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DR. MICHAEL H NISHI DDS
NPI 1275547341
Dentist - Prosthodontics in Darien, CT

Active since July 27, 2006
110 POST RD, DARIEN, CT 06820(203) 655-2453(203) 656-0353 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Michael H Nishi Dds NPPES

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

DR. MICHAEL H NISHI DDS (NPI 1275547341) is an individual prosthodontics provider in Darien, Connecticut, licensed in Connecticut (08552) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1275547341
Entity TypeIndividualMale
Primary Taxonomy1223P0700X
Provider Legal NameDR. MICHAEL H NISHICredential: DDS
Location Address110 POST RDDarien, CT 06820-2931
Mailing Address110 Post RdDarien, CT 06820-2931 · (203) 655-2453 · Fax (203) 656-0353
Phone(203) 655-2453
Fax(203) 656-0353
Sole ProprietorNo
Enumeration DateJuly 27, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1275547341 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDentist · ProsthodonticsDental Providers
Taxonomy Code1223P0700X
License✔ Licensed in CT · 08552
Definition
That branch of dentistry pertaining to the restoration and maintenance of oral functions, comfort, appearance and health of the patient by the restoration of natural teeth and/or the replacement of missing teeth and contiguous oral and maxillofacial tissues with artificial substitutes.
Also ListedDentist · General PracticeTaxonomy 1223G0001X · License 08552 (CT)
110 POST RD, Darien, CT 06820
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana and more.Insurance ›

Other Providers at the Same Location NPPES 3

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

ALAN B ROSENTHAL,DMD,PC
Dentist
110 POST RD
DARIEN, CT 06820
Western Connecticut Planning Region (203) 655-2453
DR. MARK WALDMAN DMD
Dentist (General Practice)
110 POST RD
DARIEN, CT 06820
Western Connecticut Planning Region (203) 655-2453
DR. DAVID J TESSER DDS
Dentist
110 POST RD
DARIEN, CT 06820
Western Connecticut Planning Region (203) 655-4404

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 Michael Nishi's NPI number?

The NPI number for Michael Nishi is 1275547341. It was assigned to this individual provider in the NPPES registry on July 27, 2006.

Where is Michael Nishi located?

Michael Nishi practices at 110 Post Rd, Darien, CT 06820. The listed phone number is (203) 655-2453.

What is Michael Nishi's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Prosthodontics, with taxonomy code 1223P0700X.

What insurance does Michael Nishi accept?

Health plans from Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 5 other insurers list Michael Nishi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Michael Nishi was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.