ZACHARY A SEYMOUR (M.D.) – Radiation Oncology Physician, NPI 1164758025
Radiation Oncology Physician
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Profile Insights
NPPES metrics only — not quality of care.
248 RADIATION ONCOLOGY in MI
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Provider Addresses for ZACHARY A SEYMOUR (M.D.)
Beaumont Boulevard, Southfield, Oakland County, Michigan, 48034, United States
SOUTHFIELD, MI 480333849
Phone:
Type: Mailing
William Beaumont Hospital (Troy campus), 44201, Dequindre Road, Troy, Macomb County, Michigan, 48085, United States
WILLIAM BEAUMONT HOSPITAL
TROY, MI 480851117
Phone: (248) 577-9700
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $1,257.
Total Amount is formed as General ($1,257) + Research ($0) + Ownership ($0) = $1,257.
Last reported payment date: 2023-11-07 • Largest payer in this snapshot: Brainlab, Inc. ($1,257).
Total Amount
$1,257
General + Research + Ownership
Payments
3
Total payment records
General Amount
$1,257
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-11-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Brainlab, Inc. | $1,257 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2015-08-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20150819007071 | I | Radiation Oncology | MI | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 77014 | Ct guidance for insertion of radiation therapy fields | 657 | 121 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 211 | 40 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 170 | 122 | $0 |
| 77300 | Calculation of radiation therapy dose | 160 | 49 | $0 |
| 77334 | Design and construction of complex radiation treatment device | 67 | 26 | $0 |
Insurance plans in this area (ZIP 48033)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| RADIATION ONCOLOGY | MI | 77427 | Radiation treatment management, 5 treatments | 159 | 65 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MI | |
| Hematology/Oncology, Internal Medicine | MI | |
| P S Y C H I A T R Y | MI | |
| - | MI | |
| Internal Medicine, Cardiovascular Disease (Cardiology) | MI | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | MI | |
| - | MI | |
| - | MI | |
| - | MI | |
| - | MI |
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