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

Dr. Gregory James Thomas, DDS, MS

Individual provider Oral and Maxillofacial Surgery (Dentist) · NPI 1912947227

Dr. Gregory James Thomas, DDS, MS is an Oral and Maxillofacial Surgery (Dentist) in Warren, Michigan. Licensed in Michigan. Registered with an NPI since 2006.

Licensed in
MI
In the registry since
2006
Specialties on file
2
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.
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

29427 Ryan Rd
Warren, MI 48092-2203
Phone: (586) 755-9340
Fax: (586) 755-1081
Show map & directions

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

Specialties & licences

Oral & Maxillofacial Surgery (D.M.D.) (primary) Taxonomy 204E00000X · Licence 2901013883 (MI)
Oral and Maxillofacial Surgery (Dentist) Taxonomy 1223S0112X · Licence 2901013883 (MI)

Record details

NPI number1912947227
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS , MS
Sole proprietorNo
NPI enumeratedJune 7, 2006
Last updated in NPPESAugust 10, 2015
Mailing address29425 Ryan Rd, Warren, MI 48092-2203

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