Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JOHN A KERCHOFF DMD
NPI 1215936554
Dentist - General Practice in New Canaan, CT

Q: What is John Kerchoff's NPI number?

The NPI number for John Kerchoff is 1215936554. It was assigned to this individual provider in the NPPES registry on July 19, 2005.

Q: What is John Kerchoff's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: When was this NPI record last updated?

The NPPES record for John Kerchoff was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 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 July 19, 2005

179 CHERRY ST, NEW CANAAN, CT 06840(203) 966-0747 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. John A Kerchoff Dmd NPPES

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

DR. JOHN A KERCHOFF DMD (NPI 1215936554) is an individual general practice provider in New Canaan, Connecticut, licensed in Connecticut (4817) and active in the NPI registry since July 2005.

NPPES Registry Identity

NPI1215936554

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. JOHN A KERCHOFFCredential: DMD

Location Address179 CHERRY STNew Canaan, CT 06840-4820

Mailing Address179 Cherry StNew Canaan, CT 06840-4820 · (203) 966-0747

Phone(203) 966-0747

Sole ProprietorNo

Enumeration DateJuly 19, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1215936554 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in CT · 4817

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

179 CHERRY ST, New Canaan, CT 06840

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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 John Kerchoff's NPI number?

The NPI number for John Kerchoff is 1215936554. It was assigned to this individual provider in the NPPES registry on July 19, 2005.

Where is John Kerchoff located?

John Kerchoff practices at 179 Cherry St, New Canaan, CT 06840. The listed phone number is (203) 966-0747.

What is John Kerchoff's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for John Kerchoff was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 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.