Gwenyth F Isaacs, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

MD11033 Issued in OR

Practice address

12615 NE Halsey St
Portland, OR 97230-1930

Phone

(503) 254-7355

Fax

(503) 254-6825

NPI assigned

Mar 29, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1143590400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1841251881",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 92900",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972920900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12615 NE HALSEY ST",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972301930",
            "telephone_number": "503-254-7355",
            "fax_number": "503-254-6825"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ISAACS",
        "first_name": "GWENYTH",
        "middle_name": "F",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-03-29",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "OR",
            "license": "MD11033",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "040196",
            "state": "OR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Shiney Isaac, MD
• Tessa Isaac, AUD, CCC-A
• Erik Isaacman, LAC
• Barbara Gail Isaacs, PHD
• Celeste Ian Isaacs, LCSW, CADC III
• Lonnie Isaacson, RD
• Isabell's Corner of Hope Counseling Services LLC
• Rebecca Isaksen
• Rhonda Isakson, LMT
• Regina Elizabeth Sylvi Isaksson

• Family Medicine Physician in Portland, OR
• Providers in Portland, OR by specialty
• Family Medicine Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.