Ru Min Lee, M.D.
NPI 1225413719ActiveIndividual· Internal Medicine, Gastroenterology· Livermore, CA
Internal Medicine, Gastroenterology (M.D.) with University Healthcare Alliance, practicing in Livermore, California. Mostly services rather than prescriptions: Medicare paid $15,883 for 89 patients in 2024, with only 23 Part D claims. Olympus Medical Systems Corporation was the largest of 4 companies reporting payments in 2025, $3,582 in all, mostly consulting fees. Lists Stanford Health Care Tri-Valley as a hospital affiliation.
Overview
| NPI | 1225413719 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 25, 2015 |
| Last updated in NPPES | May 22, 2023 |
| Certified by provider | May 22, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A172348 | CA |
| Internal Medicine | 207R00000X | A172348 | 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 | 89 |
|---|---|
| Services billed | 166 across 19 procedure codes |
| Paid by Medicare | $15,883 |
Part D prescriptions in 2024
| Prescriptions (claims) | 23 · 28 30-day fills |
|---|---|
| Patients | 15 |
| Total drug cost | $695.55 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- University Healthcare AlliancePleasanton, CA · 327 clinicians
Hospital affiliation
- Stanford Health Care Tri-ValleyPleasanton, CA
Industry payments (Open Payments)
- 2025$3,582 · 4 payments from 4 companies
- 2024$125.39 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Olympus Medical Systems Corporation | $3,206 | 1 |
| Mallinckrodt Hospital Products Inc. | $145.08 | 1 |
| Aimmune Therapeutics, Inc. | $124.99 | 1 |
| Janssen Biotech, Inc. | $105.98 | 1 |
What the 2025 payments were for
- Consulting Fee$3,206 · 1 payment
- Food and Beverage$376.05 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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