Lynn Hackstaff, LICSW
NPI 1033313184 · Clinical Social Worker · Mountlake Terrace, WA
Lynn Hackstaff, LICSW is a Clinical Social Worker provider in Mountlake Terrace, WA (NPI 1033313184).
Provider details
- NPI number
- 1033313184
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- LCS11925 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-06-13
- Last updated
- 2021-07-30
- Certified
- 2021-07-28
Frequently asked questions
- What is Lynn Hackstaff's NPI number?
- Lynn Hackstaff's National Provider Identifier (NPI) is 1033313184, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lynn Hackstaff's specialty?
- Lynn Hackstaff is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Lynn Hackstaff located?
- Lynn Hackstaff's practice location on file with NPPES is 6505 216th St Sw Ste 100, Mountlake Terrace, WA 98043-2089.
- What is Lynn Hackstaff's phone number?
- The practice phone number listed in the NPPES registry for Lynn Hackstaff is (425) 640-7009.
- Is Lynn Hackstaff's NPI active?
- Yes — Lynn Hackstaff's NPI (1033313184) is active in the NPPES registry as of the last update on 2021-07-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.