Active NPI
Grant Harmon, MD
- Radiation Oncology Physician
- Gresham, OR
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Radiation Oncology Physician
- License
- MD209685
- Practice address
- 24950 SE Stark St
Gresham, OR 97030 - Phone
- (503) 674-1152
- NPI assigned
- May 12, 2017
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Radiation Oncology Physician | 2085R0001X | 125071100 | IL | |
| Student in an Organized Health Care Education/Training Program | 390200000X | |||
| Radiation Oncology Physician | 2085R0001X | MD209685 | OR | Primary |
Addresses
Primary practice location
24950 SE Stark St
Gresham, OR 97030
Mailing address
PO Box 3777
Portland, OR 97208-3777
Other practice location 1
510 SW Ramsey Ave
Grants Pass, OR 97527-5554
Phone (541) 789-4673
Other practice location 2
2825 E Barnett Rd
Medford, OR 97504-8332
Phone (541) 789-7000
Other practice location 3
940 Royal Ave
Medford, OR 97504-6193
Phone (541) 732-7000
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in OR, WA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Radiation Oncology
- Education
- Loyola University of Chicago, Stritch School of Medicine, 2017
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1130 NW 22ND Ave
Suite 110
Portland, OR 97210-2934
Phone (503) 413-8654
2825 E Barnett Rd
Medford, OR 97504-8332
Phone (541) 789-4263
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD209685 | OR | MD | Radiation Oncology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Legacy Salmon Creek Hospital | Radiation Oncology | Current | Accepting new patients |
| Legacy Clinics LLC | Current | Accepting new patients | |
| Loyola University Medical Center | Current | Accepting new patients | |
| Radiation Oncology Group Consultants, PC | Radiation Oncology | Current | Accepting new patients |
| Legacy Salmon Creek Hospital | Current | Accepting new patients | |
| Legacy Mount Hood Medical Center | Past | Accepting new patients | |
| Legacy Clinics LLC | Past | Accepting new patients | |
| Radiation Oncologists PC | Radiation Oncology | Past | Accepting new patients |
Locations
2160 S 1st Ave
Maywood, IL 60153
Phone (708) 216-4400
2825 E Barnett Rd
Medford, OR 97504
Phone (541) 282-6770
1919 NW Lovejoy St
Portland, OR 97209
Phone (503) 415-5600
1130 NW 22nd Ave
Ste 110
Portland, OR 97210
Phone (503) 413-8654
1130 NW 22nd Ave
Ste 220
Portland, OR 97210
Phone (503) 413-4134
1130 NW 22nd Ave
Ste LL50
Portland, OR 97210
Phone (503) 413-7135
2121 NE 139th St
Ste 100
Vancouver, WA 98686
Phone (360) 487-1700
Interoperability endpoints
- gharmon57303@direct.luhs.org
Organizations & group practices 8
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Clinic/Center
- Portland, OR
- NPI 1902827272
-
- Radiation Oncology Physician
- Medford, OR
- NPI 1396714515
-
dba Legacy Salmon Creek Radiation Oncology
- Radiation Oncology Clinic/Center
- Vancouver, WA
- NPI 1609175660
-
- General Acute Care Hospital
- Vancouver, WA
- NPI 1700809829
-
dba Foster G. McGaw Hospital
- General Acute Care Hospital
- Maywood, IL
- NPI 1376521575
-
dba Legacy Medical Group Firwood
- Rural Health Clinic/Center
- Sandy, OR
- NPI 1730472192
-
- General Acute Care Hospital
- Gresham, OR
- NPI 1255354700
-
- Radiation Oncology Physician
- Portland, OR
- NPI 1003853805
Hospital & facility affiliations 6
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Asante Rogue Regional Medical Center
- General Acute Care Hospital
- Medford, OR
- NPI 1770587107
-
- General Acute Care Hospital
- Grants Pass, OR
- NPI 1801891809
-
dba Legacy Good Samaritan Providers
- Clinic/Center
- Portland, OR
- NPI 1679597108
Hospital
-
- General Acute Care Hospital
- Portland, OR
- NPI 1780608216
-
- General Acute Care Hospital
- Gresham, OR
- NPI 1255354700
-
- General Acute Care Hospital
- Portland, OR
- NPI 1609824010
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1494547200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1749168000000",
"number": "1639606379",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 3777",
"city": "PORTLAND",
"state": "OR",
"postal_code": "972083777"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "24950 SE STARK ST",
"city": "GRESHAM",
"state": "OR",
"postal_code": "97030",
"telephone_number": "503-674-1152"
}
],
"practiceLocations": [
{
"address_1": "510 SW Ramsey Ave",
"address_purpose": "LOCATION",
"city": "Grants Pass",
"state": "OR",
"postal_code": "975275554",
"country_code": "US",
"telephone_number": "541-789-4673",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2825 E Barnett Rd",
"address_purpose": "LOCATION",
"city": "Medford",
"state": "OR",
"postal_code": "975048332",
"country_code": "US",
"telephone_number": "541-789-7000",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "940 Royal Ave",
"address_purpose": "LOCATION",
"city": "Medford",
"state": "OR",
"postal_code": "975046193",
"country_code": "US",
"telephone_number": "541-732-7000",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "HARMON",
"first_name": "GRANT",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2017-05-12",
"last_updated": "2025-06-06",
"certification_date": "2025-06-06",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0001X",
"taxonomy_group": "",
"desc": "Radiology, Radiation Oncology",
"state": "IL",
"license": "125071100",
"primary": false
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
},
{
"code": "2085R0001X",
"taxonomy_group": "",
"desc": "Radiology, Radiation Oncology",
"state": "OR",
"license": "MD209685",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Gresham, OR
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 6, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.