Diana Matthiessen, ASW

NPI 1932986916 · on the registry since 2023

Practice

Address: 3205 Ocean Park Blvd Ste 250
Santa Monica, CA 90405
Phone: (310) 488-5850
Organisation at this address: Pathways Speech And Language
Pathways Speech & Language Pathology, Inc
Inferred from a shared address, not stated in the registry.
Clinicians at this address: 15

Registry record

Primary taxonomy: 1041C0700X
1041C0700X
Licence states on file: CA
From the registry's licence fields, which are often incomplete.
Sex: Female
Record last updated: 2025-10-14

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in California