Individual provider Active NPI

Erik Legrand Mangelson, DDS

  • Oral and Maxillofacial Surgery (Dentist)
  • Billings, MT
National Provider Identifier
1497493142
Registry record updated Jul 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Oral and Maxillofacial Surgery (Dentist)Taxonomy code 1223S0112X
License
DEN-DEN-LIC-33232 Issued in MT
Practice address
152 S 32ND St W Ste B
Billings, MT 59102-6875
Phone
(406) 655-0170
Fax
(406) 655-2271
NPI assigned
May 23, 2022
Last updated
Jul 10, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 10, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Oral and Maxillofacial Surgery (Dentist) 1223S0112X DEN-DEN-LIC-33232 MT Primary
Oral & Maxillofacial Surgery (D.M.D.) 204E00000X DEN-DEN-LIC-33232 MT
Oral & Maxillofacial Surgery (D.M.D.) 204E00000X 1719 WY

Addresses

Primary practice location

152 S 32ND St W Ste B
Billings, MT 59102-6875

Mailing address

152 S 32ND St W Ste B
Billings, MT 59102-6875
Phone (406) 655-0170

Medicare participation

Medicare enrollment files
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: No
  • Hospice: Yes
Green means eligible to order or refer.

Care Compare profile

Medicare Care Compare
Specialty
Oral Surgery
Education
University of Utah School of Dentistry, 2022
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

152 S 32ND St W
Suite B
Billings, MT 59102-6875

6428 S Castlefield LN
Salt Lake City, UT 84107-7582

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
RES-30630IAMDOral and Maxillofacial Surgery (Dentist)

NPI Registry JSON

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

{
    "created_epoch": "1653264000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783641600000",
    "number": "1497493142",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "152 S 32ND ST W STE B",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591026875",
            "telephone_number": "406-655-0170",
            "fax_number": "406-655-2271"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "152 S 32ND ST W STE B",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591026875",
            "telephone_number": "406-655-0170",
            "fax_number": "406-655-2271"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MANGELSON",
        "first_name": "ERIK",
        "middle_name": "LEGRAND",
        "name_prefix": "Dr.",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-05-23",
        "last_updated": "2026-07-10",
        "certification_date": "2026-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223S0112X",
            "taxonomy_group": "",
            "desc": "Dentist, Oral and Maxillofacial Surgery",
            "state": "MT",
            "license": "DEN-DEN-LIC-33232",
            "primary": true
        },
        {
            "code": "204E00000X",
            "taxonomy_group": "",
            "desc": "Oral & Maxillofacial Surgery",
            "state": "MT",
            "license": "DEN-DEN-LIC-33232",
            "primary": false
        },
        {
            "code": "204E00000X",
            "taxonomy_group": "",
            "desc": "Oral & Maxillofacial Surgery",
            "state": "WY",
            "license": "1719",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Billings, MT

Sources for this page

Verify at the official NPI Registry.