Quick answers
- Does Zachary A. Seymour accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary A. Seymour 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 Zachary A. Seymour see?
- In 2024, CMS data shows 297 Original Medicare patients and 1,590 services for Zachary A. Seymour. This counts Original Medicare only and measures volume, not quality.
- What is Zachary A. Seymour's NPI number?
- 1164758025. 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 Zachary A. Seymour, 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 | 297 |
|---|---|
| Services billed to Medicare | 1,590 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Ct guidance for insertion of radiation therapy fields (77014)587 services
- Calculation of radiation therapy dose (77300)178 services
- Design and construction of complex radiation treatment device (77334)111 services
- Radiation treatment management, 5 treatment sessions (77427)111 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)73 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%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
- Arthritis41%
- Diabetes40%
- Ischemic heart disease35%
Hospitals where Zachary A. Seymour works
Medicare's Facility Affiliation Data lists Zachary A. Seymour 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.
- Beaumont Hospital - DearbornDearborn, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230020
- Beaumont Hospital - Farmington HillsFarmington Hills, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230151
- Beaumont Hospital Royal OakRoyal Oak, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230130
- Corewell Health Trenton HospitalTrenton, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230176
- Corewell Health Wayne HospitalWayne, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230142
Practice locations
Addresses where Zachary A. Seymour is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 15; the Medicare profile lists all.
- 10000 Telegraph RdTaylor, MI 48180 (313) 295‑5360
- 10000 Telegraph Rd, Suite 100Taylor, MI 48180 (313) 887‑6000
- 18101 Oakwood BlvdDearborn, MI 48124
- 28100 Grand River AveFarmington Hills, MI 48336
- 33101 Annapolis St, Suite 100Wayne, MI 48184 (734) 467‑2670
Group practices
Medicare enrollment lists Zachary A. Seymour as a member of this group (CMS data updated October 2, 2026).
- Beaumont Medical Group- Specialty Services847 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Other clinicians in Beaumont Medical Group- Specialty Services
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164758025 |
| 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