Erik Gaensler, MD
NPI 1376598474ActiveIndividual· Radiology, Vascular & Interventional Radiology· Walnut Creek, CA
Radiology, Vascular & Interventional Radiology (MD) in Walnut Creek, California, trained at Harvard Medical School (class of 1984). Medicare paid $178,397 for services to 1,793 patients in 2024. Celltrion, Inc. reported $132,540 in payments in 2025, mostly speaking and faculty fees.
Overview
| NPI | 1376598474 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 24, 2006 |
| Last updated in NPPES | Dec 12, 2023 |
| Certified by provider | Dec 12, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Vascular & Interventional Radiology Primary | 2085R0204X | G56651 | CA |
| Radiology, Diagnostic Radiology | 2085R0202X | G56651 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Diagnostic Radiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,793 |
|---|---|
| Services billed | 13,134 across 183 procedure codes |
| Paid by Medicare | $178,397 |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Bay Imaging Consultants Medical Group IncVallejo, CA · 146 clinicians
- Magnetic Imaging Affiliates LLCVienna, VA · 45 clinicians
Hospital affiliations
- Alta Bates Summit Medical CenterOakland, CA
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
- Eden Medical CenterCastro Valley, CA
- Sutter Delta Medical CenterAntioch, CA
- Sutter Solano Medical CenterVallejo, CA
Industry payments (Open Payments)
- 2025$132,540 · 63 payments from 1 company
- 2024$35,000 · 35 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Celltrion, Inc. | $132,540 | 63 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$132,540 · 63 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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