Melissa Yamashiro, PA
NPI 1083156384ActiveIndividual· Physician Assistant, Medical· Bountiful, UT
Physician Assistant, Medical (PA) in Bountiful, Utah, trained at Loma Linda University School of Medicine (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $75,608 for 355 claims, against $5,874 paid for services in 2024. Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $1,283 in all, mostly food and beverage.
Overview
| NPI | 1083156384 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Nov 17, 2016 |
| Last updated in NPPES | Nov 17, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 7520165-1206 | UT |
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 - Physician Assistant (UT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 96 |
|---|---|
| Services billed | 104 across 8 procedure codes |
| Paid by Medicare | $5,874 |
Part D prescriptions in 2024
| Prescriptions (claims) | 355 · 778 30-day fills |
|---|---|
| Patients | 132 |
| Total drug cost | $75,608 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Utah Gastroenterology LLCSt George, UT · 69 clinicians
Hospital affiliations
- American Fork HospitalAmerican Fork, UT
- Intermountain Health Riverton HospitalRiverton, UT
Industry payments (Open Payments)
- 2025$1,283 · 81 payments from 16 companies
- 2024$1,500 · 95 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $319.04 | 23 |
| Janssen Biotech, Inc. | $255.39 | 17 |
| Madrigal Pharmaceuticals | $113.09 | 5 |
| Takeda Pharmaceuticals U.S.A., Inc. | $92.78 | 6 |
| Genzyme Corporation | $83.78 | 5 |
What the 2025 payments were for
- Food and Beverage$1,283 · 81 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Physician Assistant, Medical providers in Bountiful
- 1992759583
- 1124000427
- 1124750096
- 1881060523
- 1790188829
- 1033238209
- 1063759215
- 1861510240