MARGARET O'NEILL BROWN (M.D.) – Diagnostic Radiology Physician, NPI 1366495681
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,081 DIAGNOSTIC RADIOLOGY in TN
Provider Addresses for MARGARET O'NEILL BROWN (M.D.)
2001 LAUREL AVE # N304
KNOXVILLE, TN 379161810
Phone: (865) 766-6870
Fax: (865) 584-4426
Type: Location
1400 DOWELL SPRINGS BLVD STE 200
KNOXVILLE, TN 379092457
Phone: (865) 584-0291
Fax: (865) 584-4426
Type: Location
904 WEATHERLY HILLS BLVD
KNOXVILLE, TN 379341667
Phone: (865) 288-7157
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $36.
Total Amount is formed as General ($36) + Research ($0) + Ownership ($0) = $36.
Last reported payment date: 2024-07-11 • Largest payer in this snapshot: Lundbeck LLC ($21).
Total Amount
$36
General + Research + Ownership
Payments
2
Total payment records
General Amount
$36
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Lundbeck LLC | $21 |
| CONMED Corporation | $16 |
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: 2024-10-16
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 |
|---|---|---|---|---|
| I20140415001561 | I | Diagnostic Radiology | TN | TBD |
| I20210825001724 | I | Diagnostic Radiology | FL | TBD |
| I20241016000177 | I | Diagnostic Radiology | MA | 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 |
|---|---|---|---|---|
| 77067 | Screening mammography | 1,360 | 1,360 | $0 |
| 77063 | Screening 3d breast mammography | 1,355 | 1,355 | $0 |
| A9577 | Injection, gadobenate dimeglumine (multihance), per ml | 272 | 16 | $0 |
| 77080 | Dxa bone density measurement of hip, pelvis, spine | 116 | 116 | $0 |
| 77065 | Diagnostic mammography of 1 breast | 114 | 97 | $0 |
Insurance plans in this area (ZIP 37916)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TN | |
| - | TN | |
| Diagnostic Radiology, Nuclear Medicine | TX | |
| Diagnostic Radiology | TN | |
| Diagnostic Radiology | SC | |
| Nurse Practitioner | TN | |
| Diagnostic Radiology | TN | |
| Diagnostic Radiology | TN | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology, Interventional Radiology | TN |
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