Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. William Michael Irwin, DDS

Individual provider General Practice Dentistry · NPI 1568549954

Dr. William Michael Irwin, DDS is a General Practice Dentistry in Houston, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2006
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

316 Freeport St
Houston, TX 77015-2311
Phone: (713) 453-7133
Fax: (713) 453-4699
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 8538 (TX)

Record details

NPI number1568549954
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedNovember 1, 2006
Last updated in NPPESJuly 8, 2007
Mailing address316 Freeport St, Houston, TX 77015-2311

Other providers in Houston