Larry Stephen Wasser, M.D.
NPI 1124011457ActiveIndividual· Internal Medicine, Pulmonary Disease· Brookfield, CT
Internal Medicine, Pulmonary Disease (M.D.) in Brookfield, Connecticut, trained at Icahn School of Medicine at Mount Sinai (class of 1983). Their prescriptions cost Medicare Part D more than their services did: $548,782 for 1,888 claims, against $347,178 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 7 companies reporting payments in 2025, $668.74 in all, mostly food and beverage.
Overview
| NPI | 1124011457 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 23, 2005 |
| Last updated in NPPES | Sep 21, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 029504 | CT |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 029504 | CT |
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 - Pulmonary Disease (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 134 |
|---|---|
| Services billed | 7,243 across 15 procedure codes |
| Paid by Medicare | $347,178 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,888 · 3,819 30-day fills |
|---|---|
| Patients | 202 |
| Total drug cost | $548,782 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Pulmonary Disease |
Hospital affiliation
- Danbury HospitalDanbury, CT
Industry payments (Open Payments)
- 2025$668.74 · 40 payments from 7 companies
- 2024$1,058 · 64 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $431.58 | 28 |
| Verona Pharma, Inc. | $93.01 | 5 |
| Astrazeneca Pharmaceuticals LP | $47.43 | 2 |
| Viatris Specialty LLC | $33.67 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $24.32 | 1 |
What the 2025 payments were for
- Food and Beverage$668.74 · 40 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Pulmonary Disease providers in Brookfield
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All Internal Medicine, Pulmonary Disease providers in Connecticut →