Lawrence Leung, MD
NPI 1275196370ActiveIndividual· Internal Medicine, Gastroenterology· Ann Arbor, MI
Internal Medicine, Gastroenterology (MD) in Ann Arbor, Michigan, trained at University of Vermont College of Medicine (class of 2019). Part D covered 35 prescriptions written in 2024, 97% of them generic. Boston Scientific Corporation was the largest of 2 companies reporting payments in 2025, $1,684 in all, mostly travel and lodging.
Overview
| NPI | 1275196370 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 15, 2019 |
| Last updated in NPPES | Jun 30, 2025 |
| Certified by provider | Jun 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 4301514537 | MI |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA); Practitioner - Gastroenterology (MI); Practitioner - Gastroenterology (WA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 35 · 61 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $1,186 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of Vermont College of Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Regents of the University of MichiganAnn Arbor, MI · 3,346 clinicians
Hospital affiliations
- Confluence Health HospitalWenatchee, WA
- University of Michigan Health SystemAnn Arbor, MI
Industry payments (Open Payments)
- 2025$1,684 · 13 payments from 2 companies
- 2024$22.22 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $1,564 | 12 |
| Erbe USA Inc | $120.00 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,266 · 8 payments
- Food and Beverage$418.62 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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