Ryan Mui, DO
NPI 1447817911ActiveIndividual· Internal Medicine, Gastroenterology· Lansing, MI
Internal Medicine, Gastroenterology (DO) in Lansing, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 2019). Part D covered 64 prescriptions written in 2024, 89% of them generic. Madrigal Pharmaceuticals was the largest of 3 companies reporting payments in 2025, $76.44 in all, mostly food and beverage.
Overview
| NPI | 1447817911 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 21, 2019 |
| Last updated in NPPES | Aug 12, 2026 |
| Certified by provider | Aug 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 5101028670 | MI |
| Internal Medicine | 207R00000X | 5101028670 | MI |
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 (MI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 64 · 115 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $10,054 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Internal Medicine |
Medical groups
- Edward W Sparrow Hospital AssociationLansing, MI · 730 clinicians
- Sparrow Carson HospitalGreenville, MI · 64 clinicians
Hospital affiliations
- Edward W Sparrow HospitalLansing, MI
- University of Michigan Health-Sparrow CarsonCarson City, MI
Industry payments (Open Payments)
- 2025$76.44 · 4 payments from 3 companies
- 2024$236.70 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $37.72 | 2 |
| Regeneron Healthcare Solutions, Inc. | $21.25 | 1 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $17.47 | 1 |
What the 2025 payments were for
- Food and Beverage$76.44 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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