Jason Stephen Yip, M.D.
NPI 1487862066ActiveIndividual· Internal Medicine, Gastroenterology· Anaheim, CA
Internal Medicine, Gastroenterology (M.D.) in Anaheim, California, trained at University of Washington School of Medicine (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $621,735 for 4,150 claims, against $108,417 paid for services in 2024. Gilead Sciences, Inc. was the largest of 6 companies reporting payments in 2025, $280.84 in all, mostly food and beverage.
Overview
| NPI | 1487862066 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 18, 2007 |
| Last updated in NPPES | Aug 6, 2026 |
| Certified by provider | Aug 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A120176 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 546 |
|---|---|
| Services billed | 1,161 across 28 procedure codes |
| Paid by Medicare | $108,417 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,150 · 5,295 30-day fills |
|---|---|
| Patients | 1,423 |
| Total drug cost | $621,735 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Washington School of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Oc GastrocareAnaheim, CA · 11 clinicians
Hospital affiliation
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$280.84 · 11 payments from 6 companies
- 2024$379.83 · 13 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $94.07 | 4 |
| Genzyme Corporation | $61.97 | 2 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $45.14 | 2 |
| Boston Scientific Corporation | $38.64 | 1 |
| Abbvie Inc. | $23.33 | 1 |
What the 2025 payments were for
- Food and Beverage$280.84 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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