Tiffany Marie Heiar, NP-C
NPI 1669137832ActiveIndividual· Nurse Practitioner· Ames, IA
Nurse Practitioner (NP-C) with McFarland Clinic PC, practicing in Ames, Iowa. Their prescriptions cost Medicare Part D more than their services did: $318,573 for 991 claims, against $176,685 paid for services in 2024. Genzyme Corporation was the largest of 6 companies reporting payments in 2025, $451.28 in all, mostly food and beverage. Lists Boone County Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1669137832 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-C |
| Sole proprietor | No |
| NPI issued | Nov 3, 2021 |
| Last updated in NPPES | Apr 9, 2026 |
| Certified by provider | Apr 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | A166302 | IA |
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 - Nurse Practitioner (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 172 |
|---|---|
| Services billed | 9,719 across 36 procedure codes |
| Paid by Medicare | $176,685 |
Part D prescriptions in 2024
| Prescriptions (claims) | 991 · 1,218 30-day fills |
|---|---|
| Patients | 158 |
| Total drug cost | $318,573 |
| Generic share | 51% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- McFarland Clinic PCAmes, IA · 363 clinicians
Hospital affiliations
- Boone County HospitalBoone, IA
- Mary Greeley Medical CenterAmes, IA
Industry payments (Open Payments)
- 2025$451.28 · 34 payments from 6 companies
- 2024$643.13 · 28 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $226.61 | 21 |
| Regeneron Healthcare Solutions, Inc. | $86.29 | 5 |
| Astrazeneca Pharmaceuticals LP | $82.95 | 5 |
| Ars Pharmaceuticals Operations, Inc. | $20.85 | 1 |
| Amgen Inc. | $18.16 | 1 |
What the 2025 payments were for
- Food and Beverage$434.78 · 32 payments
- Education$16.50 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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