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255315008 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians