Allergy and Immunology · Portland, OR
NPI
1457791261
Since 2013
Specialty
Allergy and Immunology
Code 207K00000X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
3181 SW Sam Jackson Park Rd, Mail Code Uhn67
Portland, OR, 97239
Phone (503) 494-7680
Groups this clinician bills Medicare through
Medicare paid, 2024
$5,228
232 services
Medicare patients, 2024
69
Average age 67
Drug cost, 2024
$428K
205 prescriptions
Company payments, 2025
$17K
From 2 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Karen M Anstey was code 99214 (office e&m - established), 18 times for 16 patients. In total Karen M Anstey billed 232 services in 13 codes, and Medicare paid $5,228.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2020-06-01.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 18 | 16 | $99.20 | $1,786 |
| 99213 Office E&M - Established | Office | 16 | 16 | $53.86 | $862 |
| 99451 E&M - Miscellaneous | Facility | 12 | 12 | $24.33 | $292 |
By year: 2022 $4,773 for 178 services; 2023 $6,456 for 186 services; 2024 $5,228 for 232 services.
Medicare prescription drug claims, 2024
In 2024, the drug Karen M Anstey prescribed most often to Medicare patients was Azelastine Hcl, with 27 prescriptions and refills. In total Karen M Anstey wrote 205 Medicare prescriptions that cost $428K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Azelastine Hcl Generic | 27 | 50 | 14 | $1,207 |
| Montelukast Sodium Generic | 24 | 71 | Under 11 | $361 |
| Berinert C1 Esterase Inhibitor | 15 | 15 | Under 11 | $239K |
| Albuterol Sulfate Hfa Albuterol Sulfate | 13 | 14 | Under 11 | $365 |
| Nucala Mepolizumab | 12 | 12 | Under 11 | $44K |
| Tezspire Tezepelumab-Ekko | 11 | 11 | Under 11 | $46K |
| Epinephrine Generic | 11 | 11 | Under 11 | $2,343 |
| Gammagard Liquid Immun Glob G(Igg)/Gly/Iga Ov50 | 11 | 11 | Under 11 | $60K |
Brand drugs: 102 claims; generic drugs: 103 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Karen M Anstey $17K ($17K in general payments such as food, travel and fees) from 2 companies. The largest payer was Sanofi US Services Inc. with $15K.
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.