James G McMahan, DMD

Primary specialty

General Practice DentistryTaxonomy code 1223G0001X

License

5974 Issued in OR

Practice address

504 4TH St
La Grande, OR 97850-1906

Phone

(541) 963-5632

Fax

(541) 963-4584

NPI assigned

Jul 28, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

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: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

State licenses

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

{
    "created_epoch": "1122508800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1063412302",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "504 4TH ST",
            "city": "LA GRANDE",
            "state": "OR",
            "postal_code": "978501906",
            "telephone_number": "541-963-5632",
            "fax_number": "541-963-4584"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "504 4TH ST",
            "city": "LA GRANDE",
            "state": "OR",
            "postal_code": "978501906",
            "telephone_number": "541-963-5632",
            "fax_number": "541-963-4584"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCMAHAN",
        "first_name": "JAMES",
        "middle_name": "G",
        "name_prefix": "Dr.",
        "credential": "DMD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-28",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "OR",
            "license": "5974",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Stephen Andrew McIlmoil, D.O.
• Casey A McKeown, D.C.
• Jean McKern, M.S., L.P.C.
• Ian McLean, DPT
• Brandy Renee McLendon, DO
• Dale Kristen McQueeney, FPMHNP
• Michael McVey
• Pamela M McWhirter, DNP, FNP
• Ashleigh Lynn Meeks, RN
• Michael H. McQueen M.D P.C

• General Practice Dentistry in La Grande, OR
• Providers in La Grande, OR by specialty
• General Practice Dentistry 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.
• 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.