Karen Marie Anstey, M.D.
NPI 1457791261ActiveIndividual· Allergy & Immunology· Portland, OR
Allergy & Immunology (M.D.) in Portland, Oregon, trained at Oregon Health Sciences University School of Medicine (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $427,540 for 205 claims, against $5,228 paid for services in 2024. Sanofi US Services Inc. was the largest of 2 companies reporting payments in 2025, $16,924 in all, mostly consulting fees.
Overview
| NPI | 1457791261 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 26, 2013 |
| Last updated in NPPES | Jun 1, 2020 |
| Certified by provider | Jun 1, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | MD198556 | OR |
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 - Allergy/Immunology (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 69 |
|---|---|
| Services billed | 232 across 13 procedure codes |
| Paid by Medicare | $5,228 |
Part D prescriptions in 2024
| Prescriptions (claims) | 205 · 319 30-day fills |
|---|---|
| Patients | 46 |
| Total drug cost | $427,540 |
| Generic share | 50% of claims |
Education and affiliations
| Medical school | Oregon Health Sciences University School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Allergy/Immunology |
| Telehealth | Offers telehealth |
Medical group
- University Professional ServicesBeaverton, OR · 1,724 clinicians
Hospital affiliations
- Adventist Health PortlandPortland, OR
- Ohsu Hospital and ClinicsPortland, OR
Industry payments (Open Payments)
- 2025$16,924 · 8 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sanofi US Services Inc. | $14,776 | 7 |
| Astrazeneca Pharmaceuticals LP | $2,148 | 1 |
What the 2025 payments were for
- Consulting Fee$14,783 · 2 payments
- Travel and Lodging$1,778 · 4 payments
- Food and Beverage$363.84 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Allergy & Immunology providers in Portland
- 1407156482
- 1003005711
- 1225207178
- 1013913409
- 1710982293
- 1629175443
- 1538227434
- 1972617330
- 1609093871
- 1982022265
- 1114364247
- 1487725990