RACHEL M BARKER (MD) – Diagnostic Radiology Physician, NPI 1184883092
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,081 DIAGNOSTIC RADIOLOGY in TN
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Provider Addresses for RACHEL M BARKER (MD)
Laurel Avenue, Fort Sanders, Knoxville, Knox County, Tennessee, 37916, United States
KNOXVILLE, TN 379161810
Phone: (865) 766-6870
Mailing address matches the actual address.
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: 2020-04-14
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 |
|---|---|---|---|---|
| I20100323000409 | I | Diagnostic Radiology | TN | TBD |
| I20190219002794 | I | Diagnostic Radiology | KY | TBD |
| I20200414003167 | I | Diagnostic Radiology | CO | 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 | 481 | 455 | $0 |
| 70450 | Ct scan head or brain without contrast | 328 | 321 | $0 |
| 74176 | Ct scan of abdomen and pelvis without contrast | 170 | 162 | $0 |
| 71275 | Ct scan of blood vessels of chest with contrast | 129 | 125 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 120 | 118 | $0 |
Insurance plans in this area (ZIP 37916)
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Provider's Procedures
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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