Darlene S. Negbenebor, M.D.
NPI 1891728853ActiveIndividual· Specialist· Stamford, CT
Specialist (M.D.) in Stamford, Connecticut, trained at State University of Ny Upstate Medical University (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $821,278 for 1,716 claims, against $51,321 paid for services in 2024. Abbvie Inc. was the largest of 20 companies reporting payments in 2025, $5,553 in all, mostly food and beverage.
Overview
| NPI | 1891728853 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 9, 2006 |
| Last updated in NPPES | Jul 11, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 043139 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 294 |
|---|---|
| Services billed | 565 across 14 procedure codes |
| Paid by Medicare | $51,321 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,716 · 2,945 30-day fills |
|---|---|
| Patients | 409 |
| Total drug cost | $821,278 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | State University of Ny Upstate Medical University |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Stamford Gastroenterology IncStamford, CT · 4 clinicians
Hospital affiliations
- Greenwich Hospital Association -Greenwich, CT
- Stamford HospitalStamford, CT
Industry payments (Open Payments)
- 2025$5,553 · 233 payments from 20 companies
- 2024$4,577 · 197 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $1,001 | 40 |
| Ipsen Biopharmaceuticals, Inc | $539.32 | 16 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $482.47 | 32 |
| Qol Medical, LLC | $452.54 | 12 |
| Janssen Biotech, Inc. | $418.83 | 15 |
What the 2025 payments were for
- Food and Beverage$5,553 · 233 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Specialist providers in Stamford
- 1861675621
- 1851417299
- 1356343883
- 1477106482
- 1942541099
- 1497727580
- 1699954164
- 1326100553
- 1720283492
- 1336144120
- 1295920908
- 1114112737