Bryan Dieffenbach, M.D.
NPI 1326466137ActiveIndividual· Surgery, Vascular Surgery· San Diego, CA
Surgery, Vascular Surgery (M.D.) in San Diego, California, trained at University of California, San Diego School of Medicine (class of 2014). In 2024 Medicare paid $95,511 for 138 patients, and Part D covered 72 of their prescriptions, 86% of them generic. Endologix LLC was the largest of 9 companies reporting payments in 2025, $1,980 in all, mostly food and beverage.
Overview
| NPI | 1326466137 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 31, 2014 |
| Last updated in NPPES | May 14, 2025 |
| Certified by provider | May 14, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | A188066 | 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 - Vascular Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 138 |
|---|---|
| Services billed | 682 across 58 procedure codes |
| Paid by Medicare | $95,511 |
Part D prescriptions in 2024
| Prescriptions (claims) | 72 · 114 30-day fills |
|---|---|
| Patients | 30 |
| Total drug cost | $10,458 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of California, San Diego School of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Vascular Surgery |
| Secondary specialties | General Surgery |
Medical group
- Scripps Health Inpatient Providers Medical Group IncSan Diego, CA · 214 clinicians
Hospital affiliation
- Scripps Mercy HospitalSan Diego, CA
Industry payments (Open Payments)
- 2025$1,980 · 25 payments from 9 companies
- 2024$1,464 · 18 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Endologix LLC | $554.89 | 4 |
| Medtronic, Inc. | $457.33 | 6 |
| Shockwave Medical, Inc | $435.15 | 6 |
| Boston Scientific Corporation | $174.70 | 1 |
| Cook Medical LLC | $166.37 | 3 |
What the 2025 payments were for
- Food and Beverage$1,980 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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