Chunwei Walter Lai, M.D., PH.D.
NPI 1134568306ActiveIndividual· Internal Medicine, Gastroenterology· Hagerstown, MD
Internal Medicine, Gastroenterology (M.D., PH.D.) in Hagerstown, Maryland, trained at Albert Einstein College of Medicine of Yeshiva University (class of 2013). In 2024 Medicare paid $83,039 for 437 patients, and Part D covered 311 of their prescriptions, 80% of them generic. Pacira Pharmaceuticals Incorporated reported $22.50 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1134568306 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D. |
| Sole proprietor | No |
| NPI issued | Jun 20, 2013 |
| Last updated in NPPES | Jul 18, 2023 |
| Certified by provider | Jul 18, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | D96225 | MD |
| Hospitalist | 208M00000X | MD458201 | PA |
| Student in an Organized Health Care Education/Training Program | 390200000X | MT203510 | PA |
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 - Gastroenterology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 437 |
|---|---|
| Services billed | 862 across 34 procedure codes |
| Paid by Medicare | $83,039 |
Part D prescriptions in 2024
| Prescriptions (claims) | 311 · 446 30-day fills |
|---|---|
| Patients | 134 |
| Total drug cost | $97,156 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Albert Einstein College of Medicine of Yeshiva University |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Gastroenterology |
Medical groups
- Meritus Medical Center IncHagerstown, MD · 743 clinicians
- Medical Practices of Antietam, LLCHagerstown, MD · 234 clinicians
Hospital affiliation
- Meritus Medical CenterHagerstown, MD
Industry payments (Open Payments)
- 2024$22.50 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Pacira Pharmaceuticals Incorporated | $22.50 | 1 |
What the 2024 payments were for
- Food and Beverage$22.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 17 gastroenterologists in Hagerstown · All gastroenterologists in Maryland