Active NPI
Melinda Mae Mantooth, DO
- Internal Medicine Physician
- Portland, OR
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- DO217033
- Practice address
- 2801 N Gantenbein Ave
Portland, OR 97227-1623 - Phone
- (503) 413-8407
- NPI assigned
- Apr 6, 2020
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | OP61477654 | WA | |
| Hospitalist Physician | 208M00000X | DO217033 | OR | |
| Internal Medicine Physician | 207R00000X | DO217033 | OR | Primary |
Addresses
Primary practice location
2801 N Gantenbein Ave
Portland, OR 97227-1623
Mailing address
PO Box 3777
Portland, OR 97208-3777
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WA, OR, IL
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 3
Care Compare profile
Medicare Care Compare- Specialty
- Hospitalist
- Education
- Pacific NW Un of HS, Col of Osteopathic Medicine, 2020
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1111 Crater Lake Ave
Medford, OR 97504-6241
Phone (541) 732-5545
2801 N Gantenbein Ave
Portland, OR 97227-1623
Phone (503) 413-2200
Hospital & facility affiliations
- Providence Medford Medical Center
- Legacy Good Samaritan Medical Center
- Legacy Emanuel Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| OP61477654 | WA | MD | Internal Medicine Physician |
| DO217033 | OR | MD | Hospitalist Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Legacy Clinics LLC | Internal Medicine | Current | Accepting new patients |
| Waukegan Clinic Corp | Internal Medicine | Current | Accepting new patients |
| Providence Health & Services - Oregon | Current | Accepting new patients | |
| Providence Health & Services Oregon | Internal Medicine | Current | Accepting new patients |
| Providence Health & Services - Oregon | Internal Medicine | Current | Accepting new patients |
| Legacy Salmon Creek Hospital | Current | Accepting new patients | |
| Legacy Salmon Creek Hospital | Hospitalist | Current | Accepting new patients |
| Providence Health & Services - Oregon | Internal Medicine | Current | Accepting new patients |
| Providence Health & Services - Oregon | Current | Accepting new patients | |
| Oncology Hematology Associates of Northern Illinois, LTD | Current | Accepting new patients |
Locations
200 S Greenleaf St
Ste L
Gurnee, IL 60031
Phone (847) 360-7888
1324 N Sheridan Rd
Waukegan, IL 60085
Phone (847) 360-3000
940 Royal Ave
Unit 350
Medford, OR 97504
Phone (541) 732-7460
1111 Crater Lake Ave
Medford, OR 97504
Phone (541) 732-5250
1015 NW 22nd Ave
Portland, OR 97210
Phone (503) 413-7582
2801 N Gantenbein Ave
Portland, OR 97227
Phone (503) 413-2200
1130 NW 22nd Ave
Ste 220
Portland, OR 97210
Phone (503) 413-4134
2211 NE 139th St
Vancouver, WA 98686
Phone (360) 397-1985
Interoperability endpoints
- https://api.platform.athenahealth.com/2069/brand/1/csg/29/fhir/r4
Organizations & group practices 10
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Family Medicine Physician
- Medford, OR
- NPI 1568547503
Internal Medicine
-
- Clinic/Center
- Medford, OR
- NPI 1093976243
-
- Clinical Pathology Physician
- Medford, OR
- NPI 1285185942
Internal Medicine
-
- Internal Medicine Physician
- Central Point, OR
- NPI 1609951649
-
- Clinic/Center
- Phoenix, OR
- NPI 1992882500
-
- General Acute Care Hospital
- Vancouver, WA
- NPI 1700809829
-
- Hematology & Oncology Physician
- Gurnee, IL
- NPI 1093142135
Hospital & facility affiliations 7
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Portland, OR
- NPI 1003367491
-
- Clinical Medical Laboratory
- Portland, OR
- NPI 1295756898
Hospital
-
- General Acute Care Hospital
- Portland, OR
- NPI 1831112358
-
- Clinic/Center
- Portland, OR
- NPI 1679597108
Hospital
-
- General Acute Care Hospital
- Portland, OR
- NPI 1780608216
-
- General Acute Care Hospital
- Medford, OR
- NPI 1689755670
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1586131200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788220800000",
"number": "1639708175",
"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": "2801 N GANTENBEIN AVE",
"city": "PORTLAND",
"state": "OR",
"postal_code": "972271623",
"telephone_number": "503-413-8407"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MANTOOTH",
"first_name": "MELINDA",
"middle_name": "MAE",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2020-04-06",
"last_updated": "2026-09-01",
"certification_date": "2026-09-01",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "WA",
"license": "OP61477654",
"primary": false
},
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "OR",
"license": "DO217033",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "OR",
"license": "DO217033",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Portland, OR
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 1, 2026; 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.