Quick answers
- Does Thomas F. Boyden Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas F. Boyden 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 F. Boyden Jr. see?
- In 2024, CMS data shows 967 Original Medicare patients and 1,657 services for Thomas F. Boyden Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Thomas F. Boyden Jr.'s NPI number?
- 1558488874. 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 F. Boyden 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 patients | 967 |
|---|---|
| Services billed to Medicare | 1,657 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)349 services
- Physician review, interpretation, and patient management of home inr testing for patient with either mechanical heart valve(s), chronic atrial fibrillation, or venous thromboembolism who meets medicare coverage criteria; testing not occurring more frequent (G0250)270 services
- Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician (93018)98 services
- Ultrasound of heart with color-depicted blood flow, rate and valve function (93325)98 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)85 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%
- Ischemic heart disease54%
- Arthritis51%
- Heart failure44%
- Atrial fibrillation44%
Hospitals where Thomas F. Boyden Jr. works
Medicare's Facility Affiliation Data lists Thomas F. Boyden 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.
- Corewell Health Big Rapids HospitalBig Rapids, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230093
- Corewell Health Ludington HospitalLudington, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230110
- Corewell Health Pennock HospitalHastings, MI · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 231339
- Spectrum HealthGrand Rapids, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230038
- Spectrum Health United HospitalGreenville, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 230035
Practice locations
Addresses where Thomas F. Boyden Jr. is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 23; the Medicare profile lists all.
- 100 Michigan Ave NEGrand Rapids, MI 49503
- 100 Michigan St NE Rm, 280 Corewell Health Medical Group WestGrand Rapids, MI 49503 (616) 267‑0115
- 1009 W Green St, Corewell Health Medical Group WestHastings, MI 49058 (269) 945‑1212
- 145 Michigan St NE, 4100 Corewell Health Medical Group WestGrand Rapids, MI 49503 (616) 486‑6314
- 1840 Wealthy St SE, Corewell Health Medical Group WestGrand Rapids, MI 49506 (616) 885‑5000
Group practices
Medicare enrollment lists Thomas F. Boyden Jr. as a member of this group (CMS data updated October 2, 2026).
- Spectrum Health Primary Care Partners2,294 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Michigan →
Other cardiologists in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Other clinicians in Spectrum Health Primary Care Partners
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1558488874 |
| 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