Ian D. Weir, D.O.
NPI 1548368293ActiveIndividual· Internal Medicine, Pulmonary Disease· Norwalk, CT
Internal Medicine, Pulmonary Disease (D.O.) with Nuvance Health Medical Practice CT Inc, practicing in Norwalk, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $134,197 for 308 claims, against $84,280 paid for services in 2024. Avadel Cns Pharmaceuticals, LLC was the largest of 10 companies reporting payments in 2025, $887.12 in all, mostly food and beverage. Lists Danbury Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1548368293 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Sep 20, 2006 |
| Last updated in NPPES | May 1, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 044675 | CT |
| Internal Medicine | 207R00000X | 044675 | CT |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 044675 | CT |
| Internal Medicine, Sleep Medicine | 207RS0012X | 044675 | 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 | 354 |
|---|---|
| Services billed | 1,030 across 37 procedure codes |
| Paid by Medicare | $84,280 |
Part D prescriptions in 2024
| Prescriptions (claims) | 308 · 504 30-day fills |
|---|---|
| Patients | 67 |
| Total drug cost | $134,197 |
| Generic share | 40% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists), Sleep Medicine |
| Telehealth | Offers telehealth |
Medical group
- Nuvance Health Medical Practice CT IncDanbury, CT · 747 clinicians
Hospital affiliations
- Danbury HospitalDanbury, CT
- Norwalk HospitalNorwalk, CT
Industry payments (Open Payments)
- 2025$887.12 · 20 payments from 10 companies
- 2024$404.91 · 11 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Avadel Cns Pharmaceuticals, LLC | $229.61 | 2 |
| Harmony Biosciences LLC | $195.02 | 3 |
| Jazz Pharmaceuticals Inc. | $179.99 | 2 |
| Verona Pharma, Inc. | $71.70 | 3 |
| Genzyme Corporation | $60.15 | 2 |
What the 2025 payments were for
- Food and Beverage$537.12 · 18 payments
- Consulting Fee$350.00 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 19 pulmonologists in Norwalk · All pulmonologists in Connecticut