Irene Jia-Shin Lo, M.D.
NPI 1083956213ActiveIndividual· Surgery· Walnut Creek, CA
Surgery (M.D.) in Walnut Creek, California, licensed in CA, with an NPI issued in March 2013. Mostly services rather than prescriptions: Medicare paid $3,583 for 15 patients in 2024, with only 11 Part D claims. Exelixis Inc. reported $23.02 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1083956213 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 26, 2013 |
| Last updated in NPPES | Jun 10, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | A125005 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 15 |
|---|---|
| Services billed | 27 across 9 procedure codes |
| Paid by Medicare | $3,583 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11 · 11 30-day fills |
|---|---|
| Total drug cost | $75.01 |
Industry payments (Open Payments)
- 2025$23.02 · 1 payment from 1 company
- 2024$622.40 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exelixis Inc. | $23.02 | 1 |
What the 2025 payments were for
- Food and Beverage$23.02 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 46 general surgeons in Walnut Creek · All general surgeons in California