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DR. MARK J WILLIAMSON D.D.S.
NPI 1851341945
Dentist - General Practice in Clio, MI

Active since May 11, 2006
4279 W VIENNA RD, CLIO, MI 48420(810) 659-1721(810) 659-0897 Get Directions Write a Review

NPPES record last updated: December 19, 2019. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Mark J Williamson D.d.s. NPPES

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

DR. MARK J WILLIAMSON D.D.S. (NPI 1851341945) is an individual general practice provider in Clio, Michigan, licensed in Michigan (2901013535) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1851341945
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. MARK J WILLIAMSONCredential: D.D.S.
Location Address4279 W VIENNA RDClio, MI 48420-9440
Mailing AddressPo Box 210Flushing, MI 48433-0210 · (810) 659-4561 · Fax (810) 659-0897
Phone(810) 659-1721
Fax(810) 659-0897
Sole ProprietorYes
Enumeration DateMay 11, 2006
Last NPPES UpdateDecember 19, 2019
✔ NPI 1851341945 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 · 2901013535
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.
4279 W VIENNA RD, Clio, MI 48420
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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.

PASCOE DENTAL LLC
Clinic/Center (Dental)
4279 W VIENNA RD
CLIO, MI 48420
Genesee County (810) 687-2000
DR. CHAD MARK WITKOW D.D.S.
Dentist (General Practice)
4279 W VIENNA RD
CLIO, MI 48420
Genesee County (810) 659-1721
DR. RONALD A WRIGHT D.D.S.
Dentist (General Practice)
4279 W VIENNA RD
CLIO, MI 48420
Genesee County (810) 687-2000
CLIO FAMILY DENTISTRY PLC
Dentist (General Practice)
4279 W VIENNA RD
CLIO, MI 48420
Genesee County (810) 687-2000
MICHIGAN DENTAL SLEEP CENTER INC
Dentist (General Practice)
4279 W VIENNA RD
CLIO, MI 48420
Genesee County (810) 659-1721
MICHIGAN DENTAL SLEEP CENTER INC
Durable Medical Equipment & Medical Supplies (Customized Equipment)
4279 W VIENNA RD
CLIO, MI 48420
Genesee County (810) 659-1721

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 Mark Williamson's NPI number?

The NPI number for Mark Williamson is 1851341945. It was assigned to this individual provider in the NPPES registry on May 11, 2006.

Where is Mark Williamson located?

Mark Williamson practices at 4279 W Vienna Rd, Clio, MI 48420. The listed phone number is (810) 659-1721.

What is Mark Williamson'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 Mark Williamson was last updated on December 19, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.