Physician Assistant · Ann Arbor, MI
NPI
1467926485
Since 2019
Specialty
Physician Assistant
Code 363A00000X
Group practices
1
Medicare group memberships
Hospitals
5
Hospital affiliations
1500 E Medical Center Dr
Ann Arbor, MI, 48109
Phone (734) 936-4000
Groups this clinician bills Medicare through
Medicare paid, 2024
$32K
503 services
Medicare patients, 2024
393
Average age 75
Drug cost, 2024
$1.2M
1,079 prescriptions
Company payments, 2025
$92
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Clare Masternak was code 99214 (office e&m - established), 288 times for 256 patients. In total Clare Masternak billed 503 services in 6 codes, and Medicare paid $32K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2022-07-05.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Facility | 288 | 256 | $60.41 | $17K |
| 99213 Office E&M - Established | Facility | 81 | 75 | $41.31 | $3,346 |
| 99215 Office E&M - Established | Facility | 80 | 78 | $95.21 | $7,617 |
| 99204 Office E&M - New | Facility | 23 | 23 | $77.07 | $1,773 |
| 99205 Office E&M - New | Facility | 17 | 17 | $92.03 | $1,565 |
By year: 2022 $22K for 295 services; 2023 $33K for 493 services; 2024 $32K for 503 services.
Medicare prescription drug claims, 2024
In 2024, the drug Clare Masternak prescribed most often to Medicare patients was Alendronate Sodium, with 445 prescriptions and refills. In total Clare Masternak wrote 1,079 Medicare prescriptions that cost $1.2M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Alendronate Sodium Generic | 445 | 1,166 | 149 | $5,027 |
| Teriparatide Generic | 209 | 218 | 39 | $489K |
| Tymlos Abaloparatide | 131 | 133 | 26 | $341K |
| Forteo Teriparatide | 85 | 85 | 11 | $354K |
| Trueplus Pen Needle Pen Needle, Diabetic | 69 | 195 | 31 | $2,061 |
| Ultra-Fine Mini Pen Needle Pen Needle, Diabetic | 58 | 173 | 28 | $3,021 |
| Raloxifene Hcl Generic | 39 | 89 | 12 | $2,156 |
Brand drugs: 339 claims; generic drugs: 593 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Clare Masternak $92 ($92 in general payments such as food, travel and fees) from 1 company. The largest payer was Amgen Inc. with $92.
| Company | Payments | Amount |
|---|---|---|
| Amgen Inc. AMGN | 2 | $92 |
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.