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William Chalstrom, PH D
NPI 1538255658 · Psychologist · Port Orchard, WA
William Chalstrom, PH D is a Psychologist provider in Port Orchard, WA (NPI 1538255658).
Provider details
- NPI number
- 1538255658
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH D
- Sex
- Male
- Sole proprietor
- No
- License
- PY00001242 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
2501 Mile Hill Drive
Suite a 105 Port Orchard Clinical Psychology Center
Port Orchard, WA 98366-0776
Phone: (360) 876-0285
Fax: (360) 876-4685
Street-level locationGet directions
Mailing address
Po Box 776
Port Orchard, WA 98366-0776
Registry dates
- Enumerated
- 2006-10-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Chalstrom's NPI number?
- William Chalstrom's National Provider Identifier (NPI) is 1538255658, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Chalstrom's specialty?
- William Chalstrom is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is William Chalstrom located?
- William Chalstrom's practice location on file with NPPES is 2501 Mile Hill Drive, Port Orchard, WA 98366-0776.
- What is William Chalstrom's phone number?
- The practice phone number listed in the NPPES registry for William Chalstrom is (360) 876-0285.
- Is William Chalstrom's NPI active?
- Yes — William Chalstrom's NPI (1538255658) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.