Brian J. Keyashian, M.D.
NPI 1962776245ActiveIndividual· Surgery, Vascular Surgery· Walnut Creek, CA
Surgery, Vascular Surgery (M.D.) with Bass Medical Group, practicing in Walnut Creek, California. In 2024 Medicare paid $542,357 for 555 patients, and Part D covered 246 of their prescriptions, 82% of them generic. Medtronic, Inc. was the largest of 4 companies reporting payments in 2025, $832.51 in all, mostly food and beverage. Lists Alta Bates Summit Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1962776245 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 3, 2012 |
| Last updated in NPPES | Feb 11, 2025 |
| Certified by provider | Feb 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | A147947 | CA |
| Surgery | 208600000X | 125.058017 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 555 |
|---|---|
| Services billed | 3,767 across 94 procedure codes |
| Paid by Medicare | $542,357 |
Part D prescriptions in 2024
| Prescriptions (claims) | 246 · 513 30-day fills |
|---|---|
| Patients | 81 |
| Total drug cost | $54,077 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Vascular Surgery |
Medical group
- Bass Medical GroupChico, CA · 291 clinicians
Hospital affiliations
- Alta Bates Summit Medical CenterOakland, CA
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
- Contra Costa Regional Medical CenterMartinez, CA
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Industry payments (Open Payments)
- 2025$832.51 · 19 payments from 4 companies
- 2024$850.18 · 16 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $412.87 | 7 |
| Philips North America LLC | $349.32 | 10 |
| Boston Scientific Corporation | $50.72 | 1 |
| Tactile Systems Technology Inc | $19.60 | 1 |
What the 2025 payments were for
- Food and Beverage$832.51 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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