Barham K. Abu Dayyeh, MD
NPI 1902927353ActiveIndividual· Internal Medicine, Gastroenterology· West Hollywood, CA
Internal Medicine, Gastroenterology (MD) in West Hollywood, California, trained at Warren Alpert Medical School of Brown University (class of 2005). Mostly services rather than prescriptions: Medicare paid $32,462 for 110 patients in 2024, with only 19 Part D claims. Olympus Corporation was the largest of 7 companies reporting payments in 2025, $49,258 in all, mostly consulting fees.
Overview
| NPI | 1902927353 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 3, 2007 |
| Last updated in NPPES | Nov 21, 2024 |
| Certified by provider | Nov 21, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | C198369 | CA |
| Internal Medicine | 207R00000X | 233814 | MA |
| Internal Medicine, Gastroenterology | 207RG0100X | 105592 | MN |
| Internal Medicine, Gastroenterology | 207RG0100X | 54327 | MN |
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 (CA); Practitioner - Gastroenterology (FL); Practitioner - Gastroenterology (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 110 |
|---|---|
| Services billed | 282 across 52 procedure codes |
| Paid by Medicare | $32,462 |
Part D prescriptions in 2024
| Prescriptions (claims) | 19 · 19 30-day fills |
|---|---|
| Patients | 17 |
| Total drug cost | $199.28 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Warren Alpert Medical School of Brown University |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Cedars-Sinai Medical CenterWest Hollywood, CA · 799 clinicians
Hospital affiliation
- Cedars-Sinai Medical CenterLos Angeles, CA
Industry payments (Open Payments)
- 2025$49,258 · 46 payments from 7 companies
- 2024$45,610 · 38 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Olympus Corporation | $21,488 | 16 |
| Boston Scientific Corporation | $15,703 | 17 |
| Olympus America Inc. | $7,960 | 2 |
| Olympus Corporation of the Americas | $2,878 | 2 |
| Intuitive Surgical, Inc. | $826.26 | 7 |
What the 2025 payments were for
- Consulting Fee$23,313 · 7 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$13,750 · 3 payments
- Travel and Lodging$10,792 · 14 payments
- Food and Beverage$1,404 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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