Quick answers
- Which hospitals does Gary Horn work at?
- Medicare's official clinician data lists Gary Horn at 4 hospitals: Baylor St. Luke's Medical Center, St. Luke's Hospital at The Vintage, St. Luke's Sugar Land Hospital and St. Luke's The Woodlands Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gary Horn see patients?
- Medicare's clinician data lists 1 practice location in League City, TX. Call before your visit to confirm the address.
- What is Gary Horn's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Gary Horn accept Medicare assignment?
- Yes. Medicare's clinician data says Gary Horn 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 Gary Horn?
- (281) 731-3580, as listed in official Medicare / NPI Registry data.
- What is Gary Horn's NPI number?
- 1720399629. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gary Horn works
Medicare's Facility Affiliation Data lists Gary Horn at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baylor St. Luke's Medical CenterHouston, TX · Acute Care Hospital · CCN 450193
- St. Luke's Hospital at The VintageHouston, TX · Acute Care Hospital · CCN 670075
- St. Luke's Sugar Land HospitalSugar Land, TX · Acute Care Hospital · CCN 670053
- St. Luke's The Woodlands HospitalThe Woodlands, TX · Acute Care Hospital · CCN 450862
Practice locations
Addresses where Gary Horn is enrolled with Medicare (CMS data updated 2026-10-02).
- 2255 Hewitt StLeague City, TX 77573 (281) 731‑3580
Group practices
Medicare enrollment lists Gary Horn as a member of this group (CMS data updated 2026-10-02).
- Singleton Associates PA838 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in League City
Clinicians with the same Medicare primary specialty in League City, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Baylor College Of Medicine |
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1720399629 |
| 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