Jonathan Leong, MA, LMHC
NPI 1891300562 · Mental Health Counselor · Snohomish, WA
Jonathan Leong, MA, LMHC is a Mental Health Counselor provider in Snohomish, WA (NPI 1891300562).
Provider details
- NPI number
- 1891300562
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- MA, LMHC
- Sex
- Male
- Sole proprietor
- Yes
- License
- MHC1102 (HI)
Specialties & taxonomies
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
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 2830 228th Ave SeSammamish, WA 98075-9300Phone: (425) 780-5294Fax: (425) 677-7753
Registry dates
- Enumerated
- 2020-09-10
- Last updated
- 2025-03-10
- Certified
- 2025-03-10
Frequently asked questions
- What is Jonathan Leong's NPI number?
- Jonathan Leong's National Provider Identifier (NPI) is 1891300562, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Leong's specialty?
- Jonathan Leong is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Jonathan Leong located?
- Jonathan Leong's practice location on file with NPPES is 2500 Lake Ave, Snohomish, WA 98290-1026.
- What is Jonathan Leong's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Leong is (425) 780-5294.
- Is Jonathan Leong's NPI active?
- Yes — Jonathan Leong's NPI (1891300562) is active in the NPPES registry as of the last update on 2025-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.