Usama Bin Nasir, M.D.
NPI 1134570633ActiveIndividual· Internal Medicine, Cardiovascular Disease· Bloomfield, CT
Internal Medicine, Cardiovascular Disease (M.D.) with Hartford Healthcare Medical Group Specialists PLLC, practicing in Bloomfield, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $354,246 for 1,640 claims, against $61,413 paid for services in 2024. Abbott Laboratories was the largest of 8 companies reporting payments in 2025, $931.79 in all, mostly food and beverage. Lists Hartford Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1134570633 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 27, 2016 |
| Last updated in NPPES | Jun 21, 2022 |
| Certified by provider | Jun 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 71049 | CT |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 279313 | MA |
| Student in an Organized Health Care Education/Training Program | 390200000X | 279313 | 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 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 - Cardiovascular Disease (Cardiology) (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 424 |
|---|---|
| Services billed | 1,344 across 31 procedure codes |
| Paid by Medicare | $61,413 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,640 · 4,335 30-day fills |
|---|---|
| Patients | 312 |
| Total drug cost | $354,246 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical group
- Hartford Healthcare Medical Group Specialists PLLCBridgeport, CT · 1,588 clinicians
Hospital affiliations
- Hartford HospitalHartford, CT
- Lahey Hospital & Medical Center, BurlingtonBurlington, MA
- Manchester Memorial HospitalManchester, CT
- Middlesex HospitalMiddletown, CT
Industry payments (Open Payments)
- 2025$931.79 · 18 payments from 8 companies
- 2024$736.07 · 22 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $396.91 | 2 |
| Novartis Pharmaceuticals Corporation | $200.77 | 7 |
| Medtronic, Inc. | $135.26 | 1 |
| E.R. Squibb & Sons, L.L.C. | $82.35 | 4 |
| Amgen Inc. | $34.46 | 1 |
What the 2025 payments were for
- Food and Beverage$679.99 · 17 payments
- Education$251.80 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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