Carolyn Hahn, M.D.
NPI 1750543864 · Psychiatry Physician · Greenwich, CT
Carolyn Hahn, M.D. is a Psychiatry Physician provider in Greenwich, CT (NPI 1750543864).
Provider details
- NPI number
- 1750543864
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 60253974 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2008-06-30
- Last updated
- 2022-04-07
- Certified
- 2022-04-07
Frequently asked questions
- What is Carolyn Hahn's NPI number?
- Carolyn Hahn's National Provider Identifier (NPI) is 1750543864, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carolyn Hahn's specialty?
- Carolyn Hahn is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Carolyn Hahn located?
- Carolyn Hahn's practice location on file with NPPES is 115 Mason St Ste 1, Greenwich, CT 06830-6630.
- What is Carolyn Hahn's phone number?
- The practice phone number listed in the NPPES registry for Carolyn Hahn is (203) 997-7558.
- Is Carolyn Hahn's NPI active?
- Yes — Carolyn Hahn's NPI (1750543864) is active in the NPPES registry as of the last update on 2022-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.