DR. JOHN F CARMACK (MD) – Family Medicine Physician, NPI 1639152812
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,174 FAMILY PRACTICE in VA
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Provider Addresses for DR. JOHN F CARMACK (MD)
Post Office Drive Up Box, Foothills Plaza, Sherwood Forest, Maryville, Blount County, East Tennessee, Tennessee, 37802, United States
FOREST, VA 245510389
Phone: (434) 552-5696
Fax: (434) 525-4035
Type: Mailing
1175, Corporate Park Drive, Bedford County, Virginia, 24551, United States
FOREST, VA 245512238
Phone: (434) 525-6964
Fax: (434) 525-4035
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 160 Open Payments records for all available years, with a total value of $2,762.
Total Amount is formed as General ($2,762) + Research ($0) + Ownership ($0) = $2,762.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: Novo Nordisk Inc ($693).
Total Amount
$2,762
General + Research + Ownership
Payments
160
Total payment records
General Amount
$2,762
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $693 |
| PFIZER INC. | $346 |
| Lilly USA, LLC | $172 |
| GlaxoSmithKline, LLC. | $155 |
| AstraZeneca Pharmaceuticals LP | $130 |
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: 2007-11-16
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20071116000337 | I | Family Practice | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 805 | 491 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 783 | 462 | $0 |
| 80061 | Blood test, lipids (cholesterol and triglycerides) | 628 | 432 | $0 |
| 80048 | Blood test, basic group of blood chemicals (calcium, total) | 609 | 401 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 566 | 407 | $0 |
Insurance plans in this area (ZIP 24551)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| FAMILY MEDICINE | VA | 83036 | Hemoglobin A1C level | 430 | 263 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | VA | |
| - | VA | |
| Internal Medicine, Pulmonary Disease | MD | |
| - | VA | |
| - | MD | |
| - | VA | |
| - | VA | |
| - | MD | |
| Physician Assistant | VA | |
| Physician Assistant | MI |
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