Doug Gruber, LADC
NPI 1992076780 · Addiction (Substance Use Disorder) Counselor · Waterbury, CT
Doug Gruber, LADC is a Addiction (Substance Use Disorder) Counselor provider in Waterbury, CT (NPI 1992076780).
Provider details
- NPI number
- 1992076780
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- LADC
- Sex
- Male
- Sole proprietor
- No
- License
- 000395 (CT)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
14 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
- 2012-01-25
- Last updated
- 2012-01-25
Frequently asked questions
- What is Doug Gruber's NPI number?
- Doug Gruber's National Provider Identifier (NPI) is 1992076780, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Doug Gruber's specialty?
- Doug Gruber is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Doug Gruber located?
- Doug Gruber's practice location on file with NPPES is 466 W Main St, Waterbury, CT 06702-1123.
- What is Doug Gruber's phone number?
- The practice phone number listed in the NPPES registry for Doug Gruber is (203) 591-8010.
- Is Doug Gruber's NPI active?
- Yes — Doug Gruber's NPI (1992076780) is active in the NPPES registry as of the last update on 2012-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.