Barbara Johnstone, MA, LMHC
NPI 1790903623 · Mental Health Counselor · Seattle, WA
Barbara Johnstone, MA, LMHC is a Mental Health Counselor provider in Seattle, WA (NPI 1790903623).
Provider details
- NPI number
- 1790903623
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- MA, LMHC
- Sex
- Female
- Sole proprietor
- Yes
- License
- LH00006035 (WA)
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
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
- 2007-04-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is Barbara Johnstone's NPI number?
- Barbara Johnstone's National Provider Identifier (NPI) is 1790903623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Johnstone's specialty?
- Barbara Johnstone is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Barbara Johnstone located?
- Barbara Johnstone's practice location on file with NPPES is 753 N 35th St Ste 108, Seattle, WA 98103-8870.
- What is Barbara Johnstone's phone number?
- The practice phone number listed in the NPPES registry for Barbara Johnstone is (206) 547-5046.
- Is Barbara Johnstone's NPI active?
- Yes — Barbara Johnstone's NPI (1790903623) 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.