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

Mary Karen Werder

Individual provider Registered Nurse · NPI 1083762595

Mary Karen Werder is a Registered Nurse in Santa Rosa, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
Specialties on file
2

Practice location Address checks out

3333 Chanate Rd
Santa Rosa, CA 95404-1707
Phone: (707) 565-4929
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 22191 (CA)
Registered Nurse Taxonomy 163W00000X · Licence 296429 (CA)

Record details

NPI number1083762595
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJanuary 8, 2007
Last updated in NPPESSeptember 11, 2014

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