Margaret Arlene Riddell
NPI 1033913611ActiveIndividual· Family Medicine· Marion, IA
Family Medicine with Mercy Physician Associates Inc, practicing in Marion, Iowa. Enrolled in Medicare as practitioner - nurse practitioner. Pfizer Inc. was the largest of 8 companies reporting payments in 2025, $322.00 in all, mostly food and beverage. Lists Mercy Medical Center - Cedar Rapids as a hospital affiliation.
Overview
| NPI | 1033913611 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 2, 2025 |
| Last updated in NPPES | Apr 2, 2025 |
| Certified by provider | Apr 2, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A181578 | IA |
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 - Nurse Practitioner (IA) |
|---|
Education and affiliations
| Graduation year | 2024 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Mercy Physician Associates IncHiawatha, IA · 101 clinicians
Hospital affiliation
- Mercy Medical Center - Cedar RapidsCedar Rapids, IA
Other facilities
- Mercy Home CareHome health agency · Cedar Rapids, IA
Industry payments (Open Payments)
- 2025$322.00 · 17 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $89.11 | 4 |
| Abbvie Inc. | $84.68 | 4 |
| Novo Nordisk Inc | $69.42 | 4 |
| Exact Sciences Corporation | $21.97 | 1 |
| Kowa Pharmaceuticals America, Inc. | $14.90 | 1 |
What the 2025 payments were for
- Food and Beverage$322.00 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 20 family medicine physicians in Marion · All family medicine physicians in Iowa