Quick answers
- Where does Eric Messmer see patients?
- Medicare's clinician data lists 2 practice locations, including Griffith, IN and Martinsville, IN. Call before your visit to confirm the address.
- What is Eric Messmer's specialty?
- Medicare lists Physical Therapist in Private Practice as the primary specialty.
- Does Eric Messmer accept Medicare assignment?
- Yes. Medicare's clinician data says Eric Messmer 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 Eric Messmer?
- (219) 924-1500, as listed in official Medicare / NPI Registry data.
- What is Eric Messmer's NPI number?
- 1609094366. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Eric Messmer is enrolled with Medicare (CMS data updated 2026-10-02).
- 217 N Broad StGriffith, IN 46319 (219) 924‑1500
- 369 Grand Valley BlvdMartinsville, IN 46151 (765) 349‑9255
Group practices
Medicare enrollment lists Eric Messmer as a member of these groups (CMS data updated 2026-10-02).
- Athletic and Therapeutic Institute of Naperville, LLC241 clinicians in the group
- Advanced Physical Therapy LLC169 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, Indiana →
Other physical therapists in Griffith
Clinicians with the same Medicare primary specialty in Griffith, IN — not a recommendation.
Clinician information
| Credential | PT |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609094366 |
| 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
- 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