Walter J. Nalesnik Jr., MD
NPI 1376616029ActiveIndividual· Internal Medicine· Lynn, MA
Internal Medicine (MD) in Lynn, Massachusetts, trained at Wayne State University School of Medicine (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $529,661 for 6,999 claims, against $106,321 paid for services in 2024.
Overview
| NPI | 1376616029 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 17, 2006 |
| Last updated in NPPES | Jul 10, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | S3680 | MA |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 234 |
|---|---|
| Services billed | 1,851 across 11 procedure codes |
| Paid by Medicare | $106,321 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,999 · 15,623 30-day fills |
|---|---|
| Patients | 394 |
| Total drug cost | $529,661 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Massachusetts General HospitalBoston, MA
- North Shore Medical Center -Salem, MA
- Wentworth-Douglass HospitalDover, NH
Other facilities
- Mass General Brigham Home Care, IncHome health agency · Newton, MA
- Spaulding Rehabilitation HospitalInpatient rehabilitation facility · Charlestown, MA
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 physicians in Lynn
- 1154768281
- 1568464279
- 1114993516
- 1134184161
- 1245286012
- 1255388047
- 1396972832
- 1487600268
- 1598384364
- 1841246758
- 1154564060
- 1215988100
All 25 internal medicine physicians in Lynn · All internal medicine physicians in Massachusetts