Doctor profile · Federal record
Dr. Marc Apple, MD
Radiation Oncology Physician (CMS: Radiation Oncology) · Radiation Oncology Physician · Radiation Oncology Physician · Radiation Oncology Physician · Knoxville, TN
- NPI 1164422697
- Accepts Medicare
- MIPS 87.9 / 100 · 2023
- 36 yrs in practice
- Licensed in 4 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1451 Old Weisgarber RD., Suite 250
Knoxville, TN 37909
(865) 862-1625
fax (865) 321-4558 - Additional location
-
6274 Linton Blvd Ste 100
Delray Beach, FL 334846508
(561) 323-6500
fax (561) 584-7775
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- August 19, 2021
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State licenses (4)
- Tennessee #63572 · Indiana #01048136A · Georgia #072738 · Florida #ME63028
- Medicaid (4)
- IN #200159030 · OH #2055681 · MI #103434926 · MI #104239031
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1164422697. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,719
Distinct HCPCS
10
Medicare allowed
$263,166
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77014 |
Ct guidance for insertion of radiation therapy fields | 1,272 | 119 | $45 | |
77427 |
Radiation treatment management, 5 treatment sessions | 361 | 93 | $197 | |
77300 |
Calculation of radiation therapy dose | 292 | 81 | $34 | |
77334 |
Design and construction of complex radiation treatment device | 151 | 53 | $61 | |
77263 |
Complex radiation therapy planning | 89 | 84 | $173 | |
77338 |
Design and construction of radiation treatment device for high precision radiation therapy | 85 | 57 | $228 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 70 | 70 | $185 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 70 | 56 | $100 | |
77301 |
High precision radiation therapy planning | 58 | 53 | $426 | |
77280 |
Obtaining data needed to develop the optimal radiation treatment, 1 treatment area | 37 | 28 | $39 |
In context: peer comparison
Among 7 peers in Knoxville Radiation Oncology Physician, average services per provider: 160. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$195
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novocure INC. | 1 | $99.77 | |
| Siemens Medical Solutions USA, INC. | 1 | $95.12 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
136
Patients
56
Total drug cost
$1,664
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Dexamethasone | Generic | 42 | 23 | $533 |
| Tamsulosin Hcl | Generic | 35 | 19 | $758 |
| Doxycycline Hyclate | Generic | 21 | 14 | $197 |
| Fluconazole | Generic | 16 | 0 | $74 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 11 | 0 | $78 |
| Lorazepam | Generic | 11 | 0 | $24 |
Frequently asked questions
What is Dr. Marc Apple's medical specialty?
Dr. Marc Apple practices Radiation Oncology Physician in Knoxville, TN.
Where does Dr. Marc Apple practice?
Dr. Marc Apple practices at 1451 Old Weisgarber RD., Suite 250, Knoxville, TN 37909. Office phone: 8658621625.
What is Dr. Marc Apple's NPI?
Dr. Marc Apple's National Provider Identifier (NPI) is 1164422697, issued by NPPES.
Does Dr. Marc Apple accept Medicare assignment?
Yes. Dr. Marc Apple accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marc Apple commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Radiation treatment management, 5 treatment sessions (HCPCS 77427); Calculation of radiation therapy dose (HCPCS 77300). Source: CMS Medicare Physician & Other Practitioners file.