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

Marisa Sommerhalder, AMFT

Individual provider Mental Health Counselor · NPI 1194448274

Marisa Sommerhalder, AMFT is a Mental Health Counselor in Walnut Creek, California. Practices as a sole proprietor. Registered with an NPI since 2022.

In the registry since
2022

Practice location Address checks out

35 Quail Ct Ste 102
Walnut Creek, CA 94596-5590
Phone: (925) 899-8857
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1194448274
Entity typeIndividual (Type 1)
GenderFemale
Credentials AMFT
Sole proprietorYes
NPI enumeratedSeptember 22, 2022
Last updated in NPPESJanuary 27, 2026
Certification dateJanuary 27, 2026

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