Carol Derby, L.A.C.
NPI 1902038201 · Addiction (Substance Use Disorder) Counselor · Helena, MT
Carol Derby, L.A.C. is a Addiction (Substance Use Disorder) Counselor provider in Helena, MT (NPI 1902038201).
Provider details
- NPI number
- 1902038201
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- L.A.C.
- Sex
- Female
- Sole proprietor
- No
- License
- 1105 (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
16 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
- 2009-08-20
- Last updated
- 2009-08-20
Frequently asked questions
- What is Carol Derby's NPI number?
- Carol Derby's National Provider Identifier (NPI) is 1902038201, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carol Derby's specialty?
- Carol Derby is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Carol Derby located?
- Carol Derby's practice location on file with NPPES is 111 N Last Chance Gulch, Helena, MT 59601-4125.
- What is Carol Derby's phone number?
- The practice phone number listed in the NPPES registry for Carol Derby is (406) 447-3265.
- Is Carol Derby's NPI active?
- Yes — Carol Derby's NPI (1902038201) is active in the NPPES registry as of the last update on 2009-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.