Provider Profile
Listed in the NPI registry as a social worker, Greg Brensilver, LCSW practices in Martinez, CA. NPI 1932413788 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Licence standing is from the California Department of Consumer Affairs public licensee file, read on Sep 26, 2026. The board is the record of authority; check it there before relying on it.
150 MUIR RD
Martinez, CA 94553
Greg Brensilver is a social worker in Martinez, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Greg Brensilver is listed at 150 Muir Rd, Martinez, CA 94553. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (925) 372-2511. Contact the office directly to confirm availability and scheduling.
NPI registry
Greg Brensilver's National Provider Identifier is 1932413788. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Greg Brensilver has 16+ years experience. Registered with an NPI since 2010. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Greg Brensilver. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.