Zeid K. Kayali, M.D.
NPI 1396777538ActiveIndividual· Internal Medicine· Rialto, CA
Internal Medicine (M.D.) with Digestive Associates LLP, practicing in Rialto, California. Their prescriptions cost Medicare Part D more than their services did: $1,838,593 for 2,220 claims, against $68,717 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 14 companies reporting payments in 2025, $50,660 in all, mostly speaking and faculty fees. Lists Arrowhead Regional Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1396777538 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 7, 2006 |
| Last updated in NPPES | May 16, 2023 |
| Certified by provider | May 16, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A71164 | CA |
| Internal Medicine, Gastroenterology | 207RG0100X | A71164 | CA |
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 (CA); Practitioner - Gastroenterology (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 388 |
|---|---|
| Services billed | 773 across 26 procedure codes |
| Paid by Medicare | $68,717 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,220 · 3,275 30-day fills |
|---|---|
| Patients | 438 |
| Total drug cost | $1,838,593 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Digestive Associates LLPN Las Vegas, NV · 18 clinicians
Hospital affiliations
- Arrowhead Regional Medical CenterColton, CA
- Riverside Community HospitalRiverside, CA
- St Bernardine Medical CenterSan Bernardino, CA
Industry payments (Open Payments)
- 2025$50,660 · 132 payments from 14 companies
- 2024$21,214 · 120 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $41,254 | 40 |
| Gilead Sciences, Inc. | $7,782 | 21 |
| Abbvie Inc. | $745.12 | 39 |
| Ipsen Biopharmaceuticals, Inc | $227.75 | 2 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $160.41 | 11 |
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$45,749 · 13 payments
- Food and Beverage$3,891 · 114 payments
- Travel and Lodging$1,020 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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