Alex Mel Schlangen, DO

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

18844 Issued in SD

Practice address

1305 W 18TH St
Sioux Falls, SD 57105-0401

Phone

(605) 333-1000

Fax

(605) 328-4560

NPI assigned

Jun 14, 2023

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 MI

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 Osteopathy

State licenses

Interoperability endpoints

• Direct secure messaging: aschlangen148955@direct.covenanthealthcare.com

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

{
    "created_epoch": "1686700800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786924800000",
    "number": "1467136713",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 5074",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571175074",
            "telephone_number": "605-333-1000",
            "fax_number": "605-328-4560"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1305 W 18TH ST",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571050401",
            "telephone_number": "605-333-1000",
            "fax_number": "605-328-4560"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SCHLANGEN",
        "first_name": "ALEX",
        "middle_name": "MEL",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-06-14",
        "last_updated": "2026-08-17",
        "certification_date": "2026-08-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "SD",
            "license": "18844",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Erica Lynn Schipper, MD
• Jason Schipper, RN
• Rebecca Schipper
• David Schlagel, M.D.
• Barbara Anne Schlager, MD
• Tami Jean Schlekeway, ATC
• Raeann Mary Schlenker, PA-C
• Dale Schlimgen, PT
• Katie Schlotterback, CNP
• Teri J Schlunsen, CRNA

• Emergency Medicine Physician in Sioux Falls, SD
• Providers in Sioux Falls, SD by specialty
• Emergency Medicine Physician in South Dakota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 17, 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.