Quick answers
- Where does Shannon Johnstad see patients?
- Medicare's clinician data lists 1 practice location in Centennial, CO. Call before your visit to confirm the address.
- What is Shannon Johnstad's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Shannon Johnstad accept Medicare assignment?
- Yes. Medicare's clinician data says Shannon Johnstad 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 Shannon Johnstad?
- (337) 991-9276, as listed in official Medicare / NPI Registry data.
- What is Shannon Johnstad's NPI number?
- 1285391821. 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 Shannon Johnstad is enrolled with Medicare (CMS data updated 2026-10-02).
- 5000 E Arapahoe RdCentennial, CO 80122 (337) 991‑9276
Group practices
Medicare enrollment lists Shannon Johnstad as a member of this group (CMS data updated 2026-10-02).
- CH MSSP Services Co LLC16 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Centennial
Clinicians with the same Medicare primary specialty in Centennial, CO — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285391821 |
| 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