Irene Leonor Wapnir, M.D.
NPI 1104951508ActiveIndividual· Surgery· Palo Alto, CA
Surgery (M.D.) with Stanford Health Care, practicing in Palo Alto, California. Mostly services rather than prescriptions: Medicare paid $51,118 for 93 patients in 2024, with only 12 Part D claims. Axogen was the largest of 3 companies reporting payments in 2025, $1,570 in all, mostly travel and lodging. Lists Stanford Health Care as a hospital affiliation.
Overview
| NPI | 1104951508 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Feb 23, 2007 |
| Last updated in NPPES | Apr 29, 2024 |
| Certified by provider | Apr 29, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | C50558 | CA |
| Surgery, Surgical Oncology | 2086X0206X | C50558 | 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 - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 93 |
|---|---|
| Services billed | 201 across 22 procedure codes |
| Paid by Medicare | $51,118 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12 · 26 30-day fills |
|---|---|
| Total drug cost | $342.38 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 1980 |
|---|---|
| Medicare specialty | General Surgery |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$1,570 · 13 payments from 3 companies
- 2024$254.05 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Axogen | $1,282 | 11 |
| Abbvie Inc. | $146.56 | 1 |
| Gilead Sciences, Inc. | $141.40 | 1 |
What the 2025 payments were for
- Travel and Lodging$845.82 · 5 payments
- Food and Beverage$724.48 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 63 general surgeons in Palo Alto · All general surgeons in California