Sheila Addison, PHD, LMFT
NPI 1255539128 · Marriage & Family Therapist · Seattle, WA
Sheila Addison, PHD, LMFT is a Marriage & Family Therapist provider in Seattle, WA (NPI 1255539128).
Provider details
- NPI number
- 1255539128
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- PHD, LMFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- 61067042 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2007-07-03
- Last updated
- 2026-06-05
- Certified
- 2026-06-05
Frequently asked questions
- What is Sheila Addison's NPI number?
- Sheila Addison's National Provider Identifier (NPI) is 1255539128, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sheila Addison's specialty?
- Sheila Addison is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Sheila Addison located?
- Sheila Addison's practice location on file with NPPES is 3250 Airport Way S Ste 422, Seattle, WA 98134-2173.
- What is Sheila Addison's phone number?
- The practice phone number listed in the NPPES registry for Sheila Addison is (510) 599-5467.
- Is Sheila Addison's NPI active?
- Yes — Sheila Addison's NPI (1255539128) is active in the NPPES registry as of the last update on 2026-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.