Michael T. Johnstone, M.D.
NPI 1235164336ActiveIndividual· Internal Medicine, Cardiovascular Disease· Brighton, MA
Internal Medicine, Cardiovascular Disease (M.D.) in Brighton, Massachusetts, trained at M H Kornberg School of Dentistry, Temple University (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $507,667 for 2,090 claims, against $74,924 paid for services in 2024. Siemens Medical Solutions USA, Inc. reported $20.87 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1235164336 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 11, 2006 |
| Last updated in NPPES | Apr 30, 2026 |
| Certified by provider | Apr 30, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 60598 | MA |
| Nuclear Medicine, Nuclear Cardiology | 207UN0901X | 60598 | MA |
| Internal Medicine | 207R00000X | 60598 | MA |
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 - Cardiovascular Disease (Cardiology) (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 806 |
|---|---|
| Services billed | 1,754 across 41 procedure codes |
| Paid by Medicare | $74,924 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,090 · 4,917 30-day fills |
|---|---|
| Patients | 200 |
| Total drug cost | $507,667 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | M H Kornberg School of Dentistry, Temple University |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical groups
- Bmc Affiliated Physicians, Inc.Brockton, MA · 564 clinicians
- Steward St Elizabeths Medical Center of Boston IncBrighton, MA · 9 clinicians
Hospital affiliations
- Boston Medical CenterBoston, MA
- Boston Medical Center-BrightonBrighton, MA
- Good Samaritan Medical CenterBrockton, MA
- Holy Family HospitalMethuen, MA
- Merrimack Health Lawrence HospitalLawrence, MA
Industry payments (Open Payments)
- 2025$20.87 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Siemens Medical Solutions USA, Inc. | $20.87 | 1 |
What the 2025 payments were for
- Food and Beverage$20.87 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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