Penelope Livingston, LMFT
NPI 1144342874 · Marriage & Family Therapist · Mercer Island, WA
Penelope Livingston, LMFT is a Marriage & Family Therapist provider in Mercer Island, WA (NPI 1144342874).
Provider details
- NPI number
- 1144342874
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
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
19 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2007-04-04
- Last updated
- 2007-07-08
Frequently asked questions
- What is Penelope Livingston's NPI number?
- Penelope Livingston's National Provider Identifier (NPI) is 1144342874, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Penelope Livingston's specialty?
- Penelope Livingston is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Penelope Livingston located?
- Penelope Livingston's practice location on file with NPPES is 5228 W Mercer Way, Mercer Island, WA 98040-4632.
- What is Penelope Livingston's phone number?
- The practice phone number listed in the NPPES registry for Penelope Livingston is (206) 818-5249.
- Is Penelope Livingston's NPI active?
- Yes — Penelope Livingston's NPI (1144342874) 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.