Individual provider Active NPI

Melinda Mae Mantooth, DO

  • Internal Medicine Physician
  • Portland, OR
National Provider Identifier
1639708175
Registry record updated Sep 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
DO217033 Issued in OR
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

Updated by the provider on Sep 1, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
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, IL3 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20230918002159 WA Practitioner - Internal Medicine 3476972381 Reassigns benefits to 1 organization
I20231101000583 OR Practitioner - HospitalistPractitioner - Internal Medicine 3476972381 Reassigns benefits to 3 organizations
I20241024004321 IL Practitioner - Hospitalist 3476972381 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
Pacific NW Un of HS, Col of Osteopathic Medicine, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Providence Health and Services OregonGroup PAC ID 5294623245, 166 clinicians
Legacy Clinics LLCGroup PAC ID 0244144004, 714 clinicians

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 Hospital, Medford, OR, CCN 380075
  • Legacy Good Samaritan Medical Center Hospital, Portland, OR, CCN 380017
  • Legacy Emanuel Medical Center Hospital, Portland, OR, CCN 380007

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
OP61477654WAMDInternal Medicine Physician
DO217033ORMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Legacy Clinics LLC Internal Medicine CurrentSince Oct 1, 2025 Accepting new patients
Waukegan Clinic Corp Internal Medicine CurrentSince Aug 15, 2024 Accepting new patients
Providence Health & Services - Oregon CurrentSince Oct 1, 2023 Accepting new patients
Providence Health & Services Oregon Internal Medicine Current Accepting new patients
Providence Health & Services - Oregon Internal Medicine CurrentSince Oct 1, 2023 Accepting new patients
Legacy Salmon Creek Hospital CurrentSince Oct 1, 2025 Accepting new patients
Legacy Salmon Creek Hospital Hospitalist CurrentSince Oct 1, 2025 Accepting new patients
Providence Health & Services - Oregon Internal Medicine CurrentSince Oct 1, 2023 Accepting new patients
Providence Health & Services - Oregon CurrentSince Oct 1, 2023 Accepting new patients
Oncology Hematology Associates of Northern Illinois, LTD CurrentSince Aug 15, 2024 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

  • FHIR API: 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.

Hospital & facility affiliations 7

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

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

Verify at the official NPI Registry.