Zachary Seymour, M.D.
NPI 1164758025 · Radiation Oncology Physician · Troy, MI
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Seymour, M.D. is a Radiation Oncology Physician provider in Troy, MI (NPI 1164758025).
Provider details
- NPI number
- 1164758025
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301108391 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,505 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 587 | $44 |
| Calculation of Radiation Therapy Dose77300 | 178 | $32 |
| Design and Construction of Complex Radiation Treatment Device77334 | 111 | $60 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 111 | $190 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 73 | $36 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 66 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 430 | 146 |
| Bicalutamide | 67 | 28 |
| Dexamethasone | 55 | 31 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 30 | 28 |
| Terazosin Hcl | 26 | — |
| Gabapentin | 21 | — |
| Tolterodine Tartrate | 18 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-10-28
- Last updated
- 2020-10-22
- Certified
- 2020-10-22
Frequently asked questions
- What is Zachary Seymour's NPI number?
- Zachary Seymour's National Provider Identifier (NPI) is 1164758025, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Seymour's specialty?
- Zachary Seymour is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Seymour located?
- Zachary Seymour's practice location on file with NPPES is 44201 Dequindre Rd, Troy, MI 48085-1117.
- What is Zachary Seymour's phone number?
- The practice phone number listed in the NPPES registry for Zachary Seymour is (248) 577-9700.
- Does Zachary Seymour accept Medicare?
- Zachary Seymour is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Seymour's NPI active?
- Yes — Zachary Seymour's NPI (1164758025) is active in the NPPES registry as of the last update on 2020-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.