Quick answers
- Which hospitals does Jean D. Hermsen work at?
- Medicare's official clinician data lists Jean D. Hermsen at 2 hospitals: Hansen Family Hospital and Mary Greeley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jean D. Hermsen see patients?
- Medicare's clinician data lists 6 practice locations, including Ames, IA, Carroll, IA and Nevada, IA. Call before your visit to confirm the address.
- What is Jean D. Hermsen's specialty?
- Medicare lists Otolaryngology as the primary specialty.
- Does Jean D. Hermsen accept Medicare assignment?
- Yes. Medicare's clinician data says Jean D. Hermsen 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 Jean D. Hermsen?
- (712) 792-1500, as listed in official Medicare / NPI Registry data.
- What is Jean D. Hermsen's NPI number?
- 1356540884. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jean D. Hermsen works
Medicare's Facility Affiliation Data lists Jean D. Hermsen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hansen Family HospitalIowa Falls, IA · Critical Access Hospital · CCN 161380
- Mary Greeley Medical CenterAmes, IA · Acute Care Hospital · CCN 160030
Practice locations
Addresses where Jean D. Hermsen is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1111 Duff AveAmes, IA 50010
- 1214 S Grant RdCarroll, IA 51401 (712) 792‑1500
- 1215 Duff AveAmes, IA 50010 (515) 239‑4400
- 230 S 6th StNevada, IA 50201 (515) 382‑5471
- 3500 University Blvd, Suite 1001Ames, IA 50010 (515) 239‑3040
Group practices
Medicare enrollment lists Jean D. Hermsen as a member of this group (CMS data updated 2026-10-02).
- McFarland Clinic PC363 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Iowa
Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356540884 |
| 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