Catherine Mezzacappa, MD
NPI 1952891327ActiveIndividual· Internal Medicine, Gastroenterology· West Haven, CT
Internal Medicine, Gastroenterology (MD) in West Haven, Connecticut, licensed in CT, with an NPI issued in May 2018. Part D covered 32 prescriptions written in 2024, 78% of them generic.
Overview
| NPI | 1952891327 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 11, 2018 |
| Last updated in NPPES | Jan 22, 2026 |
| Certified by provider | Jan 22, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 79298 | 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 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 - Gastroenterology (CT) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 32 · 44 30-day fills |
|---|---|
| Total drug cost | $6,905 |
| Generic share | 78% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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