David Chia-Yau Lam, MD
NPI 1821588344ActiveIndividual· Anesthesiology· Worcester, MA
Anesthesiology (MD) in Worcester, Massachusetts, trained at University of Connecticut School of Medicine (class of 2018). 230 Medicare patients in 2024, $56,315 paid; nearly all of their 86 Part D prescriptions were generic (99%). Medtronic, Inc. was the largest of 6 companies reporting payments in 2025, $6,612 in all, mostly travel and lodging.
Overview
| NPI | 1821588344 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 10, 2018 |
| Last updated in NPPES | May 10, 2023 |
| Certified by provider | May 10, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 1015238 | MA |
| Anesthesiology, Pain Medicine | 207LP2900X | 1015238 | MA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | CT |
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 - Anesthesiology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 230 |
|---|---|
| Services billed | 574 across 80 procedure codes |
| Paid by Medicare | $56,315 |
Part D prescriptions in 2024
| Prescriptions (claims) | 86 · 88 30-day fills |
|---|---|
| Patients | 45 |
| Total drug cost | $491.35 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | University of Connecticut School of Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Anesthesiology |
| Secondary specialties | Pain Management |
| Telehealth | Offers telehealth |
Medical group
- Umass Memorial Medical Group IncWorcester, MA · 2,516 clinicians
Hospital affiliations
- Milford Regional Medical CenterMilford, MA
- Umass Memorial Health - Harrington HospitalSouthbridge, MA
- Umass Memorial Healthalliance HospitalsLeominster, MA
- Umass Memorial Medical Center/University CampusWorcester, MA
Industry payments (Open Payments)
- 2025$6,612 · 79 payments from 6 companies
- 2024$7,757 · 83 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $3,165 | 45 |
| Saluda Medical Americas, Inc. | $2,065 | 14 |
| Stryker Corporation | $623.11 | 1 |
| Boston Scientific Corporation | $558.50 | 16 |
| Abbott Laboratories | $173.27 | 2 |
What the 2025 payments were for
- Travel and Lodging$3,396 · 9 payments
- Food and Beverage$3,215 · 70 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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