Colleen O'Connor, MS LAC NCAC II
NPI 1841287117 · Addiction (Substance Use Disorder) Counselor · Billings, MT
Colleen O'Connor, MS LAC NCAC II is a Addiction (Substance Use Disorder) Counselor provider in Billings, MT (NPI 1841287117).
Provider details
- NPI number
- 1841287117
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- MS LAC NCAC II
- Sex
- Female
- Sole proprietor
- Yes
- License
- 857 (MT)
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
20 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
- 2005-10-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Colleen O'Connor's NPI number?
- Colleen O'Connor's National Provider Identifier (NPI) is 1841287117, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colleen O'Connor's specialty?
- Colleen O'Connor is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Colleen O'Connor located?
- Colleen O'Connor's practice location on file with NPPES is 2320 3rd Ave N, Billings, MT 59101-2216.
- What is Colleen O'Connor's phone number?
- The practice phone number listed in the NPPES registry for Colleen O'Connor is (406) 248-5558.
- Is Colleen O'Connor's NPI active?
- Yes — Colleen O'Connor's NPI (1841287117) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.