Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

COGAN DOWDEN
NPI 1477478642
Specialist in Commack, NY

Q: What is Cogan Dowden's NPI number?

The NPI number for Cogan Dowden is 1477478642. It was assigned to this individual provider in the NPPES registry on August 13, 2026.

Q: What is Cogan Dowden's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Cogan Dowden was last updated on August 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 13, 2026

123 HARNED RD, COMMACK, NY 11725(631) 559-7345 Get Directions Write a Review

NPPES record added: August 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

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About Cogan Dowden NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

COGAN DOWDEN (NPI 1477478642) is an individual specialist in Commack, New York and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1477478642

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameCOGAN DOWDEN

Location Address123 HARNED RDCommack, NY 11725-4203

Mailing Address123 Harned RdCommack, NY 11725-4203

Phone(631) 559-7345

Sole ProprietorYes

Enumeration DateAugust 13, 2026

NPPES CertifiedAugust 13, 2026

✔ NPI 1477478642 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

123 HARNED RD, Commack, NY 11725

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Cogan Dowden's NPI number?

The NPI number for Cogan Dowden is 1477478642. It was assigned to this individual provider in the NPPES registry on August 13, 2026.

Where is Cogan Dowden located?

Cogan Dowden practices at 123 Harned Rd, Commack, NY 11725. The listed phone number is (631) 559-7345.

What is Cogan Dowden's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for Cogan Dowden was last updated on August 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.