Quick answers
- Does Sean A. Fitzsimmons accept Medicare assignment?
- Yes. Medicare's clinician data says Sean A. Fitzsimmons accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Sean A. Fitzsimmons's NPI number?
- 1679296917. 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 Sean A. Fitzsimmons is enrolled with Medicare (CMS data updated October 2, 2026).
- 2620 Tenderfoot Hill St, Suite 110Colorado Springs, CO 80906 (719) 355‑1585
- 5700 N Elizabeth StPueblo, CO 81008 (719) 355‑1585
- 9348 Grand Cordera Pkwy, Suite 160Colorado Springs, CO 80924 (719) 355‑1585
Group practices
Medicare enrollment lists Sean A. Fitzsimmons as a member of this group (CMS data updated October 2, 2026).
- Vanguard Medical Specialists, LLC23 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Colorado Springs
Clinicians with the same Medicare primary specialty in Colorado Springs, CO — not a recommendation.
Other clinicians in Vanguard Medical Specialists, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| School | Midwestern University College Of Dental Medicine, Downers Grove |
| Graduation year | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679296917 |
| 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 October 2, 2026, retrieved October 29, 2026
- 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