Nathan Joseph Stumpf, MD

Primary specialty

Geriatric Medicine (Internal Medicine) PhysicianTaxonomy code 207RG0300X

License

MD232061 Issued in OR

Practice address

500 NE Multnomah St Ste 100
Portland, OR 97232-2099

Phone

(360) 571-3005

NPI assigned

Apr 14, 2022

Last updated

Sep 10, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 5

Addresses

Medicare fee-for-service enrollment

Enrolled in OR

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 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1649894400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788998400000",
    "number": "1881337269",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 NE MULTNOMAH ST STE 100",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972322099",
            "telephone_number": "503-813-3860"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 NE MULTNOMAH ST STE 100",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972322099",
            "telephone_number": "360-571-3005"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STUMPF",
        "first_name": "NATHAN",
        "middle_name": "JOSEPH",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-04-14",
        "last_updated": "2026-09-10",
        "certification_date": "2026-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WA",
            "license": "MD.MD.70151993",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OR",
            "license": "MD232061",
            "primary": false
        },
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "WA",
            "license": "MD.MD.70151993",
            "primary": false
        },
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "OR",
            "license": "MD232061",
            "primary": true
        },
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "OR",
            "license": "PG226671",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Stults House
• Corey Stump, BCBA
• Cindy Stumpf
• Jennifer Katharine Stumpf, P.T.
• Jessica Kathryn Stumpf
• Neal Stumpf, D.C
• Stumptown Acupuncture LLC
• Stumptown Chiropractic, LLC
• Stumptown Mobile Lab Services LLC (Stumptown Mobile Lab Services)
• Marvin Carl Sturgeon, B. PHARM.

• Geriatric Medicine (Internal Medicine) Physician in Portland, OR
• Providers in Portland, OR by specialty
• Geriatric Medicine (Internal Medicine) Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.