Quick answers
- Does William L. Tschannen accept Medicare assignment?
- Yes. Medicare's clinician data says William L. Tschannen 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 William L. Tschannen's NPI number?
- 1427651967. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William L. Tschannen works
Medicare's Facility Affiliation Data lists William L. Tschannen 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.
- Pershing Memorial HospitalBrookfield, MO · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 261307
Practice locations
Addresses where William L. Tschannen is enrolled with Medicare (CMS data updated October 2, 2026).
- 130 E Lockling StBrookfield, MO 64628
- 2630 Hwy KO Fallon, MO 63368 (636) 240‑5454
- 3009 N Ballas RdSaint Louis, MO 63131
Group practices
Medicare enrollment lists William L. Tschannen as a member of these groups (CMS data updated October 2, 2026).
- Physician Groups LC521 clinicians in the group
- General John J Pershing Memorial Hospital Association18 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Other clinicians in Physician Groups LC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1427651967 |
| 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