Maria Liza Laynes, MD
NPI 1649270299ActiveIndividual· Internal Medicine· Mt Pleasant, MI
Internal Medicine (MD) in Mt Pleasant, Michigan, licensed in MI, with an NPI issued in July 2005. Their prescriptions cost Medicare Part D more than their services did: $10,474,003 for 7,456 claims, against $96,101 paid for services in 2024. Janssen Biotech, Inc. was the largest of 6 companies reporting payments in 2025, $607.73 in all, mostly food and beverage. Lists McLaren Central Michigan and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1649270299 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 26, 2005 |
| Last updated in NPPES | Mar 18, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | ML056805 | 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 - Internal Medicine (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 345 |
|---|---|
| Services billed | 2,366 across 32 procedure codes |
| Paid by Medicare | $96,101 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,456 · 14,830 30-day fills |
|---|---|
| Patients | 776 |
| Total drug cost | $10,474,003 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Rheumatology |
| Telehealth | Offers telehealth |
Hospital affiliations
- McLaren Central MichiganMount Pleasant, MI
- Mymichigan Medical Center AlmaAlma, MI
- Mymichigan Medical Center ClareClare, MI
- Mymichigan Medical Center GladwinGladwin, MI
- Mymichigan Medical Center MidlandMidland, MI
Other facilities
- McLaren Home CareHome health agency · Mount Pleasant, MI
Industry payments (Open Payments)
- 2025$607.73 · 8 payments from 6 companies
- 2024$59.99 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $175.13 | 2 |
| Sobi, Inc | $145.40 | 1 |
| Argenx US, Inc. | $137.26 | 1 |
| Novartis Pharmaceuticals Corporation | $103.92 | 2 |
| Abbvie Inc. | $27.01 | 1 |
What the 2025 payments were for
- Food and Beverage$532.74 · 7 payments
- Education$74.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 22 internal medicine physicians in Mt Pleasant · All internal medicine physicians in Michigan