Quick answers
- Does Thomas R. Greenwood accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas R. Greenwood 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 R. Greenwood see?
- In 2024, CMS data shows 227 Original Medicare patients and 636 services for Thomas R. Greenwood. This counts Original Medicare only and measures volume, not quality.
- What is Thomas R. Greenwood's NPI number?
- 1063941656. 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 R. Greenwood, 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 | 227 |
|---|---|
| Services billed to Medicare | 636 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)228 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)221 services
- Hospital discharge day management, more than 30 minutes (99239)84 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)34 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)20 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 cholesterol75%
- Chronic kidney disease54%
- Diabetes53%
- Arthritis51%
- Heart failure51%
Hospitals where Thomas R. Greenwood works
Medicare's Facility Affiliation Data lists Thomas R. Greenwood 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.
- Essentia Health DuluthDuluth, MN · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 240019
- Essentia Health St Mary's Medical CenterDuluth, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240002
- Essentia Health VirginiaVirginia, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 240084
- North Memorial Health HospitalRobbinsdale, MN · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 240001
- Spooner Health SystemSpooner, WI · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 521332
Practice locations
Addresses where Thomas R. Greenwood is enrolled with Medicare (CMS data updated October 2, 2026).
- 400 E 3rd StDuluth, MN 55805 (218) 786‑8364
Group practices
Medicare enrollment lists Thomas R. Greenwood as a member of this group (CMS data updated October 2, 2026).
- The Duluth Clinic Ltd1,144 clinicians in the group
Specialties
- Hospitalistprimary
- Family Practicealso
Other hospitalists in Duluth
Clinicians with the same Medicare primary specialty in Duluth, MN — not a recommendation.
Other clinicians in The Duluth Clinic Ltd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Pacific Nw Un Of Hs, Col Of Osteopathic Medicine |
| Graduation year | 2019 (7 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063941656 |
| 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