Quick answers
- Where does Leah M. Thielen see patients?
- Medicare's clinician data lists 1 practice location in Sisseton, SD. Call before your visit to confirm the address.
- What is Leah M. Thielen's specialty?
- Medicare lists Chiropractic as the primary specialty.
- Does Leah M. Thielen accept Medicare assignment?
- Yes. Medicare's clinician data says Leah M. Thielen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Leah M. Thielen?
- (605) 698-3522, as listed in official Medicare / NPI Registry data.
- What is Leah M. Thielen's NPI number?
- 1164595138. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Leah M. Thielen is enrolled with Medicare (CMS data updated 2026-10-02).
- 1920 Sd Hwy 10Sisseton, SD 57262 (605) 698‑3522
Specialties
- Chiropracticprimary
Other chiropractors in South Dakota
Clinicians with the same Medicare primary specialty in South Dakota — not a recommendation.
Clinician information
| Credential | DC |
|---|---|
| Medical school | Northwestern College Of Chiropractic |
| Graduation year | 1985 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164595138 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians