Marc M. Sadowsky, M.D.
NPI 1558358689ActiveIndividual· Psychiatry & Neurology, Psychiatry· Lawrence, MA
Psychiatry & Neurology, Psychiatry (M.D.) in Lawrence, Massachusetts, trained at Tufts University School of Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $420,157 for 7,814 claims, against $78,598 paid for services in 2024.
Overview
| NPI | 1558358689 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 4, 2005 |
| Last updated in NPPES | Mar 4, 2020 |
| Certified by provider | Mar 4, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 75226 | MA |
| Psychiatry & Neurology, Psychiatry | 2084P0800X | 8176 | NH |
| Psychiatry & Neurology, Geriatric Psychiatry | 2084P0805X | 75226 | MA |
| Psychiatry & Neurology, Geriatric Psychiatry | 2084P0805X | 8176 | NH |
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 - Psychiatry (MA); Practitioner - Psychiatry (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 306 |
|---|---|
| Services billed | 1,328 across 14 procedure codes |
| Paid by Medicare | $78,598 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,814 · 12,382 30-day fills |
|---|---|
| Patients | 428 |
| Total drug cost | $420,157 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- Lgh Medical Group, Inc.Lowell, MA · 166 clinicians
Hospital affiliation
- Southern Nh Medical CenterNashua, NH
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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