Derek Libby, CADC, MHRTC
NPI 1912685975 · Addiction (Substance Use Disorder) Counselor · Chelsea, ME
Derek Libby, CADC, MHRTC is a Addiction (Substance Use Disorder) Counselor provider in Chelsea, ME (NPI 1912685975).
Provider details
- NPI number
- 1912685975
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CADC, MHRTC
- Sex
- Male
- Sole proprietor
- Yes
- License
- CAC8536 (ME)
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
2 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
- 2023-07-10
- Last updated
- 2023-07-10
- Certified
- 2023-07-10
Frequently asked questions
- What is Derek Libby's NPI number?
- Derek Libby's National Provider Identifier (NPI) is 1912685975, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Libby's specialty?
- Derek Libby is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Derek Libby located?
- Derek Libby's practice location on file with NPPES is 21 Partridge Pl, Chelsea, ME 04330-1296.
- What is Derek Libby's phone number?
- The practice phone number listed in the NPPES registry for Derek Libby is (603) 204-4919.
- Is Derek Libby's NPI active?
- Yes — Derek Libby's NPI (1912685975) is active in the NPPES registry as of the last update on 2023-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.