Individual provider · Type 1 NPI

Marisa Sommerhalder, AMFT

Mental Health Counselor · Walnut Creek, CA

NPI number 1194448274 Active

Practice location

35 Quail Ct Ste 102
Walnut Creek, CA 94596-5590

Call (925) 899-8857 Map

Mailing address

783 Diablo Rd
Danville, CA 94526-2731

Specialties and licenses

TaxonomyCodeLicense
Mental Health Counselor Primary 101YM0800XNone listed

Mental Health Counselor: Definition to come...

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About NPI 1194448274

Marisa Sommerhalder, AMFT's National Provider Identifier is 1194448274, issued on Sep 22, 2022. The primary taxonomy on file is Mental Health Counselor (101YM0800X), and the practice location is in Walnut Creek, CA. The record was last updated on Jan 27, 2026.