James Jerome Zimmerman, M.D.
NPI 1093729121ActiveIndividual· Surgery, Vascular Surgery· Redwood City, CA
Surgery, Vascular Surgery (M.D.) in Redwood City, California, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1975). 548 Medicare patients in 2024, $305,001 paid; nearly all of their 206 Part D prescriptions were generic (99%). Medtronic, Inc. was the largest of 7 companies reporting payments in 2025, $1,853 in all, mostly food and beverage.
Overview
| NPI | 1093729121 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 27, 2006 |
| Last updated in NPPES | May 28, 2020 |
| Certified by provider | May 28, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | G39110 | CA |
| Radiology, Diagnostic Radiology | 2085R0202X | G39110 | CA |
| Radiology, Vascular & Interventional Radiology | 2085R0204X | G39110 | CA |
| Orthopaedic Surgery | 207X00000X | G39110 | 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 - Vascular Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 548 |
|---|---|
| Services billed | 1,920 across 137 procedure codes |
| Paid by Medicare | $305,001 |
Part D prescriptions in 2024
| Prescriptions (claims) | 206 · 315 30-day fills |
|---|---|
| Patients | 119 |
| Total drug cost | $3,447 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 1975 |
| Medicare specialty | Vascular Surgery |
| Secondary specialties | Interventional Radiology |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliations
- Peninsula Medical CenterBurlingame, CA
- Sequoia HospitalRedwood City, CA
Industry payments (Open Payments)
- 2025$1,853 · 18 payments from 7 companies
- 2024$1,674 · 14 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $575.17 | 5 |
| W. L. Gore & Associates, Inc. | $419.54 | 4 |
| Philips North America LLC | $285.30 | 4 |
| Shockwave Medical, Inc | $213.93 | 1 |
| Lemaitre Vascular, Inc. | $180.05 | 2 |
What the 2025 payments were for
- Food and Beverage$1,853 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other vascular surgeons in Redwood City
- 1194907162
- 1205628401