Grace L. Nimmons, M.D.
NPI 1225235625ActiveIndividual· Otolaryngology· Iowa City, IA
Otolaryngology (M.D.) in Iowa City, Iowa, trained at Columbia University College of Physicians and Surgeons (class of 2007). 122 Medicare patients in 2024, $36,447 paid; nearly all of their 198 Part D prescriptions were generic (99%). Inspire Medical Systems, Inc. was the largest of 3 companies reporting payments in 2025, $424.19 in all, mostly food and beverage.
Overview
| NPI | 1225235625 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 29, 2007 |
| Last updated in NPPES | Jun 27, 2025 |
| Certified by provider | Jun 27, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | 40131 | IA |
| Otolaryngology | 207Y00000X | 56661 | MN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Otolaryngology (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 122 |
|---|---|
| Services billed | 212 across 53 procedure codes |
| Paid by Medicare | $36,447 |
Part D prescriptions in 2024
| Prescriptions (claims) | 198 · 257 30-day fills |
|---|---|
| Patients | 86 |
| Total drug cost | $3,372 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Otolaryngology |
Medical group
- Park Nicollet ClinicSt Louis Park, MN · 1,787 clinicians
Hospital affiliation
- Park Nicollet Methodist HospitalSaint Louis Park, MN
Industry payments (Open Payments)
- 2025$424.19 · 5 payments from 3 companies
- 2024$85.39 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Inspire Medical Systems, Inc. | $230.63 | 2 |
| Aerin Medical Inc. | $157.52 | 2 |
| Preceptis Medical, Inc. | $36.04 | 1 |
What the 2025 payments were for
- Food and Beverage$424.19 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 66 otolaryngologists in Iowa City · All otolaryngologists in Iowa