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Mary Galaszewski-Slotkin, PH D
NPI 1154316552 · Psychologist · Federal Way, WA
Mary Galaszewski-Slotkin, PH D is a Psychologist provider in Federal Way, WA (NPI 1154316552).
Provider details
- NPI number
- 1154316552
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH D
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1953 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 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
33600 6th Ave S
Suite 212
Federal Way, WA 98003-6743
Phone: (253) 569-7698
Fax: (253) 661-9190
Street-level locationGet directions
Mailing address
33600 6th Avenue South
Federal Way, WA 98003-2934
Registry dates
- Enumerated
- 2005-09-13
- Last updated
- 2010-08-16
Frequently asked questions
- What is Mary Galaszewski-Slotkin's NPI number?
- Mary Galaszewski-Slotkin's National Provider Identifier (NPI) is 1154316552, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Galaszewski-Slotkin's specialty?
- Mary Galaszewski-Slotkin is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Mary Galaszewski-Slotkin located?
- Mary Galaszewski-Slotkin's practice location on file with NPPES is 33600 6th Ave S, Federal Way, WA 98003-6743.
- What is Mary Galaszewski-Slotkin's phone number?
- The practice phone number listed in the NPPES registry for Mary Galaszewski-Slotkin is (253) 569-7698.
- Is Mary Galaszewski-Slotkin's NPI active?
- Yes — Mary Galaszewski-Slotkin's NPI (1154316552) is active in the NPPES registry as of the last update on 2010-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.