Quick answers
- Which hospitals does Stephen K. Armstrong work at?
- Medicare's official clinician data lists Stephen K. Armstrong at 5 hospitals: CHRISTUS Mother Frances Hospital, CHRISTUS Mother Frances Hospital Sulphur Springs, UT Health East Texas Athens Hospital, UT Health East Texas Quitman Hospital and UT Health East Texas Tyler Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stephen K. Armstrong see patients?
- Medicare's clinician data lists 1 practice location in Fort Worth, TX. Call before your visit to confirm the address.
- What is Stephen K. Armstrong's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Stephen K. Armstrong accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen K. Armstrong 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 Stephen K. Armstrong?
- (817) 321-0470, as listed in official Medicare / NPI Registry data.
- What is Stephen K. Armstrong's NPI number?
- 1992766083. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephen K. Armstrong works
Medicare's Facility Affiliation Data lists Stephen K. Armstrong 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
- CHRISTUS Mother Frances Hospital Sulphur SpringsSulphur Springs, TX · Acute Care Hospital · CCN 450236
- UT Health East Texas Athens HospitalAthens, TX · Acute Care Hospital · CCN 450389
- UT Health East Texas Quitman HospitalQuitman, TX · Critical Access Hospital · CCN 451380
- UT Health East Texas Tyler Regional HospitalTyler, TX · Acute Care Hospital · CCN 450083
Practice locations
Addresses where Stephen K. Armstrong is enrolled with Medicare (CMS data updated 2026-10-02).
- 815 Pennsylvania AveFort Worth, TX 76104 (817) 321‑0470
Group practices
Medicare enrollment lists Stephen K. Armstrong as a member of this group (CMS data updated 2026-10-02).
- Radiology Associates of North Texas PA346 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Fort Worth
Clinicians with the same Medicare primary specialty in Fort Worth, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At San Antonio |
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992766083 |
| 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