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

RICHARD KOSINSKI DMD
NPI 1386641215
Dentist - General Practice in Dedham, MA

Active since July 07, 2005
1 LYONS ST, DEDHAM, MA 02026(781) 329-1400(781) 278-5667 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Richard Kosinski Dmd NPPES

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

RICHARD KOSINSKI DMD (NPI 1386641215) is an individual general practice provider in Dedham, Massachusetts, licensed in Massachusetts (13098) and active in the NPI registry since July 2005.

NPPES Registry Identity

NPI1386641215
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameRICHARD KOSINSKICredential: DMD
Location Address1 LYONS STDedham, MA 02026-5599
Mailing AddressPo Box 9120Dedham, MA 02027-9120 · (781) 329-1400 · Fax (781) 278-5667
Phone(781) 329-1400
Fax(781) 278-5667
Sole ProprietorNo
Enumeration DateJuly 7, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1386641215 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in MA · 13098
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.
1 LYONS ST, Dedham, MA 02026
Open in Google Maps ↗

Other Identifiers 5

Other380556Harvard Pilgrim
OtherT57253First Seniority
Other016769Neighborhood Health
Other380556Harvard Pilgrim Ppo
Other380556Harvard Pilgrim Pos

Other Providers at the Same Location NPPES 20

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

CAREN A. LAWSON NP
Nurse Practitioner (Family)
1 LYONS ST
DEDHAM, MA 02026
Norfolk County (781) 329-1400
DANIEL C-S LEE MD
Internal Medicine
1 LYONS ST
DEDHAM, MA 02026
Norfolk County (781) 329-1400
DEDHAM MEDICAL ASSOCIATES INC.
Clinic/Center (Multi-Specialty)
1 LYONS ST
DEDHAM, MA 02026
Norfolk County (781) 329-1400
MARY C GOSNEY
Advanced Practice Midwife
1 LYONS ST
DEDHAM, MA 02026
Norfolk County (781) 493-3600
DR. SARAH ELIZABETH INGHAM M.D.
Obstetrics & Gynecology
1 LYONS ST
DEDHAM, MA 02026
Norfolk County (781) 329-1400
COLLEEN A. MANNERING CNM
Advanced Practice Midwife
1 LYONS ST
DEDHAM, MA 02026
Norfolk County (781) 329-1400
DR. CARA RACHEL WEINSTEIN M.D.
Pediatrics
1 LYONS ST
DEDHAM, MA 02026
Norfolk County (781) 493-3620
ALENE J CONANT M.D.
Internal Medicine
1 LYONS ST
DEDHAM, MA 02026
Norfolk County (781) 329-1400

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 Richard Kosinski's NPI number?

The NPI number for Richard Kosinski is 1386641215. It was assigned to this individual provider in the NPPES registry on July 7, 2005.

Where is Richard Kosinski located?

Richard Kosinski practices at 1 Lyons St, Dedham, MA 02026. The listed phone number is (781) 329-1400.

What is Richard Kosinski'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 Richard Kosinski 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 40 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.