Mark Wendell Baumgartner

Primary specialty

OpticianTaxonomy code 156FX1800X

Practice address

49103 MN-38
Marcell, MN 56657

Phone

(218) 452-1134

NPI assigned

Nov 19, 2025

Last updated

Nov 19, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1763510400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763510400000",
    "number": "1689535726",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "51992 BIG TOO MUCH LAKE RD",
            "city": "BIGFORK",
            "state": "MN",
            "postal_code": "566284104",
            "telephone_number": "218-452-1134"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "49103 MN-38",
            "city": "MARCELL",
            "state": "MN",
            "postal_code": "56657",
            "telephone_number": "218-452-1134"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BAUMGARTNER",
        "first_name": "MARK",
        "middle_name": "WENDELL",
        "name_prefix": "Mr.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-11-19",
        "last_updated": "2025-11-19",
        "certification_date": "2025-11-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "156FX1800X",
            "taxonomy_group": "",
            "desc": "Technician/Technologist, Optician",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 19, 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.