Margaret O'Neill Brown, M.D.
Radiology, Diagnostic Radiology (M.D.) in Knoxville, Tennessee, trained at University of Cincinnati College of Medicine (class of 1997). Medicare paid $145,218 for services to 1,829 patients in 2024. Volpara Health, Inc. reported $72.23 in payments in 2025, mostly food and beverage. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1366495681 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 18, 2006 |
| Last updated in NPPES | Aug 22, 2024 |
| Certified by provider | Aug 22, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | 50897 | TN |
| Specialist | 174400000X | 37669 | KY |
| Radiology, Diagnostic Radiology | 2085R0202X | ME149713 | FL |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in Tennessee, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | Margaret M. Brown | 1128b4 | Oct 18, 2007 | Louisville, TN |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | Possible (name) | See above |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Diagnostic Radiology (FL); Practitioner - Diagnostic Radiology (MA); Practitioner - Diagnostic Radiology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,829 |
|---|---|
| Services billed | 4,993 across 26 procedure codes |
| Paid by Medicare | $145,218 |
Education and affiliations
| Medical school | University of Cincinnati College of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Elite Imaging LLCZionsville, IN · 127 clinicians
- Vista Radiology, PCKnoxville, TN · 65 clinicians
- University Diagnostic Institute Winter Park PLLCLake Mary, FL · 8 clinicians
Hospital affiliations
- Fort Loudoun Medical CenterLenoir City, TN
- Fort Sanders Regional Medical CenterKnoxville, TN
- Leconte Medical CenterSevierville, TN
- Morristown Hamblen Hospital AssociationMorristown, TN
- Roane Medical CenterHarriman, TN
Industry payments (Open Payments)
- 2025$72.23 · 1 payment from 1 company
- 2024$36.29 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Volpara Health, Inc. | $72.23 | 1 |
What the 2025 payments were for
- Food and Beverage$72.23 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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