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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.

DR. THOMAS ALAN SIMMONS DDS
NPI 1295713691
Dentist - General Practice in Port Sanilac, MI

Active since January 05, 2006
245 S RIDGE ST, PORT SANILAC, MI 48469(810) 622-8230 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Thomas Alan Simmons Dds NPPES

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

DR. THOMAS ALAN SIMMONS DDS (NPI 1295713691) is an individual general practice provider in Port Sanilac, Michigan, licensed in Michigan (2901012153) and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1295713691
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. THOMAS ALAN SIMMONSCredential: DDS
Location Address245 S RIDGE STPort Sanilac, MI 48469-9704
Mailing AddressPo Box 627Port Sanilac, MI 48469-0627 · (810) 622-8230
Phone(810) 622-8230
Sole ProprietorNo
Enumeration DateJanuary 5, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1295713691 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in MI · 2901012153
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.
245 S RIDGE ST, Port Sanilac, MI 48469
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Other Providers at the Same Location NPPES 6

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

DECKERVILLE COMMUNITY HOSPITAL, INC
Clinic/Center
245 S RIDGE ST
PORT SANILAC, MI 48469
Sanilac County (810) 376-2835
THOMAS A SIMMONS DDS MARY ANNE SIMMONS DDS, PC
Dentist (General Practice)
245 S RIDGE ST
PORT SANILAC, MI 48469
Sanilac County (810) 622-8230
MARLETTE REGIONAL HOSPITAL
Clinic/Center (Rural Health)
245 S RIDGE ST
PORT SANILAC, MI 48469
Sanilac County (810) 376-2835
DR. MARY ANNE SIMMONS
Dentist (General Practice)
245 S RIDGE ST
PORT SANILAC, MI 48469
Sanilac County (810) 622-8230
MRS. KATHLEEN NANETTE INMAN RDA, RDH, BS
Dental Hygienist
245 S RIDGE ST
PORT SANILAC, MI 48469
Sanilac County (810) 622-8230
FARAAZ AHMED MD
Internal Medicine
245 S RIDGE ST
PORT SANILAC, MI 48469
Sanilac County (810) 376-7000

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 Thomas Simmons's NPI number?

The NPI number for Thomas Simmons is 1295713691. It was assigned to this individual provider in the NPPES registry on January 5, 2006.

Where is Thomas Simmons located?

Thomas Simmons practices at 245 S Ridge St, Port Sanilac, MI 48469. The listed phone number is (810) 622-8230.

What is Thomas Simmons'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 Thomas Simmons 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 27 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.