Joanna E. Sampson, M.D.
NPI 1124183074ActiveIndividual· Internal Medicine, Gastroenterology· Bristol, CT
Internal Medicine, Gastroenterology (M.D.) in Bristol, Connecticut, trained at University of Massachusetts Medical School (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $2,115,041 for 2,023 claims, against $118,918 paid for services in 2024. Abbvie Inc. was the largest of 13 companies reporting payments in 2025, $1,354 in all, mostly food and beverage.
Overview
| NPI | 1124183074 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 22, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 044798 | 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); Practitioner - Gastroenterology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 636 |
|---|---|
| Services billed | 891 across 30 procedure codes |
| Paid by Medicare | $118,918 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,023 · 3,459 30-day fills |
|---|---|
| Patients | 874 |
| Total drug cost | $2,115,041 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Trinity Health of New England Provider Network Organization IncHartford, CT · 653 clinicians
- Connecticut Gi PLLCWallingford, CT · 248 clinicians
- Riverbend Medical Group IncAgawam, MA · 226 clinicians
Hospital affiliations
- Baystate Medical CenterSpringfield, MA
- Baystate Noble HospitalWestfield, MA
- Hartford HospitalHartford, CT
- Mercy Medical CtrSpringfield, MA
- St Francis Hospital & Medical CenterHartford, CT
Industry payments (Open Payments)
- 2025$1,354 · 53 payments from 13 companies
- 2024$807.96 · 39 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $362.81 | 15 |
| Phathom Pharmaceuticals, Inc. | $214.05 | 7 |
| Janssen Biotech, Inc. | $173.13 | 8 |
| Takeda Pharmaceuticals U.S.A., Inc. | $164.56 | 7 |
| Boston Scientific Corporation | $105.21 | 1 |
What the 2025 payments were for
- Food and Beverage$1,354 · 53 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Gastroenterology providers in Connecticut →