Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Brian J Keyashian, MD

Individual provider Surgery Physician · NPI 1962776245

Dr. Brian J Keyashian, MD is a Vascular Surgery in Walnut Creek, California. Qualified in 2010, 16 years ago. Practices with Bass Medical Group, a 292-clinician group and accepts Medicare assignment. Licensed in California and Illinois.

Years since qualifying
16
Licensed in
CA, IL
In the registry since
2012
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2637 Shadelands Dr Ste A
Walnut Creek, CA 94598-2512
Phone: (925) 932-6330
Fax: (925) 932-0139
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Vascular Surgery Physician (primary) Taxonomy 2086S0129X · Licence A147947 (CA)
Surgery Physician Taxonomy 208600000X · Licence 125.058017 (IL)

Record details

NPI number1962776245
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 3, 2012
Last updated in NPPESFebruary 11, 2025
Certification dateFebruary 11, 2025
Mailing address2637 Shadelands Dr, Walnut Creek, CA 94598-2512

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyVASCULAR SURGERY
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Bass Medical Group — 292 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

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