John Shannon
NPI 1154709574 · Addiction (Substance Use Disorder) Counselor · Boulder, CO
John Shannon is a Addiction (Substance Use Disorder) Counselor provider in Boulder, CO (NPI 1154709574).
Provider details
- NPI number
- 1154709574
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
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
11 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2015-05-18
- Last updated
- 2015-05-18
Frequently asked questions
- What is John Shannon's NPI number?
- John Shannon's National Provider Identifier (NPI) is 1154709574, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Shannon's specialty?
- John Shannon is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is John Shannon located?
- John Shannon's practice location on file with NPPES is 1333 Iris Ave, Boulder, CO 80304-2226.
- What is John Shannon's phone number?
- The practice phone number listed in the NPPES registry for John Shannon is (303) 443-8500.
- Is John Shannon's NPI active?
- Yes — John Shannon's NPI (1154709574) is active in the NPPES registry as of the last update on 2015-05-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.