Denni Fitzsimmons, DO
NPI 1457734600ActiveIndividual· Family Medicine· Clive, IA
Family Medicine (DO) with Mercy Clinics Inc and 1 other group, practicing in Clive, Iowa. In 2024 Medicare paid $3,589 for 32 patients, and Part D covered 54 of their prescriptions, 81% of them generic. Alexion Pharmaceuticals, Inc. was the largest of 2 companies reporting payments in 2025, $39.06 in all, mostly food and beverage. Lists Mercyone Des Moines Medical Center as a hospital affiliation.
Overview
| NPI | 1457734600 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jul 7, 2015 |
| Last updated in NPPES | Feb 3, 2026 |
| Certified by provider | Feb 3, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | DO04946 | IA |
| Family Medicine | 207Q00000X | S6394 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 32 |
|---|---|
| Services billed | 58 across 15 procedure codes |
| Paid by Medicare | $3,589 |
Part D prescriptions in 2024
| Prescriptions (claims) | 54 · 92 30-day fills |
|---|---|
| Patients | 22 |
| Total drug cost | $5,364 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Family Practice |
Medical groups
- Mercy Clinics IncClive, IA · 443 clinicians
- Primary Health Care IncDes Moines, IA · 71 clinicians
Hospital affiliation
- Mercyone Des Moines Medical CenterDes Moines, IA
Other facilities
- Bishop Drumm Retirement CenterNursing home · Johnston, IA
Industry payments (Open Payments)
- 2025$39.06 · 2 payments from 2 companies
- 2024$110.46 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alexion Pharmaceuticals, Inc. | $23.38 | 1 |
| Pfizer Inc. | $15.68 | 1 |
What the 2025 payments were for
- Food and Beverage$39.06 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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