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

Dr. William John Chalstrom, PHD

Individual provider Psychologist · NPI 1538255658

Dr. William John Chalstrom, PHD is a Psychologist in Port Orchard, Washington. Licensed in Washington. Registered with an NPI since 2006.

Licensed in
WA
In the registry since
2006
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

2501 Mile Hill Dr Ste A 105 Port Orchard Clinical Psychology Center
Port Orchard, WA 98366-0776
Phone: (360) 876-0285
Fax: (360) 876-4685
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PY00001242 (WA)

Record details

NPI number1538255658
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedOctober 5, 2006
Last updated in NPPESJuly 8, 2007
Mailing addressPo Box 776, Port Orchard, WA 98366-0776

Other providers in Port Orchard