Mariya Rose Ostermiller, MPAS, PA-C
NPI 1407047202ActiveIndividual· Physician Assistant· Meridian, ID
Physician Assistant (MPAS, PA-C) with Treasure Valley Dermatology and Skin Cancer Center, PLLC, practicing in Meridian, Idaho. Their prescriptions cost Medicare Part D more than their services did: $182,526 for 964 claims, against $87,239 paid for services in 2024. Galderma Laboratories, L.P. was the largest of 9 companies reporting payments in 2025, $685.50 in all, mostly food and beverage.
Overview
| NPI | 1407047202 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MPAS, PA-C |
| Sole proprietor | No |
| NPI issued | Aug 6, 2007 |
| Last updated in NPPES | Jan 5, 2024 |
| Certified by provider | Jan 4, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA 683 | ID |
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 - Physician Assistant (ID) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 432 |
|---|---|
| Services billed | 2,399 across 35 procedure codes |
| Paid by Medicare | $87,239 |
Part D prescriptions in 2024
| Prescriptions (claims) | 964 · 1,072 30-day fills |
|---|---|
| Patients | 415 |
| Total drug cost | $182,526 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Treasure Valley Dermatology and Skin Cancer Center, PLLCMeridian, ID · 5 clinicians
Industry payments (Open Payments)
- 2025$685.50 · 36 payments from 9 companies
- 2024$279.31 · 13 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Galderma Laboratories, L.P. | $265.65 | 18 |
| Janssen Biotech, Inc. | $142.44 | 4 |
| Organon LLC | $77.46 | 6 |
| Abbvie Inc. | $55.54 | 2 |
| Kerecis Limited | $53.74 | 1 |
What the 2025 payments were for
- Food and Beverage$685.50 · 36 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 133 physician assistants in Meridian · All physician assistants in Idaho