DR. JOHN TIMOTHY CARMACK (MD, MPH) – Family Medicine Physician, NPI 1023034972
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,497 EMERGENCY MEDICINE in VA
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Provider Addresses for DR. JOHN TIMOTHY CARMACK (MD, MPH)
Riverside Tappahannock Hospital, 618, Hospital Road, Brays, Tappahannock, Essex County, Virginia, 22560, United States
TAPPAHANNOCK, VA 225605000
Phone: (804) 443-6297
Type: Location
3450, Maidens Road, Powhatan County, Virginia, 23139, United States
POWHATAN, VA 231394015
Phone: (804) 928-8167
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $69.
Total Amount is formed as General ($69) + Research ($0) + Ownership ($0) = $69.
Last reported payment date: 2024-08-06 • Largest payer in this snapshot: Novo Nordisk Inc ($39).
Total Amount
$69
General + Research + Ownership
Payments
4
Total payment records
General Amount
$69
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $39 |
| E.R. Squibb & Sons, L.L.C. | $16 |
| Dexcom, Inc. | $15 |
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: 2025-03-11
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 4 Medicare enrollment records; no due dates published yet.
Enrollment records
4
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 |
|---|---|---|---|---|
| I20040720000703 | I | Emergency Medicine | VA | TBD |
| I20200530000112 | I | Emergency Medicine | NC | TBD |
| I20220527001766 | I | Emergency Medicine | WV | TBD |
| I20250311002664 | I | Family Practice | DC | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 22560)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| EMERGENCY MEDICINE | VA | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 35 | 32 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | DC | |
| Nurse Practitioner | GA | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | DC | |
| Nurse Practitioner | MD | |
| Physician Assistant | VA | |
| Pediatric Medicine, General Practice | VA | |
| Emergency Medicine | IL | |
| Physician Assistant | MD |
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