Kristy Merck Aghayan, PA-C
NPI 1083755607ActiveIndividual· Physician Assistant, Surgical· Portland, OR
Physician Assistant, Surgical (PA-C) with University Professional Services, practicing in Portland, Oregon. Medicare paid $4,193 for services to 25 patients in 2024. Merz North America, Inc. reported $126.25 in payments in 2025, mostly food and beverage. Lists Ohsu Hospital and Clinics as a hospital affiliation.
Overview
| NPI | 1083755607 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Feb 8, 2007 |
| Last updated in NPPES | Mar 7, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | — | — |
| Physician Assistant | 363A00000X | PA155946 | OR |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 25 |
|---|---|
| Services billed | 43 across 7 procedure codes |
| Paid by Medicare | $4,193 |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- University Professional ServicesBeaverton, OR · 1,724 clinicians
Hospital affiliation
- Ohsu Hospital and ClinicsPortland, OR
Industry payments (Open Payments)
- 2025$126.25 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merz North America, Inc. | $126.25 | 1 |
What the 2025 payments were for
- Food and Beverage$126.25 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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