Alison Elizabeth Collier, FNP
NPI 1639553753ActiveIndividual· Nurse Practitioner, Family· Simi Valley, CA
Nurse Practitioner, Family (FNP) with Advanced Dermatology of Colorado PC, practicing in Simi Valley, California. Their prescriptions cost Medicare Part D more than their services did: $175,285 for 228 claims, against $59,602 paid for services in 2024. Abbvie Inc. was the largest of 19 companies reporting payments in 2025, $3,177 in all, mostly food and beverage.
Overview
| NPI | 1639553753 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | Yes |
| NPI issued | Jul 17, 2015 |
| Last updated in NPPES | Jul 5, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | F340317-1 | NY |
| Registered Nurse | 163W00000X | 677429-1 | NY |
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 (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 195 |
|---|---|
| Services billed | 1,054 across 30 procedure codes |
| Paid by Medicare | $59,602 |
Part D prescriptions in 2024
| Prescriptions (claims) | 228 · 292 30-day fills |
|---|---|
| Patients | 108 |
| Total drug cost | $175,285 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Advanced Dermatology of Colorado PCFort Collins, CO · 65 clinicians
Industry payments (Open Payments)
- 2025$3,177 · 164 payments from 19 companies
- 2024$2,775 · 112 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $624.03 | 38 |
| Janssen Biotech, Inc. | $434.83 | 23 |
| Genzyme Corporation | $415.64 | 13 |
| Ucb, Inc. | $337.60 | 15 |
| Leo Pharma Inc. | $255.28 | 20 |
What the 2025 payments were for
- Food and Beverage$3,177 · 164 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 41 family nurse practitioners in Simi Valley · All family nurse practitioners in California