Individual provider Active NPI

Mark A Nammacher, MD

  • Pediatrics Physician
  • St Louis Park, MN
National Provider Identifier
1104880905
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
20132 Issued in MN
Practice address
6600 Excelsior Blvd
131
St Louis Park, MN 55426-4744
Phone
(952) 401-8290
Fax
(952) 401-8243
NPI assigned
Apr 17, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X 20132 MN Primary

Addresses

Primary practice location

6600 Excelsior Blvd
131
St Louis Park, MN 55426-4744

Mailing address

4711 Cedarwood Rd
Minneapolis, MN 55416-1970
Phone (952) 929-7683

Other identifiers 2

IdentifierTypeStateIssuer
HP51758OtherMNHEALTH PARTNERS
145J4NAOtherMNBLUE CROSS BLUE SHIELD

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
20132MNMDPediatrics Physician

NPI Registry JSON

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

{
    "created_epoch": "1145232000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1104880905",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4711 CEDARWOOD RD",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554161970",
            "telephone_number": "952-929-7683"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6600 EXCELSIOR BLVD",
            "address_2": "131",
            "city": "ST LOUIS PARK",
            "state": "MN",
            "postal_code": "554264744",
            "telephone_number": "952-401-8290",
            "fax_number": "952-401-8243"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NAMMACHER",
        "first_name": "MARK",
        "middle_name": "A",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-17",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MN",
            "license": "20132",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HEALTH PARTNERS",
            "identifier": "HP51758",
            "state": "MN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD",
            "identifier": "145J4NA",
            "state": "MN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in St Louis Park, MN

Sources for this page

  • 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.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.