Elizabeth Decker, DO
NPI 1811257934ActiveIndividual· Internal Medicine, Gastroenterology· Warwick, RI
Internal Medicine, Gastroenterology (DO) in Warwick, Rhode Island, trained at University of New England, College of Osteo Medicine (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $237,810 for 641 claims, against $36,127 paid for services in 2024. Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $1,848 in all, mostly food and beverage.
Overview
| NPI | 1811257934 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | May 23, 2012 |
| Last updated in NPPES | Feb 20, 2023 |
| Certified by provider | Feb 20, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | DO00930 | RI |
| Internal Medicine | 207R00000X | DO00930 | RI |
| Internal Medicine | 207R00000X | UO2738 | FL |
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 (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 210 |
|---|---|
| Services billed | 381 across 34 procedure codes |
| Paid by Medicare | $36,127 |
Part D prescriptions in 2024
| Prescriptions (claims) | 641 · 1,073 30-day fills |
|---|---|
| Patients | 142 |
| Total drug cost | $237,810 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of New England, College of Osteo Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Gastroenterology |
Medical groups
- Affinity Physicians LLC.Warwick, RI · 730 clinicians
- University Gastroenterology, LLCProvidence, RI · 102 clinicians
Hospital affiliation
- Kent County Memorial HospitalWarwick, RI
Industry payments (Open Payments)
- 2025$1,848 · 85 payments from 16 companies
- 2024$1,302 · 69 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $471.00 | 29 |
| Phathom Pharmaceuticals, Inc. | $298.63 | 15 |
| Takeda Pharmaceuticals U.S.A., Inc. | $207.41 | 7 |
| Qol Medical, LLC | $160.54 | 5 |
| Janssen Biotech, Inc. | $109.89 | 4 |
What the 2025 payments were for
- Food and Beverage$1,848 · 85 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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