Quick answers
- Which hospitals does Nicholas Otten work at?
- Medicare's official clinician data lists Nicholas Otten at 4 hospitals: Ascension All Saints Hospital, Ascension SE Wisconsin Hospital, Aspirus Wausau Hospital and FHN Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nicholas Otten see patients?
- Medicare's clinician data lists 5 practice locations, including Sterling, IL, Freeport, IL and Milwaukee, WI. Call before your visit to confirm the address.
- What is Nicholas Otten's specialty?
- Medicare lists Family Practice as the primary specialty, and also Hospitalist.
- Does Nicholas Otten accept Medicare assignment?
- Yes. Medicare's clinician data says Nicholas Otten 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 Nicholas Otten?
- (815) 625-0400, as listed in official Medicare / NPI Registry data.
- What is Nicholas Otten's NPI number?
- 1013277714. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nicholas Otten works
Medicare's Facility Affiliation Data lists Nicholas Otten at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension All Saints HospitalRacine, WI · Acute Care Hospital · CCN 520096
- Ascension SE Wisconsin HospitalMilwaukee, WI · Acute Care Hospital · CCN 520136
- Aspirus Wausau HospitalWausau, WI · Acute Care Hospital · CCN 520030
- FHN Memorial HospitalFreeport, IL · Acute Care Hospital · CCN 140160
Practice locations
Addresses where Nicholas Otten is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 E Le Fevre RdSterling, IL 61081 (815) 625‑0400
- 1045 W Stephenson StFreeport, IL 61032 (815) 599‑6000
- 2323 N Lake DrMilwaukee, WI 53211 (414) 585‑1000
- 333 Pine Ridge BlvdWausau, WI 54401 (715) 847‑2866
- 3801 Spring StMount Pleasant, WI 53405 (262) 687‑4011
Group practices
Medicare enrollment lists Nicholas Otten as a member of these groups (CMS data updated 2026-10-02).
- Ascension Medical Group-Southeast Wisconsin Inc545 clinicians in the group
- Columbia St Marys Hospital Milwaukee Inc306 clinicians in the group
- Aspirus Wausau Hospital Inc237 clinicians in the group
- CGH Medical Center197 clinicians in the group
- Freeport Memorial Hospital178 clinicians in the group
Specialties
- Family Practiceprimary
- Hospitalistalso
Other family doctors in Sterling
Clinicians with the same Medicare primary specialty in Sterling, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1013277714 |
| 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