Quick answers
- Which hospitals does Mary C. Shellnutt work at?
- Medicare's official clinician data lists Mary C. Shellnutt at 1 hospital: CHRISTUS Mother Frances Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mary C. Shellnutt see patients?
- Medicare's clinician data lists 4 practice locations, including Texarkana, TX and Tyler, TX. Call before your visit to confirm the address.
- What is Mary C. Shellnutt's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Mary C. Shellnutt accept Medicare assignment?
- Yes. Medicare's clinician data says Mary C. Shellnutt 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 C. Shellnutt?
- (903) 614-5250, as listed in official Medicare / NPI Registry data.
- What is Mary C. Shellnutt's NPI number?
- 1811366552. 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 C. Shellnutt works
Medicare's Facility Affiliation Data lists Mary C. Shellnutt at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- CHRISTUS Mother Frances HospitalTyler, TX · Acute Care Hospital · CCN 450102
Practice locations
Addresses where Mary C. Shellnutt is enrolled with Medicare (CMS data updated 2026-10-02).
- 2600 Saint Michael DrTexarkana, TX 75503 (903) 614‑5250
- 620 S Fleishel Ave, CHRISTUS Trinity ClinicTyler, TX 75701 (903) 606‑4900
- 630 S Fleishel AveTyler, TX 75701 (903) 606‑5560
- 800 E Dawson St, CHRISTUS Trinity ClinicTyler, TX 75701 (903) 510‑1186
Group practices
Medicare enrollment lists Mary C. Shellnutt as a member of this group (CMS data updated 2026-10-02).
- CHRISTUS Trinity Clinic Texas1,540 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Texarkana
Clinicians with the same Medicare primary specialty in Texarkana, TX — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811366552 |
| 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