Mark Linzer, MD
NPI 1245206267ActiveIndividual· Internal Medicine· Minneapolis, MN
Internal Medicine (MD) in Minneapolis, Minnesota, trained at Johns Hopkins University School of Medicine (class of 1977). Their prescriptions cost Medicare Part D more than their services did: $37,318 for 53 claims, against $7,997 paid for services in 2024. Ortho Solutions Inc reported $164.56 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1245206267 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 28, 2006 |
| Last updated in NPPES | Oct 18, 2024 |
| Certified by provider | Oct 18, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 52486 | MN |
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 (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 27 |
|---|---|
| Services billed | 124 across 7 procedure codes |
| Paid by Medicare | $7,997 |
Part D prescriptions in 2024
| Prescriptions (claims) | 53 · 67 30-day fills |
|---|---|
| Patients | 17 |
| Total drug cost | $37,318 |
| Generic share | 60% of claims |
Education and affiliations
| Medical school | Johns Hopkins University School of Medicine |
|---|---|
| Graduation year | 1977 |
| Medicare specialty | Internal Medicine |
Medical group
- Hennepin Healthcare System IncMinneapolis, MN · 871 clinicians
Hospital affiliations
- Hennepin County Medical CenterMinneapolis, MN
- North Memorial Health HospitalRobbinsdale, MN
Industry payments (Open Payments)
- 2025$164.56 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ortho Solutions Inc | $164.56 | 3 |
What the 2025 payments were for
- Food and Beverage$164.56 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Minneapolis
- 1053354506
- 1053354985
- 1083008072
- 1407893936
- 1669871455
- 1841999158
- 1790747012
- 1083365084
- 1295917995
- 1275412561
- 1174494827
- 1316454077