Quick answers
- Where does Robert Ihssen see patients?
- Medicare's clinician data lists 1 practice location in Oshkosh, WI. Call before your visit to confirm the address.
- What is Robert Ihssen's specialty?
- Medicare lists Qualified Speech Language Pathologist as the primary specialty.
- Does Robert Ihssen accept Medicare assignment?
- Yes. Medicare's clinician data says Robert Ihssen 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 Robert Ihssen?
- (920) 393-9998, as listed in official Medicare / NPI Registry data.
- What is Robert Ihssen's NPI number?
- 1336791342. 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 Robert Ihssen is enrolled with Medicare (CMS data updated 2026-10-02).
- 631 Hazel StOshkosh, WI 54901 (920) 393‑9998
Group practices
Medicare enrollment lists Robert Ihssen as a member of this group (CMS data updated 2026-10-02).
- Oasis Therapy Services LLC71 clinicians in the group
Specialties
Find other clinicians: Qualified Speech Language Pathologist, Wisconsin →
Other speech-language pathologists in Oshkosh
Clinicians with the same Medicare primary specialty in Oshkosh, WI — not a recommendation.
Clinician information
| Graduation year | 2018 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336791342 |
| 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