Quick answers
- Which hospitals does Gage E. Williamson work at?
- Medicare's official clinician data lists Gage E. Williamson at 2 hospitals: Saint Joseph Regional Medical Center and Saint Joseph Regional Medical Center - Plymouth. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gage E. Williamson see patients?
- Medicare's clinician data lists 3 practice locations, including Plymouth, IN and Mishawaka, IN. Call before your visit to confirm the address.
- What is Gage E. Williamson's specialty?
- Medicare lists Family Practice as the primary specialty, and also Sports Medicine.
- Does Gage E. Williamson accept Medicare assignment?
- Yes. Medicare's clinician data says Gage E. Williamson 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 Gage E. Williamson?
- (574) 948-4000, as listed in official Medicare / NPI Registry data.
- What is Gage E. Williamson's NPI number?
- 1548919251. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gage E. Williamson works
Medicare's Facility Affiliation Data lists Gage E. Williamson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Saint Joseph Regional Medical CenterMishawaka, IN · Acute Care Hospital · CCN 150012
- Saint Joseph Regional Medical Center - PlymouthPlymouth, IN · Acute Care Hospital · CCN 150076
Practice locations
Addresses where Gage E. Williamson is enrolled with Medicare (CMS data updated 2026-10-02).
- 1915 Lake AvePlymouth, IN 46563 (574) 948‑4000
- 611 E Douglas Rd, Suite 137 Sports Medicine InstituteMishawaka, IN 46545 (574) 335‑6214
- 611 E Douglas Rd, Suite 406 Family Medicine Faculty PhysiciaMishawaka, IN 46545 (574) 335‑6580
Group practices
Medicare enrollment lists Gage E. Williamson as a member of these groups (CMS data updated 2026-10-02).
- Saint Joseph Regional Medical Center-South Bend Campus Inc62 clinicians in the group
- Saint Joseph Regional Medical Center- Plymouth Campus Inc8 clinicians in the group
Specialties
- Family Practiceprimary
- Sports Medicinealso
Other family doctors in Plymouth
Clinicians with the same Medicare primary specialty in Plymouth, IN — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Marian University College Of Osteopathic Medicine |
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548919251 |
| 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