Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mark Bierschbach, DDS
Dentist in Milbank, SD · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1083606180
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Registry record
Entity type Individual (Type 1)
Name Mark Bierschbach
Credential DDS
Sex Male
Practice address 1203 E 4th Ave, Milbank, SD, 57252
Phone (605) 432-5032
Fax (605) 432-4844
Enumeration date Aug 16, 2005
Last updated in NPPES Jul 9, 2007
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 4999199 | Other | SD | BCBS OF SD |
| 4300482 | Other | MN | DELTA DENTAL OF MN |
| 7801810 | Medicaid | SD | - |
| 837660 | Other | CA | UNITED CONCORDIA |
| 4032700 | Other | TN | BCBS OF TN |
| 66814BI | Other | MN | BCBS OF MN |
| 989074 | Other | ND | BCBS OF ND |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Mark Bierschbach?
The National Provider Identifier (NPI) for Mark Bierschbach is 1083606180, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Bierschbach practice?
The practice location on file with NPPES is in Milbank, SD. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-09.