Mardi R. Karin, M.D.
NPI 1275568388ActiveIndividual· Surgery· Palo Alto, CA
Surgery (M.D.) in Palo Alto, California, trained at University of California, Geffen School of Medicine (class of 1985). Mostly services rather than prescriptions: Medicare paid $67,246 for 118 patients in 2024, with only 23 Part D claims. Abbvie Inc. was the largest of 4 companies reporting payments in 2025, $355.85 in all, mostly food and beverage.
Overview
| NPI | 1275568388 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 11, 2006 |
| Last updated in NPPES | Apr 27, 2024 |
| Certified by provider | Apr 27, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | G68578 | CA |
| Specialist | 174400000X | G68578 | 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 | 118 |
|---|---|
| Services billed | 330 across 20 procedure codes |
| Paid by Medicare | $67,246 |
Part D prescriptions in 2024
| Prescriptions (claims) | 23 · 23 30-day fills |
|---|---|
| Patients | 20 |
| Total drug cost | $64.67 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | General Surgery |
| Secondary specialties | Surgical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$355.85 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $146.56 | 1 |
| Insightec,inc | $143.24 | 1 |
| Urgo Medical North America, LLC | $37.24 | 1 |
| Solventum Corporation | $28.81 | 1 |
What the 2025 payments were for
- Food and Beverage$355.85 · 4 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