Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Neil Chattopadhyay

General Practice Dentistry in East Haven, CT · enumerated 2019 · practices at R.E.Steller,D.M.D.,P.C..

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1689210999

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Registry record

Entity type Individual (Type 1)

Name Neil Chattopadhyay

Sex Male

Practice address 69 Main St, East Haven, CT, 06512

Phone (203) 467-8100

Enumeration date Nov 21, 2019

Last updated in NPPES Mar 26, 2022

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 13290 (CT) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Where does Neil Chattopadhyay practice?

The practice location on file with NPPES is in East Haven, CT. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Neil Chattopadhyay?

The National Provider Identifier (NPI) for Neil Chattopadhyay is 1689210999, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Rodney Steller General Practice Dentistry · East Haven, CT NPI 1285769802 R.E.Steller,D.M.D.,P.C. General Practice Dentistry · East Haven, CT NPI 1538378088

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-03-26.