Lien H. Lam, M.D.
NPI 1972820702ActiveIndividual· Emergency Medicine· Patchogue, NY
Emergency Medicine (M.D.) with John T Mather Memorial Hospital, practicing in Patchogue, New York. 784 Medicare patients in 2024, $108,438 paid; nearly all of their 326 Part D prescriptions were generic (93%). Neuronetics, Inc. was the largest of 2 companies reporting payments in 2025, $41.88 in all, mostly food and beverage. Lists John T Mather Memorial Hospital of Port Jefferson as a hospital affiliation.
Overview
| NPI | 1972820702 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 4, 2010 |
| Last updated in NPPES | Oct 1, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 60250762 | NY |
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 - Emergency Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 784 |
|---|---|
| Services billed | 884 across 31 procedure codes |
| Paid by Medicare | $108,438 |
Part D prescriptions in 2024
| Prescriptions (claims) | 326 · 330 30-day fills |
|---|---|
| Patients | 225 |
| Total drug cost | $8,515 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical group
- John T Mather Memorial HospitalPort Jefferson, NY · 175 clinicians
Hospital affiliation
- John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY
Industry payments (Open Payments)
- 2025$41.88 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Neuronetics, Inc. | $21.38 | 1 |
| Lilly USA, LLC | $20.50 | 1 |
What the 2025 payments were for
- Food and Beverage$41.88 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 23 emergency medicine physicians in Patchogue · All emergency medicine physicians in New York