John W Seifert, DO

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

35313 Issued in MN

Practice address

101 Willmar Ave SW
Willmar, MN 56201-3556

Phone

(320) 231-5000

Fax

(320) 231-5067

NPI assigned

Feb 23, 2006

Last updated

Jul 13, 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 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Interoperability endpoints

• Direct secure messaging: jseifert29819@direct.centracare.com

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

{
    "created_epoch": "1140652800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1205802931",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "101 WILLMAR AVE SW",
            "city": "WILLMAR",
            "state": "MN",
            "postal_code": "562013556",
            "telephone_number": "320-231-5000",
            "fax_number": "320-231-5067"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 WILLMAR AVE SW",
            "city": "WILLMAR",
            "state": "MN",
            "postal_code": "562013556",
            "telephone_number": "320-231-5000",
            "fax_number": "320-231-5067"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SEIFERT",
        "first_name": "JOHN",
        "middle_name": "W",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-23",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MN",
            "license": "35313",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Megan J Schumann, RN, CNP
• Kate Schutz
• Daniel Carl Scott, M.D.
• Shaun Michael Seaburg, DPT
• Kadey Jo Seeger, LGSW
• Brianna Grace Seiler Lucas I, CPHT
• Alexis Christine Serrano, PHD, LMFT
• Barry Ostby Sewall, MD
• Gunjan Shah
• Tabrez Sheriff Ameerjan Nayaz, M.D.

• Anesthesiology Physician in Willmar, MN
• Providers in Willmar, MN by specialty
• Anesthesiology Physician in Minnesota

• 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.