Michelle M Gienau, Lcsw, LLC
NPI 1568993046 · Clinical Social Worker · Old Lyme, CT
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michelle M Gienau, Lcsw, LLC is a Clinical Social Worker organization in Old Lyme, CT (NPI 1568993046).
Provider details
- NPI number
- 1568993046
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Michelle Gienau, Owner(860) 334-4125
- License
- 9677 (CT)
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
9 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
- 2017-03-25
- Last updated
- 2017-03-25
Frequently asked questions
- What is Michelle M Gienau, Lcsw, LLC's NPI number?
- Michelle M Gienau, Lcsw, LLC's National Provider Identifier (NPI) is 1568993046, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Michelle M Gienau, Lcsw, LLC?
- Michelle M Gienau, Lcsw, LLC is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Michelle M Gienau, Lcsw, LLC located?
- Michelle M Gienau, Lcsw, LLC's practice location on file with NPPES is 19 Halls Rd, Old Lyme, CT 06371-1457.
- What is Michelle M Gienau, Lcsw, LLC's phone number?
- The practice phone number listed in the NPPES registry for Michelle M Gienau, Lcsw, LLC is (860) 434-5398.
- Does Michelle M Gienau, Lcsw, LLC accept Medicare?
- Michelle M Gienau, Lcsw, LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Michelle M Gienau, Lcsw, LLC?
- The authorized official listed on Michelle M Gienau, Lcsw, LLC's NPPES record is Michelle Gienau, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Michelle M Gienau, Lcsw, LLC's NPI active?
- Yes — Michelle M Gienau, Lcsw, LLC's NPI (1568993046) is active in the NPPES registry as of the last update on 2017-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.