Dianne Duffey, M.D.
NPI 1275592834 · Psychiatry Physician · Bridgeport, CT
Dianne Duffey, M.D. is a Psychiatry Physician provider in Bridgeport, CT (NPI 1275592834).
Provider details
- NPI number
- 1275592834
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 045479 (CT)
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
20 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
- 2006-03-22
- Last updated
- 2017-11-22
Frequently asked questions
- What is Dianne Duffey's NPI number?
- Dianne Duffey's National Provider Identifier (NPI) is 1275592834, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dianne Duffey's specialty?
- Dianne Duffey is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Dianne Duffey located?
- Dianne Duffey's practice location on file with NPPES is 1635 Central Ave, Bridgeport, CT 06610-2717.
- What is Dianne Duffey's phone number?
- The practice phone number listed in the NPPES registry for Dianne Duffey is (203) 551-7400.
- Is Dianne Duffey's NPI active?
- Yes — Dianne Duffey's NPI (1275592834) is active in the NPPES registry as of the last update on 2017-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.