Wei Fan, M.D.
NPI 1013273606ActiveIndividual· Internal Medicine· Rockville, MD
Internal Medicine (M.D.) in Rockville, Maryland, licensed in MD, with an NPI issued in April 2012. Their prescriptions cost Medicare Part D more than their services did: $1,052,725 for 10,005 claims, against $280,564 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 13 companies reporting payments in 2025, $800.18 in all, mostly food and beverage. Lists Adventist Healthcare Shady Grove Medical Center as a hospital affiliation.
Overview
| NPI | 1013273606 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 8, 2012 |
| Last updated in NPPES | Mar 3, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | D0078938 | MD |
| Internal Medicine | 207R00000X | D78938 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 539 |
|---|---|
| Services billed | 5,492 across 35 procedure codes |
| Paid by Medicare | $280,564 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,005 · 19,920 30-day fills |
|---|---|
| Patients | 501 |
| Total drug cost | $1,052,725 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliation
- Adventist Healthcare Shady Grove Medical CenterRockville, MD
Other facilities
- Adventist Home Health Services, Inc.Home health agency · Silver Spring, MD
Industry payments (Open Payments)
- 2025$800.18 · 38 payments from 13 companies
- 2024$1,135 · 52 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $211.42 | 6 |
| Gilead Sciences, Inc. | $208.40 | 13 |
| Amgen Inc. | $104.10 | 5 |
| Glaxosmithkline, LLC. | $72.43 | 4 |
| Novo Nordisk Inc | $39.70 | 2 |
What the 2025 payments were for
- Food and Beverage$800.18 · 38 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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