Dr. Bert Welch Winterholler, DDS
Dr. Bert Welch Winterholler is a Oral and Maxillofacial Surgery (Dentist) provider (Dentist) practicing in Blgs, MT, registered in the NPPES registry with NPI 1841356094 since 2006. The credential DDS stands for Doctor of Dental Surgery.
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1841356094 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Dr. Bert Welch Winterholler |
| Credential | DDS |
| Sex | Male |
| Practice address | 2675 CENTRAL AVE, STE L8, Blgs, MT, 59102 |
| Phone | 4062597438 |
| Fax | 4062599729 |
| Enumeration date | 2006-12-29 |
| Last updated in NPPES | 2023-03-07 |
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 1223S0112X | Oral and Maxillofacial Surgery (Dentist) | Primary | 1820 | MT |
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 |
|---|---|---|---|
| 6128 | Other | — | PIN |
| 1820 | Other | MT | DENTIST |
| 18204 | Other | MT | BLUE CROSS BLUE SHIELD |
| 11-5011 | Medicaid | MT | — |
| 112397100 | Other | WY | TITLE XIX - GROUP |
| 830BW02 | Other | WY | WY CONTROLLED SUBSTANCE |
| 1757 | Other | ND | DENTIST |
| 757 | Other | WY | WYOMING |
| 112449800 | Other | WY | TITLE XIX - INDIVIDUAL |
| 6593 | Other | NE | DENTIST |
Copy-ready billing details
Provider: Bert Winterholler, DDS NPI: 1841356094 Taxonomy: 1223S0112X (Oral and Maxillofacial Surgery (Dentist)) Address: 2675 CENTRAL AVE, STE L8, Blgs, MT, 59102
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1427046713 | Robyn Clausen | Individual | Optometrist | Billings, MT |
| 1528012184 | Eric Saberhagen | Individual | Internal Medicine Physician | Billings, MT |
| 1871548289 | Billings Clinic | Organization | Internal Medicine Physician | Billings, MT |
| 1053340232 | Julia Mitzel | Individual | Nurse Practitioner | Billings, MT |
| 1841219706 | Leslie Bennington | Individual | Occupational Therapist | Billings, MT |
| 1134149602 | Michelle Pierson | Individual | Pediatrics Physician | Billings, MT |
| 1356458962 | Kirk Song | Individual | Dentist | Billings, MT |
| 1952410953 | Shelly Castles | Individual | Family Medicine Physician | Billings, MT |
Verify this record
Cross-check NPI 1841356094 against the authoritative CMS record: view Dr. Bert Welch Winterholler on the official NPPES registry .
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. Read the full guide or validate an NPI number.
Frequently asked questions
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2023-03-07.