Wen Yee Lee, M.D.
NPI 1396701777ActiveIndividual· Internal Medicine· Chelmsford, MA
Internal Medicine (M.D.) in Chelmsford, Massachusetts, trained at Tufts University School of Medicine (class of 1996). 173 Medicare patients in 2024, $16,350 paid; nearly all of their 401 Part D prescriptions were generic (90%). Dexcom, Inc. was the largest of 2 companies reporting payments in 2025, $155.18 in all, mostly food and beverage.
Overview
| NPI | 1396701777 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 25, 2006 |
| Last updated in NPPES | Nov 16, 2020 |
| Certified by provider | Nov 16, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 160175 | MA |
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 - Internal Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 173 |
|---|---|
| Services billed | 510 across 65 procedure codes |
| Paid by Medicare | $16,350 |
Part D prescriptions in 2024
| Prescriptions (claims) | 401 · 462 30-day fills |
|---|---|
| Patients | 181 |
| Total drug cost | $18,191 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Internal Medicine |
Medical group
- Atrius Health IncBraintree, MA · 1,222 clinicians
Hospital affiliation
- Lowell General HospitalLowell, MA
Industry payments (Open Payments)
- 2025$155.18 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $132.17 | 1 |
| Abbott Laboratories | $23.01 | 1 |
What the 2025 payments were for
- Food and Beverage$155.18 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 45 internal medicine physicians in Chelmsford · All internal medicine physicians in Massachusetts