Osama Siddique, M.D.
NPI 1558746230ActiveIndividual· Internal Medicine, Gastroenterology· Rocky Hill, CT
Internal Medicine, Gastroenterology (M.D.) with Connecticut Gi PLLC, practicing in Rocky Hill, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $1,051,864 for 1,255 claims, against $55,422 paid for services in 2024. Olympus Corporation of the Americas was the largest of 7 companies reporting payments in 2025, $1,426 in all, mostly travel and lodging. Lists Hartford Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1558746230 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 23, 2015 |
| Last updated in NPPES | Jul 27, 2021 |
| Certified by provider | Jul 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 67465 | 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 - Gastroenterology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 258 |
|---|---|
| Services billed | 513 across 58 procedure codes |
| Paid by Medicare | $55,422 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,255 · 2,343 30-day fills |
|---|---|
| Patients | 382 |
| Total drug cost | $1,051,864 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Connecticut Gi PLLCWallingford, CT · 248 clinicians
Hospital affiliations
- Hartford HospitalHartford, CT
- Midstate Medical CenterMeriden, CT
- The Hospital of Central ConnecticutNew Britain, CT
Industry payments (Open Payments)
- 2025$1,426 · 15 payments from 7 companies
- 2024$2,036 · 17 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Olympus Corporation of the Americas | $1,124 | 8 |
| Boston Scientific Corporation | $102.54 | 1 |
| Medtronic, Inc. | $74.26 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $54.44 | 2 |
| Amgen Inc. | $25.30 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,124 · 8 payments
- Food and Beverage$302.12 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records