Alexander Niemczyk, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

82687 Issued in MN

Practice address

420 Delaware St SE
Minneapolis, MN 55455-0341

Phone

(612) 625-4116

NPI assigned

Apr 15, 2022

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: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Specialty

Anesthesiology

Education

Other, 2022

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1649980800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781827200000",
    "number": "1417690652",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "420 DELAWARE ST SE",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554550341",
            "telephone_number": "612-625-4116"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "420 DELAWARE ST SE",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554550341",
            "telephone_number": "612-625-4116"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "701 Park Ave",
            "address_purpose": "LOCATION",
            "city": "Minneapolis",
            "state": "MN",
            "postal_code": "554151623",
            "country_code": "US",
            "telephone_number": "612-873-3000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NIEMCZYK",
        "first_name": "ALEXANDER",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-04-15",
        "last_updated": "2026-06-19",
        "certification_date": "2026-06-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MN",
            "license": "82687",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Madeleine B Nielsen
• Tad Nielsen
• Wendy Renae Nielsen, RD
• Moretta Nielson
• Kaitlyn Jean Niemann, RDH, DT
• Laura M Niemela, OTR/L
• Lucas Corby Niemeyer, MA, LPCC
• Melissa Niemiec
• Lainie Marie Niemyer, DPT
• Carole M Nienaber

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 19, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.