Nurse Practitioner · Stanford, CA
NPI
1558549089
Since 2008
Specialty
Nurse Practitioner
Code 363L00000X
Group practices
3
Medicare group memberships
Hospitals
1
Hospital affiliations
300 Pasteur Dr
Stanford, CA, 94305
Phone (650) 723-4000
Groups this clinician bills Medicare through
Medicare paid, 2024
$31K
501 services
Medicare patients, 2024
201
Average age 69
Drug cost, 2024
$4.5M
656 prescriptions
Company payments, 2025
$8,485
From 8 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Michelle S Gapay was code 99215 (office e&m - established), 110 times for 87 patients. In total Michelle S Gapay billed 501 services in 14 codes, and Medicare paid $31K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2025-12-30.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99215 Office E&M - Established | Facility | 110 | 87 | $98.73 | $11K |
| 11105 Skin Biopsy | Facility | 92 | 47 | $18.24 | $1,678 |
| 99214 Office E&M - Established | Office | 76 | 57 | $96.05 | $7,300 |
| 11104 Skin Biopsy | Facility | 47 | 47 | $33.58 | $1,578 |
| 99213 Office E&M - Established | Office | 45 | 35 | $64.90 | $2,920 |
| 99212 Office E&M - Established | Office | 23 | 21 | $46.19 | $1,062 |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 21 | 21 | $12.13 | $255 |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Facility | 19 | 13 | $12.74 | $242 |
| 99215 Office E&M - Established | Office | 14 | 12 | $109.13 | $1,528 |
By year: 2022 $1,499 for 18 services; 2023 $26K for 348 services; 2024 $31K for 501 services.
Medicare prescription drug claims, 2024
In 2024, the drug Michelle S Gapay prescribed most often to Medicare patients was Evrysdi (Risdiplam), with 88 prescriptions and refills. In total Michelle S Gapay wrote 656 Medicare prescriptions that cost $4.5M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Evrysdi Risdiplam | 88 | 91 | Under 11 | $2.6M |
| Gabapentin Generic | 77 | 129 | 21 | $1,159 |
| Pregabalin Generic | 55 | 77 | 12 | $1,321 |
| Baclofen Generic | 48 | 88 | 17 | $1,367 |
| Mycophenolate Mofetil Generic | 46 | 74 | Under 11 | $5,461 |
| Radicava Ors Edaravone | 44 | 44 | Under 11 | $598K |
| Duloxetine Hcl Generic | 36 | 58 | Under 11 | $473 |
| Prednisone Generic | 31 | 59 | Under 11 | $179 |
| Pyridostigmine Bromide Generic | 30 | 51 | Under 11 | $2,434 |
| Hizentra Immun Glob G(Igg)/Pro/Iga 0-50 | 25 | 25 | Under 11 | $568K |
| Atropine Sulfate Generic | 22 | 34 | 13 | $2,160 |
| Riluzole Generic | 17 | 25 | Under 11 | $1,217 |
| Diazepam Generic | 14 | 14 | Under 11 | $4,594 |
Brand drugs: 190 claims; generic drugs: 466 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Michelle S Gapay $8,485 ($8,485 in general payments such as food, travel and fees) from 8 companies. The largest payer was Argenx US, Inc. with $2,891.
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.