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Collin Stellmacher
NPI 1134410558 · Mental Health Counselor · Boulder, CO
Collin Stellmacher is a Mental Health Counselor provider in Boulder, CO (NPI 1134410558).
Provider details
- NPI number
- 1134410558
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
1333 Iris Ave
Boulder, CO 80304-2226
Phone: (303) 443-8500
Street-level locationGet directions
Mailing address
1333 Iris Ave
Boulder, CO 80304-2226
Registry dates
- Enumerated
- 2011-04-20
- Last updated
- 2011-04-20
Frequently asked questions
- What is Collin Stellmacher's NPI number?
- Collin Stellmacher's National Provider Identifier (NPI) is 1134410558, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Collin Stellmacher's specialty?
- Collin Stellmacher is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Collin Stellmacher located?
- Collin Stellmacher's practice location on file with NPPES is 1333 Iris Ave, Boulder, CO 80304-2226.
- What is Collin Stellmacher's phone number?
- The practice phone number listed in the NPPES registry for Collin Stellmacher is (303) 443-8500.
- Is Collin Stellmacher's NPI active?
- Yes — Collin Stellmacher's NPI (1134410558) is active in the NPPES registry as of the last update on 2011-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.