Quick answers
- Which hospitals does Mary K. Piper work at?
- Medicare's official clinician data lists Mary K. Piper at 3 hospitals: Good Samaritan Regional Health Center, Salem Township Hospital and SSM Health St Mary's Hospital -Centralia. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mary K. Piper see patients?
- Medicare's clinician data lists 2 practice locations, including Salem, IL and Mount Vernon, IL. Call before your visit to confirm the address.
- What is Mary K. Piper's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Mary K. Piper accept Medicare assignment?
- Yes. Medicare's clinician data says Mary K. Piper 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 Mary K. Piper?
- (618) 548-3740, as listed in official Medicare / NPI Registry data.
- What is Mary K. Piper's NPI number?
- 1881648194. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mary K. Piper works
Medicare's Facility Affiliation Data lists Mary K. Piper at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Good Samaritan Regional Health CenterMount Vernon, IL · Acute Care Hospital · CCN 140046
- Salem Township HospitalSalem, IL · Critical Access Hospital · CCN 141345
- SSM Health St Mary's Hospital -CentraliaCentralia, IL · Acute Care Hospital · CCN 140034
Practice locations
Addresses where Mary K. Piper is enrolled with Medicare (CMS data updated 2026-10-02).
- 1250 W Whittaker StSalem, IL 62881 (618) 548‑3740
- 2 Good Samaritan Way, Suite 320Mount Vernon, IL 62864 (618) 899‑1944
Group practices
Medicare enrollment lists Mary K. Piper as a member of this group (CMS data updated 2026-10-02).
- Physician Services Corporation of Southern Illinois Inc120 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Salem
Clinicians with the same Medicare primary specialty in Salem, IL — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881648194 |
| 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 2026-10-02, retrieved 2026-10-29
- 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