Quick answers
- Where does Denis J. Boerjan see patients?
- Medicare's clinician data lists 1 practice location in Saint Ansgar, IA. Call before your visit to confirm the address.
- What is Denis J. Boerjan's specialty?
- Medicare lists Chiropractic as the primary specialty.
- Does Denis J. Boerjan accept Medicare assignment?
- Yes. Medicare's clinician data says Denis J. Boerjan 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 Denis J. Boerjan?
- (641) 713-2168, as listed in official Medicare / NPI Registry data.
- What is Denis J. Boerjan's NPI number?
- 1699768655. 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 Denis J. Boerjan is enrolled with Medicare (CMS data updated 2026-10-02).
- 417 W 4th St, Advance Chiropractic and SpaSaint Ansgar, IA 50472 (641) 713‑2168
Specialties
- Chiropracticprimary
Other chiropractors in Iowa
Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.
Clinician information
| Credential | DC |
|---|---|
| Medical school | Northwestern College Of Chiropractic |
| Graduation year | 1976 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699768655 |
| 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