Gregory Mattus, LMHC
NPI 1528170008 · Mental Health Counselor · Port Angeles, WA
Gregory Mattus, LMHC is a Mental Health Counselor provider in Port Angeles, WA (NPI 1528170008).
Provider details
- NPI number
- 1528170008
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMHC
- Sex
- Male
- Sole proprietor
- No
- License
- LH60596191 (WA)
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
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
- 2006-08-31
- Last updated
- 2015-11-04
Frequently asked questions
- What is Gregory Mattus's NPI number?
- Gregory Mattus's National Provider Identifier (NPI) is 1528170008, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Mattus's specialty?
- Gregory Mattus is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Gregory Mattus located?
- Gregory Mattus's practice location on file with NPPES is 118 E 8th St, Port Angeles, WA 98362-6129.
- What is Gregory Mattus's phone number?
- The practice phone number listed in the NPPES registry for Gregory Mattus is (360) 457-0431.
- Is Gregory Mattus's NPI active?
- Yes — Gregory Mattus's NPI (1528170008) is active in the NPPES registry as of the last update on 2015-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.