Quick answers
- Which hospitals does Roger A. Ott Jr. work at?
- Medicare's official clinician data lists Roger A. Ott Jr. at 2 hospitals: MercyOne Dubuque Medical Center and MercyOne Dyersville Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Roger A. Ott Jr. see patients?
- Medicare's clinician data lists 1 practice location in Dubuque, IA. Call before your visit to confirm the address.
- What is Roger A. Ott Jr.'s specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Roger A. Ott Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Roger A. Ott Jr. 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 Roger A. Ott Jr.?
- (563) 584-4100, as listed in official Medicare / NPI Registry data.
- What is Roger A. Ott Jr.'s NPI number?
- 1316991672. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Roger A. Ott Jr. works
Medicare's Facility Affiliation Data lists Roger A. Ott Jr. at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MercyOne Dubuque Medical CenterDubuque, IA · Acute Care Hospital · CCN 160069
- MercyOne Dyersville Medical CenterDyersville, IA · Critical Access Hospital · CCN 161378
Practice locations
Addresses where Roger A. Ott Jr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 Langworthy StDubuque, IA 52001 (563) 584‑4100
Group practices
Medicare enrollment lists Roger A. Ott Jr. as a member of this group (CMS data updated 2026-10-02).
- Medical Associates Clinic P C233 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Dubuque
Clinicians with the same Medicare primary specialty in Dubuque, IA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Iowa, Rj & L Carver College Of Medicine |
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316991672 |
| 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