Erin K. Willits, MD
NPI 1962766402ActiveIndividual· Allergy & Immunology· Fort Collins, CO
Allergy & Immunology (MD) in Fort Collins, Colorado, trained at University of Washington School of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $405,294 for 1,202 claims, against $136,497 paid for services in 2024. Genzyme Corporation was the largest of 13 companies reporting payments in 2025, $632.30 in all, mostly food and beverage.
Overview
| NPI | 1962766402 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 29, 2012 |
| Last updated in NPPES | Sep 29, 2026 |
| Certified by provider | Oct 18, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | DR.0063320 | CO |
| Allergy & Immunology | 207K00000X | 12626A | WY |
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 - Allergy/Immunology (CO); Practitioner - Allergy/Immunology (WY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 352 |
|---|---|
| Services billed | 9,286 across 22 procedure codes |
| Paid by Medicare | $136,497 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,202 · 1,799 30-day fills |
|---|---|
| Patients | 245 |
| Total drug cost | $405,294 |
| Generic share | 62% of claims |
Education and affiliations
| Medical school | University of Washington School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Allergy/Immunology |
Medical group
- Allergy Partners of Colorado, PCFort Collins, CO · 6 clinicians
Hospital affiliations
- Banner North Colorado Medical CenterGreeley, CO
- Poudre Valley HospitalFort Collins, CO
Industry payments (Open Payments)
- 2025$632.30 · 28 payments from 13 companies
- 2024$907.66 · 51 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $82.48 | 3 |
| Astrazeneca Pharmaceuticals LP | $75.28 | 3 |
| Regeneron Healthcare Solutions, Inc. | $67.42 | 3 |
| Csl Behring | $60.12 | 3 |
| Takeda Pharmaceuticals U.S.A., Inc. | $56.57 | 2 |
What the 2025 payments were for
- Food and Beverage$632.30 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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