Doctor profile · Federal record
Dr. John Gleason, MD
Radiation Oncology Physician (CMS: Radiation Oncology) · Huntsville, AL
- NPI 1457591539
- Accepts Medicare
- MIPS 99.8 / 100 · 2023
- 18 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
201 Sivley RD Sw Ste 10
Huntsville, AL 358015138
(256) 319-5400
fax (256) 327-5977 - Additional location
-
1 Hospital Dr Sw Ste 100
Huntsville, AL 358013495 - Additional location
-
3601 Cci Dr Nw Ste 10
Huntsville, AL 358052609 - Mailing address
-
Po Box 18428
Huntsville, AL 358048428
Credentials & registration
- NPI registered
- March 2009 — 17 yrs on file
- Profile last updated
- January 28, 2026
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State license (1)
- Alabama #MD.32447
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1457591539. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
5,394
Distinct HCPCS
10
Medicare allowed
$955,901
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77014 |
Ct guidance for insertion of radiation therapy fields | 1,111 | 278 | $110 | |
G6015 |
Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session | 1,014 | 230 | $318 | |
G6012 |
Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev | 414 | 106 | $206 | |
77336 |
Continuing radiation therapy consultation per week | 347 | 88 | $75 | |
77427 |
Radiation treatment management, 5 treatment sessions | 329 | 105 | $179 | |
77014 |
Ct guidance for insertion of radiation therapy fields | 260 | 50 | $43 | |
77300 |
Calculation of radiation therapy dose | 250 | 71 | $59 | |
77334 |
Design and construction of complex radiation treatment device | 187 | 98 | $110 | |
77300 |
Calculation of radiation therapy dose | 182 | 49 | $32 | |
77334 |
Design and construction of complex radiation treatment device | 145 | 38 | $58 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 147. This provider delivers 37× the peer median.Open Payments
Industry payments received
All-time total
$1,469
Transactions
9
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Brainlab, Inc. | 3 | $1,332.88 | |
| Novartis Pharmaceuticals Corporation | 2 | $42.87 | |
| AstraZeneca Pharmaceuticals LP | 2 | $35.97 | |
| Novocure Inc. | 1 | $35.13 | |
| Verity Pharmaceuticals Inc. | 1 | $22.60 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
31
Patients
15
Total drug cost
$289
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 16 | 0 | $277 |
| Lorazepam | Generic | 15 | 15 | $12 |
Hospital affiliations
Frequently asked questions
What is Dr. John Gleason's medical specialty?
Dr. John Gleason practices Radiation Oncology Physician in Huntsville, AL.
Where does Dr. John Gleason practice?
Dr. John Gleason practices at 201 Sivley RD Sw Ste 10, Huntsville, AL 358015138. Office phone: 2563195400.
What is Dr. John Gleason's NPI?
Dr. John Gleason's National Provider Identifier (NPI) is 1457591539, issued by NPPES.
Does Dr. John Gleason accept Medicare assignment?
Yes. Dr. John Gleason accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Gleason commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc (HCPCS G6015); Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev (HCPCS G6012). Source: CMS Medicare Physician & Other Practitioners file.