Tamara L. Mason, DNP,FNP-C
NPI 1407330996ActiveIndividual· Nurse Practitioner· Cheyenne, WY
Nurse Practitioner (DNP,FNP-C) with Seitz Dermatology PC, practicing in Cheyenne, Wyoming. Their prescriptions cost Medicare Part D more than their services did: $396,575 for 909 claims, against $138,811 paid for services in 2024. Sanofi-Aventis U.S. LLC was the largest of 12 companies reporting payments in 2025, $467.96 in all, mostly food and beverage. Lists Cheyenne Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1407330996 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP,FNP-C |
| Sole proprietor | No |
| NPI issued | Sep 20, 2018 |
| Last updated in NPPES | Sep 20, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 20090.1803 | WY |
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 (WY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 934 |
|---|---|
| Services billed | 4,290 across 42 procedure codes |
| Paid by Medicare | $138,811 |
Part D prescriptions in 2024
| Prescriptions (claims) | 909 · 1,016 30-day fills |
|---|---|
| Patients | 337 |
| Total drug cost | $396,575 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Seitz Dermatology PCCheyenne, WY · 2 clinicians
Hospital affiliation
- Cheyenne Regional Medical CenterCheyenne, WY
Industry payments (Open Payments)
- 2025$467.96 · 20 payments from 12 companies
- 2024$660.66 · 23 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sanofi-Aventis U.S. LLC | $99.00 | 1 |
| Janssen Biotech, Inc. | $83.27 | 3 |
| Galderma Laboratories, L.P. | $77.09 | 4 |
| Novartis Pharmaceuticals Corporation | $41.02 | 2 |
| Abbvie Inc. | $33.41 | 2 |
What the 2025 payments were for
- Food and Beverage$313.97 · 18 payments
- Education$153.99 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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