Doctor profile · Federal record
Dr. Grant Harmon, MD
Radiation Oncology Physician (CMS: Radiation Oncology) · Radiation Oncology Physician · Student in an Organized Health Care Education/Training Program · Gresham, OR
- NPI 1639606379
- Accepts Medicare
- 9 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
24950 Se Stark St
Gresham, OR 97030
(503) 674-1152 - Additional location
-
2825 E Barnett RD
Medford, OR 975048332
(541) 789-7000 - Additional location
-
510 Sw Ramsey Ave
Grants Pass, OR 975275554
(541) 789-4673 - Additional location
-
940 Royal Ave
Medford, OR 975046193
(541) 732-7000 - Mailing address
-
Po Box 3777
Portland, OR 972083777
Show 1 more location
Credentials & registration
- NPI registered
- May 2017 — 9 yrs on file
- Profile last updated
- June 6, 2025
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State licenses (2)
- Oregon #MD209685 · Illinois #125071100
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639606379. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,299
Distinct HCPCS
10
Medicare allowed
$223,164
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77014 |
Ct guidance for insertion of radiation therapy fields | 979 | 161 | $43 | |
77427 |
Radiation treatment management, 5 treatment sessions | 280 | 106 | $184 | |
77334 |
Design and construction of complex radiation treatment device | 186 | 91 | $58 | |
77300 |
Calculation of radiation therapy dose | 152 | 92 | $32 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 111 | 88 | $93 | |
77263 |
Complex radiation therapy planning | 102 | 90 | $162 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 92 | 92 | $173 | |
G2212 |
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 87 | 80 | $30 | |
77301 |
High precision radiation therapy planning | 70 | 67 | $407 | |
77338 |
Design and construction of radiation treatment device for high precision radiation therapy | 68 | 66 | $218 |
In context: peer comparison
Among 1 peers in Gresham Radiation Oncology Physician, average services per provider: 135. This provider delivers 17× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
85
Patients
49
Total drug cost
$1,936
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 39 | 20 | $828 |
| Mometasone Furoate | Generic | 32 | 29 | $803 |
| Dexamethasone | Generic | 14 | 0 | $305 |
Hospital affiliations
Frequently asked questions
What is Dr. Grant Harmon's medical specialty?
Dr. Grant Harmon practices Radiation Oncology Physician in Gresham, OR.
Where does Dr. Grant Harmon practice?
Dr. Grant Harmon practices at 24950 Se Stark St, Gresham, OR 97030. Office phone: 5036741152.
What is Dr. Grant Harmon's NPI?
Dr. Grant Harmon's National Provider Identifier (NPI) is 1639606379, issued by NPPES.
Does Dr. Grant Harmon accept Medicare assignment?
Yes. Dr. Grant Harmon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grant Harmon 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); Design and construction of complex radiation treatment device (HCPCS 77334). Source: CMS Medicare Physician & Other Practitioners file.