Marshall Harmon, L.M.H.C.
NPI 1235137043 · Mental Health Counselor · Renton, WA
Marshall Harmon, L.M.H.C. is a Mental Health Counselor provider in Renton, WA (NPI 1235137043).
Provider details
- NPI number
- 1235137043
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- L.M.H.C.
- Sex
- Male
- Sole proprietor
- Yes
- License
- LH0004632 (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
20 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
- 2005-07-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marshall Harmon's NPI number?
- Marshall Harmon's National Provider Identifier (NPI) is 1235137043, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Harmon's specialty?
- Marshall Harmon is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Marshall Harmon located?
- Marshall Harmon's practice location on file with NPPES is 1500 Benson Rd S, Renton, WA 98055-4455.
- What is Marshall Harmon's phone number?
- The practice phone number listed in the NPPES registry for Marshall Harmon is (425) 277-5616.
- Is Marshall Harmon's NPI active?
- Yes — Marshall Harmon's NPI (1235137043) 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.