Lan A. Bui, DO
NPI 1255311163ActiveIndividual· Obstetrics & Gynecology· Canton, MI
Obstetrics & Gynecology (DO) with Michigan Women's Care, PLLC, practicing in Canton, Michigan. 47 Medicare patients in 2024, $7,251 paid; nearly all of their 147 Part D prescriptions were generic (90%). Sumitomo Pharma America, Inc. was the largest of 10 companies reporting payments in 2025, $660.15 in all, mostly food and beverage. Lists Beaumont Hospital - Dearborn and 1 other hospital as hospital affiliations.
Overview
| NPI | 1255311163 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jan 18, 2006 |
| Last updated in NPPES | Jan 24, 2024 |
| Certified by provider | Jan 24, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 5101014016 | MI |
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 - Obstetrics/Gynecology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 47 |
|---|---|
| Services billed | 89 across 22 procedure codes |
| Paid by Medicare | $7,251 |
Part D prescriptions in 2024
| Prescriptions (claims) | 147 · 251 30-day fills |
|---|---|
| Patients | 55 |
| Total drug cost | $7,634 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Michigan Women's Care, PLLCDearborn, MI · 3 clinicians
Hospital affiliations
- Beaumont Hospital - DearbornDearborn, MI
- Corewell Health Wayne HospitalWayne, MI
Industry payments (Open Payments)
- 2025$660.15 · 28 payments from 10 companies
- 2024$361.91 · 16 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $122.79 | 5 |
| Coopersurgical, Inc. | $114.61 | 5 |
| Channel Medsystems, Inc. | $84.44 | 2 |
| Hologic Sales and Service, LLC | $76.97 | 3 |
| Mayne Pharma Commercial LLC | $67.53 | 4 |
What the 2025 payments were for
- Food and Beverage$660.15 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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