Nancy Gewirtz, PSYD
NPI 1063436145 · Clinical Psychologist · Old Greenwich, CT
Nancy Gewirtz, PSYD is a Clinical Psychologist provider in Old Greenwich, CT (NPI 1063436145).
Provider details
- NPI number
- 1063436145
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 002001 (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
19 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
- 2006-07-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Nancy Gewirtz's NPI number?
- Nancy Gewirtz's National Provider Identifier (NPI) is 1063436145, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Gewirtz's specialty?
- Nancy Gewirtz is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Nancy Gewirtz located?
- Nancy Gewirtz's practice location on file with NPPES is 24 Old Wagon Rd, Old Greenwich, CT 06870-1126.
- What is Nancy Gewirtz's phone number?
- The practice phone number listed in the NPPES registry for Nancy Gewirtz is (203) 698-7755.
- Is Nancy Gewirtz's NPI active?
- Yes — Nancy Gewirtz's NPI (1063436145) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.