MARCUS MICHAEL BROWN (M.D.) – Diagnostic Radiology Physician, NPI 1275776965
Diagnostic Radiology Physician
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Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
384 DIAGNOSTIC RADIOLOGY in OK
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Provider Addresses for MARCUS MICHAEL BROWN (M.D.)
4500, South Garnett Road East, Tulsa, Oklahoma, 74146, United States
300
TULSA, OK 741465229
Phone: (870) 897-3456
Type: Location
1001, South Duncan Street, Downtown Stillwater, Stillwater, Payne County, Oklahoma, 74074, United States
STILLWATER, OK 740744424
Phone: (870) 897-3456
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2021-06-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20150901002419 | I | Diagnostic Radiology | OK | TBD |
| I20150910000185 | I | Diagnostic Radiology | TX | TBD |
| I20210628001720 | I | Diagnostic Radiology | AR | 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 |
|---|---|---|---|---|
| 71045 | X-ray of chest, 1 view | 1,156 | 946 | $0 |
| 70450 | Ct scan head or brain without contrast | 505 | 469 | $0 |
| 77067 | Screening mammography | 400 | 400 | $0 |
| 77063 | Screening 3d breast mammography | 380 | 380 | $0 |
| 71046 | X-ray of chest, 2 views | 322 | 313 | $0 |
Insurance plans in this area (ZIP 74146)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | OK | 71250 | CT scan chest | 173 | 152 |
| DIAGNOSTIC RADIOLOGY | OK | 73562 | X-ray of knee, 3 views | 169 | 138 |
| DIAGNOSTIC RADIOLOGY | OK | 77012 | Radiological supervision and interpretation of CT guidance for needle insertion | 13 | 13 |
| DIAGNOSTIC RADIOLOGY | OK | 78452 | Nuclear medicine study of vessels of heart using drugs or exercise multiple studies | 159 | 158 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IN | |
| H E M A T O L O G Y/ O N C O L O G Y | DE | |
| Nurse Practitioner | NC | |
| Nurse Practitioner | FL | |
| P A T H O L O G Y | FL | |
| Nurse Practitioner | KS | |
| - | MO | |
| Nurse Practitioner | MD | |
| - | GA | |
| - | FL |
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