Quick answers
- Which hospitals does Jayna L. Cowsert work at?
- Medicare's official clinician data lists Jayna L. Cowsert at 1 hospital: Massac Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jayna L. Cowsert see patients?
- Medicare's clinician data lists 5 practice locations, including Harrisburg, IL, Watseka, IL and Benton, IL. Call before your visit to confirm the address.
- What is Jayna L. Cowsert's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Jayna L. Cowsert accept Medicare assignment?
- Yes. Medicare's clinician data says Jayna L. Cowsert 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 Jayna L. Cowsert?
- (618) 253-7671, as listed in official Medicare / NPI Registry data.
- What is Jayna L. Cowsert's NPI number?
- 1871043414. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jayna L. Cowsert works
Medicare's Facility Affiliation Data lists Jayna L. Cowsert at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Massac Memorial HospitalMetropolis, IL · Critical Access Hospital · CCN 141323
Practice locations
Addresses where Jayna L. Cowsert is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Dr Warren Tuttle DrHarrisburg, IL 62946 (618) 253‑7671
- 200 E Fairman AveWatseka, IL 60970 (815) 432‑5841
- 201 Bailey LnBenton, IL 62812
- 28 Chick StMetropolis, IL 62960 (618) 427‑2680
- 611 S Marshall AveMc Leansboro, IL 62859 (618) 643‑2361
Group practices
Medicare enrollment lists Jayna L. Cowsert as a member of these groups (CMS data updated 2026-10-02).
- Trinity Medical Staffing LLC36 clinicians in the group
- Franklin Hospital District31 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Harrisburg
Clinicians with the same Medicare primary specialty in Harrisburg, IL — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Medical school | Southern Illinois University School Of Medicine |
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871043414 |
| 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