Doctor profile · Federal record
Dr. Nathan Gray, MD
Internal Medicine Physician (CMS: Internal Medicine) · Knoxville, TN
- NPI 1952347999
- Accepts Medicare
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
11808 Kingston Pike Ste 160
Knoxville, TN 379343838
(865) 966-3940
fax (865) 966-6914 - Mailing address
-
1275 Dick Lonas RD Unit 101
Knoxville, TN 379091383
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- April 27, 2020
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Tennessee #36905
- Medicaid
- TN #3882745
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1952347999. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,939
Distinct HCPCS
10
Medicare allowed
$143,290
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 578 | 267 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 511 | 260 | $118 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 435 | 260 | $13 | |
83036 |
Hemoglobin a1c level | 345 | 195 | $9 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 344 | 247 | $8 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 320 | 240 | $16 | |
80048 |
Blood test, basic group of blood chemicals (calcium, total) | 298 | 238 | $8 | |
82306 |
Vitamin d-3 level | 245 | 165 | $29 | |
84460 |
Liver enzyme (sgpt), level | 235 | 225 | $5 | |
84450 |
Liver enzyme (sgot), level | 234 | 225 | $5 |
In context: peer comparison
Among 77 peers in Knoxville Internal Medicine Physician, average services per provider: 140. This provider delivers 35× the peer median.Open Payments
Industry payments received
All-time total
$397
Transactions
34
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 20 | $169.77 | |
| Amgen INC. | 4 | $69.29 | |
| GlaxoSmithKline, LLC. | 3 | $52.61 | |
| Abbott Laboratories | 3 | $42.14 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $19.61 | |
| Philips North America LLC | 1 | $17.25 | |
| Pfizer INC. | 1 | $13.23 | |
| Boston Scientific Corporation | 1 | $13.22 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,070
Patients
585
Total drug cost
$20,691
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 294 | 81 | $2,617 |
| Levothyroxine Sodium | Generic | 250 | 68 | $2,905 |
| Amlodipine Besylate | Generic | 227 | 61 | $1,111 |
| Omeprazole | Generic | 172 | 51 | $1,435 |
| Metformin Hcl | Generic | 146 | 41 | $1,222 |
| Rosuvastatin Calcium | Generic | 145 | 47 | $2,254 |
| Losartan Potassium | Generic | 142 | 41 | $1,388 |
| Simvastatin | Generic | 139 | 40 | $869 |
| Lisinopril | Generic | 101 | 27 | $506 |
| Pravastatin Sodium | Generic | 92 | 22 | $1,089 |
Hospital affiliations
Frequently asked questions
What is Dr. Nathan Gray's medical specialty?
Dr. Nathan Gray practices Internal Medicine Physician in Knoxville, TN.
Where does Dr. Nathan Gray practice?
Dr. Nathan Gray practices at 11808 Kingston Pike Ste 160, Knoxville, TN 379343838. Office phone: 8659663940.
What is Dr. Nathan Gray's NPI?
Dr. Nathan Gray's National Provider Identifier (NPI) is 1952347999, issued by NPPES.
Does Dr. Nathan Gray accept Medicare assignment?
Yes. Dr. Nathan Gray accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Gray 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, lipids (cholesterol and triglycerides) (HCPCS 80061). Source: CMS Medicare Physician & Other Practitioners file.