Steven Mattsson
NPI 1073955084 · Addiction (Substance Use Disorder) Counselor · Portland, OR
Steven Mattsson is a Addiction (Substance Use Disorder) Counselor provider in Portland, OR (NPI 1073955084).
Provider details
- NPI number
- 1073955084
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 07-06-35 (OR)
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
12 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
- 2013-07-19
- Last updated
- 2013-07-19
Frequently asked questions
- What is Steven Mattsson's NPI number?
- Steven Mattsson's National Provider Identifier (NPI) is 1073955084, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Mattsson's specialty?
- Steven Mattsson is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Steven Mattsson located?
- Steven Mattsson's practice location on file with NPPES is 232 Nw 6th Ave, Portland, OR 97209-3609.
- What is Steven Mattsson's phone number?
- The practice phone number listed in the NPPES registry for Steven Mattsson is (971) 271-6307.
- Is Steven Mattsson's NPI active?
- Yes — Steven Mattsson's NPI (1073955084) is active in the NPPES registry as of the last update on 2013-07-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.