Mark Bierschbach, DDS

Primary specialty

DentistTaxonomy code 122300000X

License

M482 Issued in SD

Practice address

1203 E 4TH Ave
Milbank, SD 57252-1543

Phone

(605) 432-5032

Fax

(605) 432-4844

NPI assigned

Aug 16, 2005

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

Other identifiers 7

Medicare fee-for-service enrollment

Enrolled in SD

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.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Mark a Bierschbach D.D.S., P.C.

  • General Practice Dentistry
  • Milbank, SD
  • NPI 1063593275
  NPD (past) Authorized official
• Travis J. Bjordahl, DDS, PLLC

  dba Bjordahl Dental Care

  • Dental Clinic/Center
  • Milbank, SD
  • NPI 1518425552
  NPD (past)

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

{
    "created_epoch": "1124150400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1083606180",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 592",
            "city": "MILBANK",
            "state": "SD",
            "postal_code": "572520592",
            "telephone_number": "605-432-5032",
            "fax_number": "605-432-4844"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1203 E 4TH AVE",
            "city": "MILBANK",
            "state": "SD",
            "postal_code": "572521543",
            "telephone_number": "605-432-5032",
            "fax_number": "605-432-4844"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BIERSCHBACH",
        "first_name": "MARK",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-16",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "SD",
            "license": "M482",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "7801810",
            "state": "SD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS OF ND",
            "identifier": "989074",
            "state": "ND"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS OF TN",
            "identifier": "4032700",
            "state": "TN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS OF MN",
            "identifier": "66814BI",
            "state": "MN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNITED CONCORDIA",
            "identifier": "837660",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DELTA DENTAL OF MN",
            "identifier": "4300482",
            "state": "MN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS OF SD",
            "identifier": "4999199",
            "state": "SD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Avera McKennan (Avera Dialysis Milbank)
• James Keith Bailey, MD
• Wendy Bailey, PH.D.
• Alan David Bergquist, DC
• Bien Pharmacy Inc (Bien Pharmacy)
• Kevin L Bjordahl, M.D.
• Travis Bjordahl, D.D.S.
• Kristy Nichole Boettcher, PTA
• Mary G Bray
• Wendy Kristine Breske, LCSW-PIP

• Dentist in Milbank, SD
• Providers in Milbank, SD by specialty
• Dentist in South Dakota

• 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.