Barton H. Ueki, M.D.
NPI 1043219355ActiveIndividual· Internal Medicine, Gastroenterology· Whittier, CA
Internal Medicine, Gastroenterology (M.D.) in Whittier, California, trained at University of California, San Francisco School of Medicine (class of 1966). Their prescriptions cost Medicare Part D more than their services did: $455,362 for 953 claims, against $22,954 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 4 companies reporting payments in 2025, $232.39 in all, mostly food and beverage.
Overview
| NPI | 1043219355 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 19, 2005 |
| Last updated in NPPES | Oct 22, 2019 |
| Reactivated | Mar 23, 2006 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A22592 | 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 | 130 |
|---|---|
| Services billed | 201 across 8 procedure codes |
| Paid by Medicare | $22,954 |
Part D prescriptions in 2024
| Prescriptions (claims) | 953 · 1,639 30-day fills |
|---|---|
| Patients | 352 |
| Total drug cost | $455,362 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 1966 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Prohealth Partners, A Medical GroupLong Beach, CA · 239 clinicians
Industry payments (Open Payments)
- 2025$232.39 · 10 payments from 4 companies
- 2024$421.53 · 20 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $83.29 | 3 |
| Abbvie Inc. | $72.13 | 3 |
| Gilead Sciences, Inc. | $41.37 | 2 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $35.60 | 2 |
What the 2025 payments were for
- Food and Beverage$232.39 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 16 gastroenterologists in Whittier · All gastroenterologists in California