John Gross, CADC I
NPI 1588094965 · Addiction (Substance Use Disorder) Counselor · Portland, OR
John Gross, CADC I is a Addiction (Substance Use Disorder) Counselor provider in Portland, OR (NPI 1588094965).
Provider details
- NPI number
- 1588094965
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CADC I
- Sex
- Male
- Sole proprietor
- Yes
- License
- 03-03-17 (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
- 2013-11-20
- Last updated
- 2013-11-20
Frequently asked questions
- What is John Gross's NPI number?
- John Gross's National Provider Identifier (NPI) is 1588094965, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Gross's specialty?
- John Gross is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is John Gross located?
- John Gross's practice location on file with NPPES is Tsnw 948 Ne 102nd St., Portland, OR 97220.
- What is John Gross's phone number?
- The practice phone number listed in the NPPES registry for John Gross is (503) 257-0381.
- Is John Gross's NPI active?
- Yes — John Gross's NPI (1588094965) is active in the NPPES registry as of the last update on 2013-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.