1. Home
  2. Directory
  3. Connecticut
  4. New Haven
  5. Dentist
  6. NPI Profile

DR. JOHN WILLIAM DEAN III D.D.S.
NPI 1386756658
Dentist - Periodontics in New Haven, CT

Active since August 31, 2006
123 YORK ST, SUITE H, NEW HAVEN, CT 06511(203) 773-9186 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. John William Dean Iii D.d.s. NPPES

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

DR. JOHN WILLIAM DEAN III D.D.S. (NPI 1386756658) is an individual periodontics provider in New Haven, Connecticut, licensed in Connecticut (007448) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1386756658
Entity TypeIndividualMale
Primary Taxonomy1223P0300X
Provider Legal NameDR. JOHN WILLIAM DEAN IIICredential: D.D.S.
Location Address123 YORK ST, SUITE HNew Haven, CT 06511-5614
Mailing Address123 York St, Suite HNew Haven, CT 06511-5614 · (203) 773-9186
Phone(203) 773-9186
Sole ProprietorNo
Enumeration DateAugust 31, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1386756658 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · PeriodonticsDental Providers
Taxonomy Code1223P0300X
License✔ Licensed in CT · 007448
Definition
That specialty of dentistry which encompasses the prevention, diagnosis and treatment of diseases of the supporting and surrounding tissues of the teeth or their substitutes and the maintenance of the health, function and esthetics of these structures and tissues.
123 YORK ST, New Haven, CT 06511
Open in Google Maps ↗

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JACK DAVID BERNS D.D.S.
Dentist (General Practice)
123 YORK ST, SUITE 2J
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 777-2513
JACK D BERNS DDS & ANTHONY T DIOGUARDI DMD
Clinic/Center (Dental)
123 YORK ST, SUITE 2J
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 777-2513
DR. JOSPEH J FORRESTER D.M.D.
Dentist (General Practice)
123 YORK ST, SUITE 4L
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 781-8051
DR. DAVID P GIBSON D.D.S.
Dentist (General Practice)
123 YORK ST, SUITE 4L
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 781-8051
DR. WILLIAM MARK SHERMAN PH.D.
Psychologist
123 YORK ST, SUITE 2B
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 787-5723
DR. ANTHONY THOMAS DIOGUARDI D.M.D.
Dentist
123 YORK ST, SUITE 2J
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 777-2513
DR. JOONG S. LEE D.D.S.
Dentist (General Practice)
123 YORK ST, 3-H
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 865-0105
DR. DEAN G CLOUTIER D.D.S.
Dentist (General Practice)
123 YORK ST, SUITE 4L
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 781-8051

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 John Dean's NPI number?

The NPI number for John Dean is 1386756658. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is John Dean located?

John Dean practices at 123 York St Suite H, New Haven, CT 06511. The listed phone number is (203) 773-9186.

What is John Dean's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Periodontics, with taxonomy code 1223P0300X.

When was this NPI record last updated?

The NPPES record for John Dean was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.