Alaa Abousaif, MD
NPI 1235124108ActiveIndividual· Internal Medicine, Gastroenterology· Orange, CA
Internal Medicine, Gastroenterology (MD) with Genesis Healthcare Partners PC, practicing in Orange, California. Their prescriptions cost Medicare Part D more than their services did: $547,600 for 2,012 claims, against $163,629 paid for services in 2024. Phathom Pharmaceuticals, Inc. was the largest of 25 companies reporting payments in 2025, $13,202 in all, mostly speaking and faculty fees. Lists Providence St. Joseph Hospital as a hospital affiliation.
Overview
| NPI | 1235124108 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 15, 2005 |
| Last updated in NPPES | Feb 23, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | C52710 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 517 |
|---|---|
| Services billed | 2,124 across 41 procedure codes |
| Paid by Medicare | $163,629 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,012 · 3,643 30-day fills |
|---|---|
| Patients | 683 |
| Total drug cost | $547,600 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Genesis Healthcare Partners PCSan Francisco, CA · 228 clinicians
Hospital affiliation
- Providence St. Joseph HospitalOrange, CA
Industry payments (Open Payments)
- 2025$13,202 · 251 payments from 25 companies
- 2024$36,156 · 247 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $7,761 | 16 |
| Abbvie Inc. | $904.04 | 51 |
| Janssen Biotech, Inc. | $744.69 | 30 |
| Madrigal Pharmaceuticals | $620.43 | 21 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $563.50 | 24 |
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$7,200 · 3 payments
- Food and Beverage$6,002 · 248 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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