DR. GREGORY VAUGHN BREWER (M.D.) – Interventional Cardiology Physician, NPI 1285621870
Interventional Cardiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
923 CARDIOVASCULAR DISEASE (CARDIOLOGY) in VA
Provider Addresses for DR. GREGORY VAUGHN BREWER (M.D.)
PO BOX 31993
KNOXVILLE, TN 379301993
Phone: (865) 691-8011
Fax: (865) 531-6587
Type: Mailing
671 Highway 58 E
Norton, VA 242733007
Phone: (276) 679-5874
Type: Location
127 Health Care Dr Ste 3
Pennington Gap, VA 242772853
Phone: (276) 299-5000
Type: Location
Prosperity Drive, Sheraton Executive Park, Cedar Bluff, Knoxville, Knox County, East Tennessee, Tennessee, 37923, United States
KNOXVILLE, TN 37923
Phone: (865) 691-8011
Fax: (865) 531-6587
Type: Location
1021 W OAKLAND AVE STE 310
JOHNSON CITY, TN 376042192
Phone: (423) 302-6565
Type: Mailing
2033 Meadowview Ln Ste 110
Kingsport, TN 376607569
Phone: (423) 230-5000
Type: Location
2050 Meadowview Pkwy
Kingsport, TN 376607475
Phone: (423) 230-5000
Type: Location
378 Marketplace Blvd Ste 5
Johnson City, TN 376042361
Phone: (423) 282-0751
Type: Location
743 Island Rd
Bristol, VA 242017403
Phone: (276) 469-4200
Type: Location
314 Prosperity Drive
Knoxville, TN 37923
Phone: (865) 691-8011
Fax: (865) 531-6587
Type: Location
1490 PARK AVE NW STE 3C
NORTON, VA 242731631
Phone: (276) 679-0252
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 26 Open Payments records for all available years, with a total value of $429.
Total Amount is formed as General ($429) + Research ($0) + Ownership ($0) = $429.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) ($122).
Total Amount
$429
General + Research + Ownership
Payments
26
Total payment records
General Amount
$429
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2023-11-01
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20040220000882 | I | Cardiovascular Disease (Cardiology) | TN | TBD |
| I20231101003848 | I | Interventional Cardiology | VA | 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 |
|---|---|---|---|---|
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 81 | 81 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 47 | 38 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 33 | 31 | $0 |
| 93356 | Heart muscle strain imaging | 22 | 22 | $0 |
| 78452 | Nuclear medicine studies of heart muscle at rest and with stress and spect | 21 | 21 | $0 |
Insurance plans in this area (ZIP 37930)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | TN | 78452 | Nuclear medicine study of vessels of heart using drugs or exercise multiple studies | 66 | 66 |
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | TN | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 1707 | 1419 |
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | TN | 93280 | Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report | 39 | 32 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Interventional Cardiology | FL | |
| Nurse Practitioner | TN | |
| Physician Assistant | TN | |
| - | TN | |
| Nurse Practitioner | TN | |
| Nurse Practitioner | TN | |
| - | TN | |
| - | TN | |
| Cardiovascular Disease (Cardiology), Cardiac Electrophysiology | TN | |
| Nurse Practitioner | VA |
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