Quick answers
- Does Shanna M. Litteken accept Medicare assignment?
- Yes. Medicare's clinician data says Shanna M. Litteken 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 Shanna M. Litteken's NPI number?
- 1073940649. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Shanna M. Litteken works
Medicare's Facility Affiliation Data lists Shanna M. Litteken at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260020
- St Josephs HospitalBreese, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140145
Practice locations
Addresses where Shanna M. Litteken is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 12860 Troxler AveHighland, IL 62249 (618) 651‑2810
- 12866 Troxler AveHighland, IL 62249 (618) 651‑2600
- 1512 N Green Mount Rd, Suite 108Ofallon, IL 62269 (618) 624‑5510
- 15425 Manchester RdBallwin, MO 63011 (636) 220‑6969
- 15425 Manchester Rd, Suite 28Ballwin, MO 63011 (636) 220‑6969
Group practices
Medicare enrollment lists Shanna M. Litteken as a member of these groups (CMS data updated October 2, 2026).
- HSHS Medical Group Inc219 clinicians in the group
- Mercy Clinic Surgical Specialists LLC182 clinicians in the group
- Physical Therapy Spine and Sports Medicine LLC129 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Highland
Clinicians with the same Medicare primary specialty in Highland, IL — not a recommendation.
Other clinicians in HSHS Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1073940649 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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