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

Mr. Walter Stephen Ernsdorf, PHD

Individual provider Psychologist · NPI 1801941026

Mr. Walter Stephen Ernsdorf, PHD is a Psychologist in Laguna Niguel, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

30131 Town Center Dr Ste 280
Laguna Niguel, CA 92677
Phone: (949) 495-8853
Fax: (949) 495-7686
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY10594 (CA)

Record details

NPI number1801941026
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJanuary 25, 2007
Last updated in NPPESJuly 8, 2007

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