Doctor profile · Federal record
Dr. John Carroll, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Knoxville, TN
- NPI 1508811860
- Accepts Medicare
- 25 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
10689 Hardin Valley RD
Knoxville, TN 379321504
(865) 692-1220
fax (865) 692-1499 - Mailing address
-
1225 E Weisgarber RD, Suite 200
Knoxville, TN 379092604
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- December 18, 2017
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Tennessee #MD38722
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508811860. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,419
Distinct HCPCS
10
Medicare allowed
$88,976
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 347 | 195 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 336 | 210 | $117 | |
80053 |
Blood test, comprehensive group of blood chemicals | 285 | 187 | $10 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 279 | 186 | $7 | |
83036 |
Hemoglobin a1c level | 148 | 98 | $9 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 138 | 138 | $118 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 118 | 112 | $13 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 118 | 75 | $83 | |
96372 |
Injection of drug or substance under skin or into muscle | 114 | 15 | $13 | |
90674 |
Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free | 72 | 72 | $33 |
In context: peer comparison
Among 77 peers in Knoxville Internal Medicine Physician, average services per provider: 140. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$63
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Antares Pharma, INC. | 2 | $51.09 | |
| Spinefrontier, INC. | 1 | $12.39 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,401
Patients
742
Total drug cost
$22,627
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 317 | 86 | $2,832 |
| Atorvastatin Calcium | Generic | 301 | 89 | $2,704 |
| Omeprazole | Generic | 236 | 81 | $2,310 |
| Gabapentin | Generic | 191 | 60 | $2,082 |
| Amlodipine Besylate | Generic | 188 | 56 | $1,105 |
| Rosuvastatin Calcium | Generic | 157 | 54 | $1,555 |
| Lisinopril | Generic | 139 | 45 | $691 |
| Fluticasone Propionate | Generic | 118 | 41 | $1,245 |
| Losartan Potassium | Generic | 118 | 37 | $1,190 |
| Pantoprazole Sodium | Generic | 114 | 35 | $1,370 |
Hospital affiliations
Frequently asked questions
What is Dr. John Carroll's medical specialty?
Dr. John Carroll practices Internal Medicine Physician in Knoxville, TN.
Where does Dr. John Carroll practice?
Dr. John Carroll practices at 10689 Hardin Valley RD, Knoxville, TN 379321504. Office phone: 8656921220.
What is Dr. John Carroll's NPI?
Dr. John Carroll's National Provider Identifier (NPI) is 1508811860, issued by NPPES.
Does Dr. John Carroll accept Medicare assignment?
Yes. Dr. John Carroll accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Carroll commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.