IndividualActive
Grechen Holthausen
NPI 1174972780 · Clinical Social Worker · Guilford, CT
Grechen Holthausen is a Clinical Social Worker provider in Guilford, CT (NPI 1174972780).
Provider details
- NPI number
- 1174972780
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 2986 (CT)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(72/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
36 Graves Ave
Guilford, CT 06437-2626
Phone: (203) 453-8047
Fax: (203) 453-8044
Street-level locationGet directions
Mailing address
36 Graves Ave
Guilford, CT 06437-2626
Registry dates
- Enumerated
- 2016-06-06
- Last updated
- 2016-06-06
Frequently asked questions
- What is Grechen Holthausen's NPI number?
- Grechen Holthausen's National Provider Identifier (NPI) is 1174972780, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grechen Holthausen's specialty?
- Grechen Holthausen is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Grechen Holthausen located?
- Grechen Holthausen's practice location on file with NPPES is 36 Graves Ave, Guilford, CT 06437-2626.
- What is Grechen Holthausen's phone number?
- The practice phone number listed in the NPPES registry for Grechen Holthausen is (203) 453-8047.
- Is Grechen Holthausen's NPI active?
- Yes — Grechen Holthausen's NPI (1174972780) is active in the NPPES registry as of the last update on 2016-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.