Optimum Function LLC

Primary specialty

Massage TherapistTaxonomy code 225700000X

License

10250 Issued in OR

Legal business name

OPTIMUM FUNCTION LLC

Practice address

1201 SW 12TH Ave Ste 310
Portland, OR 97205-2031

Phone

(503) 274-2639

NPI assigned

Apr 16, 2007

Last updated

Sep 11, 2025By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Dr. Tim Irving, DC, LMT

Title

Member Owner

Phone

(503) 866-9739

Specialties & licenses 2

Addresses

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Timothy Gene Irving, DC, LMT

  • Massage Therapist
  • Portland, OR
  • NPI 1689655458

  Chiropractor

  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1176681600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1841415783",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7704 SE MADISON ST",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972153017",
            "telephone_number": "503-866-9739"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1201 SW 12TH AVE STE 310",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972052031",
            "telephone_number": "503-274-2639"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "OPTIMUM FUNCTION LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-04-16",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "IRVING",
        "authorized_official_first_name": "TIM",
        "authorized_official_title_or_position": "MEMBER OWNER",
        "authorized_official_telephone_number": "503-866-9739",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "DC, LMT"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "OR",
            "license": "3622",
            "primary": false
        },
        {
            "code": "225700000X",
            "taxonomy_group": "",
            "desc": "Massage Therapist",
            "state": "OR",
            "license": "10250",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Option Care at Legacy Health LLC (Option Care At Legacy Health)
• James C Opton, MD

• Massage Therapist in Portland, OR
• Providers in Portland, OR by specialty
• Massage Therapist in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.