Doctor profile · Federal record
Dr. Grant Clark, M.D.
Radiation Oncology Physician (CMS: Radiation Oncology) · Knoxville, TN
- NPI 1700029626
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 17 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1915 White Avenue
Knoxville, TN 379162399
(865) 331-1155
fax (865) 331-3165 - Mailing address
-
P.O. Box 24120
Knoxville, TN 379332120
Credentials & registration
- NPI registered
- April 2009 — 17 yrs on file
- Profile last updated
- September 8, 2023
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State license (1)
- Tennessee #51020
- Medicaid
- TN #Q005973
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1700029626. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,198
Distinct HCPCS
10
Medicare allowed
$310,591
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77014 |
Ct guidance for insertion of radiation therapy fields | 1,049 | 52 | $41 | |
77300 |
Calculation of radiation therapy dose | 381 | 120 | $30 | |
77334 |
Design and construction of complex radiation treatment device | 352 | 125 | $57 | |
77427 |
Radiation treatment management, 5 treatment sessions | 285 | 78 | $172 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 252 | 198 | $84 | |
77263 |
Complex radiation therapy planning | 130 | 128 | $157 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 109 | 93 | $119 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 97 | 97 | $201 | |
77338 |
Design and construction of radiation treatment device for high precision radiation therapy | 92 | 68 | $210 | |
77301 |
High precision radiation therapy planning | 72 | 69 | $395 |
In context: peer comparison
Among 7 peers in Knoxville Radiation Oncology Physician, average services per provider: 160. This provider delivers 20× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
390
Patients
165
Total drug cost
$6,828
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 71 | 27 | $1,211 |
| Pantoprazole Sodium | Generic | 45 | 18 | $350 |
| Dexamethasone | Generic | 42 | 21 | $833 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 38 | 16 | $1,064 |
| Ondansetron Hcl | Generic | 33 | 24 | $290 |
| Sucralfate | Generic | 28 | 19 | $972 |
| Gabapentin | Generic | 26 | 0 | $169 |
| Levetiracetam | Generic | 24 | 0 | $596 |
| Fluconazole | Generic | 18 | 15 | $225 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 18 | 13 | $303 |
Hospital affiliations
Frequently asked questions
What is Dr. Grant Clark's medical specialty?
Dr. Grant Clark practices Radiation Oncology Physician in Knoxville, TN.
Where does Dr. Grant Clark practice?
Dr. Grant Clark practices at 1915 White Avenue, Knoxville, TN 379162399. Office phone: 8653311155.
What is Dr. Grant Clark's NPI?
Dr. Grant Clark's National Provider Identifier (NPI) is 1700029626, issued by NPPES.
Does Dr. Grant Clark accept Medicare assignment?
Yes. Dr. Grant Clark accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grant Clark commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300); Design and construction of complex radiation treatment device (HCPCS 77334). Source: CMS Medicare Physician & Other Practitioners file.