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

Dr. John Marshall Gregg, DDS

Individual provider Oral and Maxillofacial Surgery (Dentist) · NPI 1639160575

Dr. John Marshall Gregg, DDS is an Oral and Maxillofacial Surgery (Dentist) in Blacksburg, Virginia. Licensed in Virginia. Registered with an NPI since 2005.

Licensed in
VA
In the registry since
2005
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 →

Practice location Address checks out

100 Professional Park Dr SE Ste 1
Blacksburg, VA 24060-6665
Phone: (540) 951-8777
Fax: (540) 951-9642
Show map & directions

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

Specialties & licences

Oral and Maxillofacial Surgery (Dentist) (primary) Taxonomy 1223S0112X · Licence 0401005828 (VA)

Record details

NPI number1639160575
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedOctober 31, 2005
Last updated in NPPESJuly 13, 2026
Mailing address100 Professional Park Dr Se, Suite 1, Blacksburg, VA 24060-6665

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