Individual provider Active NPI

Callum Hart Mackintosh

  • Surgical Physician Assistant
  • Portland, OR
National Provider Identifier
1902427776
Registry record updated Sep 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgical Physician AssistantTaxonomy code 363AS0400X
License
PA207556 Issued in OR
Practice address
5050 NE Hoyt St Ste 359
Portland, OR 97213-2983
Phone
(503) 935-8501
NPI assigned
May 2, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 29, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgical Physician Assistant 363AS0400X PA70030324 WA
Surgical Physician Assistant 363AS0400X PA207556 OR Primary

Addresses

Primary practice location

5050 NE Hoyt St Ste 359
Portland, OR 97213-2983

Mailing address

541 NE 20TH Ave Ste 225
Portland, OR 97232-2895
Phone (503) 963-2801

Other practice location 1

505 NE 87th Ave Ste 301
Vancouver, WA 98664-1965
Phone (360) 514-1854

Other practice location 2

9155 SW Barnes Rd Ste 440
Portland, OR 97225-6631
Phone (503) 935-8500

Other identifiers 1

IdentifierTypeStateIssuer
500798393MedicaidOR

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address referringmns@1243.direct.myezyaccess.com The Oregon Clinic PC

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OR, WA2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20210929003589 OR Practitioner - Physician Assistant 8921405127 Reassigns benefits to 1 organization
I20251013004080 WA Practitioner - Physician Assistant 8921405127 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Oregon Health Sciences University School of Medicine, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
The Oregon Clinic, PCGroup PAC ID 2860390408, 353 clinicians
PeacehealthGroup PAC ID 8820178288, 245 clinicians

Practice addresses (Care Compare)

1111 NE 99TH Ave
Portland, OR 97220-9442

4805 NE Glisan
Portland, OR 97213-2933

505 NE 87TH Ave
Vancouver, WA 98664-1965

5050 NE Hoyt
Suite 655
Portland, OR 97213-2990
Phone (503) 239-6673

5050 NE Hoyt St
Portland, OR 97213-2983

8821 NE 5TH St
Vancouver, WA 98664-3200
Phone (360) 514-1900

9155 SW Barnes Rd
Suite 440
Portland, OR 97225-6631
Phone (503) 935-8500

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
PA207556ORMDSurgical Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Peacehealth CurrentSince Sep 29, 2025 Accepting new patients
The Oregon Clinic, PC CurrentSince Oct 5, 2021 Accepting new patients

Locations

5050 NE Hoyt St
Ste 359
Portland, OR 97213
Phone (503) 935-8501

9155 SW Barnes Rd
Ste 440
Portland, OR 97225
Phone (503) 297-3766

5050 NE Hoyt St
Ste 655
Portland, OR 97213
Phone (503) 239-6673

541 NE 20th Ave
Ste 225
Portland, OR 97232
Phone (503) 963-2801

505 NE 87th Ave
Ste 301
Vancouver, WA 98664
Phone (360) 514-1854

1115 SE 164th Ave
Dept 364
Vancouver, WA 98683
Phone (360) 735-8100

Interoperability endpoints

  • Direct secure messaging: cmackintosh831211@direct.peacehealth.org
  • Direct secure messaging: cmackintosh2010416@oc.providencedirect.org

Organizations & group practices 3

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 4

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": "1588377600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759104000000",
    "number": "1902427776",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "541 NE 20TH AVE STE 225",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972322895",
            "telephone_number": "503-963-2801"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5050 NE HOYT ST STE 359",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972132983",
            "telephone_number": "503-935-8501"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "505 NE 87th Ave Ste 301",
            "address_purpose": "LOCATION",
            "city": "Vancouver",
            "state": "WA",
            "postal_code": "986641965",
            "country_code": "US",
            "telephone_number": "360-514-1854",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9155 SW Barnes Rd Ste 440",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "OR",
            "postal_code": "972256631",
            "country_code": "US",
            "telephone_number": "503-935-8500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MACKINTOSH",
        "first_name": "CALLUM",
        "middle_name": "HART",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-05-02",
        "last_updated": "2025-09-29",
        "certification_date": "2025-09-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "WA",
            "license": "PA70030324",
            "primary": false
        },
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "OR",
            "license": "PA207556",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "500798393",
            "state": "OR"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "referringmns@1243.direct.myezyaccess.com",
            "affiliation": "Y",
            "affiliationName": "The Oregon Clinic PC",
            "address_1": "9155 SW Barnes Rd Ste 440",
            "city": "Portland",
            "state": "OR",
            "country_code": "US",
            "postal_code": "972256631",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Portland, OR

Sources for this page

Verify at the official NPI Registry.