Mill Street Therapy, LLC
NPI 1710565759 · Clinical Social Worker · Greenwich, CT
Mill Street Therapy, LLC is a Clinical Social Worker organization in Greenwich, CT (NPI 1710565759).
Provider details
- NPI number
- 1710565759
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Megan Haag-Fisk, Founder/Therapist(646) 299-1395
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
5 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
- 2021-03-31
- Last updated
- 2021-03-31
- Certified
- 2021-03-31
Frequently asked questions
- What is Mill Street Therapy, LLC's NPI number?
- Mill Street Therapy, LLC's National Provider Identifier (NPI) is 1710565759, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mill Street Therapy, LLC?
- Mill Street Therapy, LLC is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mill Street Therapy, LLC located?
- Mill Street Therapy, LLC's practice location on file with NPPES is 254b Mill St # A3, Greenwich, CT 06830-5808.
- What is Mill Street Therapy, LLC's phone number?
- The practice phone number listed in the NPPES registry for Mill Street Therapy, LLC is (646) 299-1395.
- Who is the authorized official for Mill Street Therapy, LLC?
- The authorized official listed on Mill Street Therapy, LLC's NPPES record is Megan Haag-Fisk, Founder/Therapist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mill Street Therapy, LLC's NPI active?
- Yes — Mill Street Therapy, LLC's NPI (1710565759) is active in the NPPES registry as of the last update on 2021-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.