Lawrence Kogan, MD
NPI 1659931368ActiveIndividual· Internal Medicine, Gastroenterology· Meriden, CT
Internal Medicine, Gastroenterology (MD) with Connecticut Gi PLLC, practicing in Meriden, Connecticut. Part D covered 96 prescriptions written in 2024, 94% of them generic. Abbvie Inc. was the largest of 12 companies reporting payments in 2025, $555.20 in all, mostly food and beverage. Lists Hartford Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1659931368 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 14, 2019 |
| Last updated in NPPES | Oct 24, 2025 |
| Certified by provider | Oct 24, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 81085 | 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 - Gastroenterology (CT) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 96 · 199 30-day fills |
|---|---|
| Patients | 37 |
| Total drug cost | $8,215 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| 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$555.20 · 28 payments from 12 companies
- 2024$125.35 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $167.59 | 11 |
| Ardelyx, Inc. | $77.15 | 3 |
| Janssen Biotech, Inc. | $62.87 | 3 |
| Madrigal Pharmaceuticals | $55.86 | 2 |
| Aimmune Therapeutics, Inc. | $41.42 | 2 |
What the 2025 payments were for
- Food and Beverage$555.20 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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