Lisa Rossi, M.D.
NPI 1275653933ActiveIndividual· Internal Medicine, Gastroenterology· Hartford, CT
Internal Medicine, Gastroenterology (M.D.) in Hartford, Connecticut, trained at University of Connecticut School of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $966,824 for 2,107 claims, against $34,166 paid for services in 2024. Phathom Pharmaceuticals, Inc. was the largest of 17 companies reporting payments in 2025, $11,042 in all, mostly speaking and faculty fees.
Overview
| NPI | 1275653933 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 29, 2007 |
| Last updated in NPPES | Sep 15, 2023 |
| Certified by provider | Sep 15, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 045192 | 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 | 181 |
|---|---|
| Services billed | 399 across 23 procedure codes |
| Paid by Medicare | $34,166 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,107 · 4,612 30-day fills |
|---|---|
| Patients | 577 |
| Total drug cost | $966,824 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | University of Connecticut School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Gastroenterology |
Medical groups
- Connecticut Gi PLLCWallingford, CT · 248 clinicians
- Connecticut Gastroenterology Assoc PCHartford, CT · 8 clinicians
Hospital affiliations
- Bristol HospitalBristol, CT
- Manchester Memorial HospitalManchester, CT
- St Francis Hospital & Medical CenterHartford, CT
Industry payments (Open Payments)
- 2025$11,042 · 131 payments from 17 companies
- 2024$17,044 · 128 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $8,307 | 22 |
| Abbvie Inc. | $793.35 | 34 |
| Janssen Biotech, Inc. | $530.17 | 21 |
| Lilly USA, LLC | $265.86 | 9 |
| Ardelyx, Inc. | $170.04 | 10 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$7,310 · 4 payments
- Food and Beverage$3,038 · 124 payments
- Travel and Lodging$600.78 · 1 payment
- Education$93.24 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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