Shishir Mathur, M.D.
NPI 1003016957ActiveIndividual· Internal Medicine, Cardiovascular Disease· Glastonbury, CT
Internal Medicine, Cardiovascular Disease (M.D.) with Hartford Hospital and 1 other group, practicing in Glastonbury, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $487,481 for 2,348 claims, against $168,337 paid for services in 2024. Abbott Laboratories was the largest of 23 companies reporting payments in 2025, $4,351 in all, mostly food and beverage. Lists Griffin Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1003016957 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 19, 2007 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 047888 | CT |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 047888 | CT |
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 - Interventional Cardiology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,238 |
|---|---|
| Services billed | 2,387 across 73 procedure codes |
| Paid by Medicare | $168,337 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,348 · 6,126 30-day fills |
|---|---|
| Patients | 320 |
| Total drug cost | $487,481 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical groups
- Hartford HospitalHartford, CT · 1,044 clinicians
- Starling Physicians, PLLCWethersfield, CT · 283 clinicians
Hospital affiliations
- Griffin HospitalDerby, CT
- Hartford HospitalHartford, CT
- Manchester Memorial HospitalManchester, CT
- Middlesex HospitalMiddletown, CT
- The Hospital of Central ConnecticutNew Britain, CT
Industry payments (Open Payments)
- 2025$4,351 · 93 payments from 23 companies
- 2024$1,296 · 50 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $1,607 | 11 |
| Shockwave Medical, Inc | $469.66 | 5 |
| Amgen Inc. | $322.89 | 6 |
| E.R. Squibb & Sons, L.L.C. | $242.00 | 14 |
| Bridgebio Pharma, Inc. | $223.91 | 5 |
What the 2025 payments were for
- Food and Beverage$3,318 · 90 payments
- Travel and Lodging$1,033 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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