Margaret Jane Blayney, MD
NPI 1629413018ActiveIndividual· Internal Medicine, Gastroenterology· East Lansing, MI
Internal Medicine, Gastroenterology (MD) in East Lansing, Michigan, trained at University of Michigan Medical School (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $245,197 for 912 claims, against $37,869 paid for services in 2024.
Overview
| NPI | 1629413018 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 30, 2013 |
| Last updated in NPPES | Mar 3, 2026 |
| Certified by provider | Mar 3, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 4301500792 | 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 - Gastroenterology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 262 |
|---|---|
| Services billed | 448 across 43 procedure codes |
| Paid by Medicare | $37,869 |
Part D prescriptions in 2024
| Prescriptions (claims) | 912 · 1,696 30-day fills |
|---|---|
| Patients | 305 |
| Total drug cost | $245,197 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Regents of the University of MichiganAnn Arbor, MI · 3,346 clinicians
- Troy Gastroenterology PCRochester Hills, MI · 49 clinicians
Hospital affiliations
- McLaren Greater LansingLansing, MI
- University of Michigan Health SystemAnn Arbor, MI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in East Lansing
- 1770250219
- 1588249478
- 1699880591
- 1184673402
- 1396041067
- 1720160252
- 1457407074
- 1508157702
- 1225087554
- 1700240819
- 1255781217
- 1760431084
All Internal Medicine, Gastroenterology providers in Michigan →