Lawrence S. Block, MD
NPI 1710906359ActiveIndividual· Internal Medicine, Cardiovascular Disease· Lynn, MA
Internal Medicine, Cardiovascular Disease (MD) in Lynn, Massachusetts, trained at Tufts University School of Medicine (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $751,268 for 3,637 claims, against $68,515 paid for services in 2024.
Overview
| NPI | 1710906359 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 18, 2006 |
| Last updated in NPPES | Jan 15, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 49960 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 937 |
|---|---|
| Services billed | 1,275 across 19 procedure codes |
| Paid by Medicare | $68,515 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,637 · 9,568 30-day fills |
|---|---|
| Patients | 626 |
| Total drug cost | $751,268 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical group
- Massachusetts General Physicians Organization IncBoston, MA · 3,558 clinicians
Hospital affiliations
- Massachusetts General HospitalBoston, MA
- North Shore Medical Center -Salem, MA
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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