Allison Win, M.D.
NPI 1134367139ActiveIndividual· Family Medicine· Rockville, MD
Family Medicine (M.D.) in Rockville, Maryland, licensed in MD and CA, with an NPI issued in January 2009. 144 Medicare patients in 2024, $68,197 paid; nearly all of their 1,298 Part D prescriptions were generic (92%). Bayer Healthcare Pharmaceuticals Inc. was the largest of 12 companies reporting payments in 2025, $1,022 in all, mostly food and beverage.
Overview
| NPI | 1134367139 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 28, 2009 |
| Last updated in NPPES | Oct 9, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | D0069859 | MD |
| Family Medicine | 207Q00000X | A109945 | CA |
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 - Family Practice (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 144 |
|---|---|
| Services billed | 896 across 18 procedure codes |
| Paid by Medicare | $68,197 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,298 · 3,060 30-day fills |
|---|---|
| Patients | 132 |
| Total drug cost | $93,446 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Other facilities
- Adventist Home Health Services, Inc.Home health agency · Silver Spring, MD
Industry payments (Open Payments)
- 2025$1,022 · 33 payments from 12 companies
- 2024$523.67 · 19 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $352.85 | 10 |
| Amgen Inc. | $193.95 | 6 |
| Novo Nordisk Inc | $122.53 | 1 |
| Astrazeneca Pharmaceuticals LP | $104.38 | 4 |
| Astellas Pharma US Inc | $61.06 | 2 |
What the 2025 payments were for
- Food and Beverage$1,022 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 107 family medicine physicians in Rockville · All family medicine physicians in Maryland