Dr. Dianne Duffey M.D.
About this NPIWhat this record shows.
NPI 1275592834 is registered to Dr. Dianne Duffey M.D., a Psychiatry practising at 1635 Central Ave in Bridgeport, Connecticut. Psychiatry is the medical specialty focused on the diagnosis, treatment, and prevention of mental health conditions, including depression, anxiety, bipolar disorder, and schizophrenia. Dr. Dianne Duffey M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- 001454793CT· Issued by DUFFEY MEDICAID
- D400278240CT· Issued by DUFFEY MEDICARE
Source: NPPES public registry.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Dianne Duffey M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Dianne Duffey M.D. directly at (203) 551-7400.
Frequently asked
Yes. NPI 1275592834 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Psychiatry is the medical specialty focused on the diagnosis, treatment, and prevention of mental health conditions, including depression, anxiety, bipolar disorder, and schizophrenia.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (203) 551-7400.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. Dianne Duffey M.D. is a Type-1 individual NPI.