Margaret Brown, M.D.
NPI 1366495681 · Diagnostic Radiology Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Brown, M.D. is a Diagnostic Radiology Physician provider in Knoxville, TN (NPI 1366495681).
Provider details
- NPI number
- 1366495681
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 37669 (KY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,871 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Screening Mammography77067 | 1,300 | $33 |
| Screening 3d Breast Mammography77063 | 1,299 | $26 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 300 | $9 |
| Screening Mammography77067 | 221 | $118 |
| Screening 3d Breast Mammography77063 | 216 | $49 |
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066)G0279 | 97 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$36 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-18
- Last updated
- 2024-08-22
- Certified
- 2024-08-22
Frequently asked questions
- What is Margaret Brown's NPI number?
- Margaret Brown's National Provider Identifier (NPI) is 1366495681, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Brown's specialty?
- Margaret Brown is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Brown located?
- Margaret Brown's practice location on file with NPPES is 2001 Laurel Ave # N304, Knoxville, TN 37916-1810.
- What is Margaret Brown's phone number?
- The practice phone number listed in the NPPES registry for Margaret Brown is (865) 766-6870.
- Does Margaret Brown accept Medicare?
- Margaret Brown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Brown's NPI active?
- Yes — Margaret Brown's NPI (1366495681) is active in the NPPES registry as of the last update on 2024-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.