Grant Harmon, MD
NPI 1639606379 · Radiation Oncology Physician · Gresham, OR
Provider details
- NPI number
- 1639606379
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 125071100 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,264 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 871 | $43 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 214 | $182 |
| Calculation of Radiation Therapy Dose77300 | 175 | $31 |
| Design and Construction of Complex Radiation Treatment Device77334 | 150 | $58 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 135 | $92 |
| 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 OrG2212 |
Practice location
Mailing address
Additional practice locations (3)
- 510 Sw Ramsey AveGrants Pass, OR 97527-5554Phone: (541) 789-4673
- 2825 E Barnett RdMedford, OR 97504-8332Phone: (541) 789-7000
- 940 Royal AveMedford, OR 97504-6193Phone: (541) 732-7000
Registry dates
- Enumerated
- 2017-05-12
- Last updated
- 2025-06-06
- Certified
- 2025-06-06
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.