John Marshall Gregg, DDS
Oral and Maxillofacial Surgery (Dentist) · Blacksburg, VA
John Marshall Gregg, DDS is an oral and maxillofacial surgery (dentist) with a practice address in Blacksburg, Virginia, and NPI 1639160575, issued on Oct 31, 2005. Check the license (Virginia 0401005828, as entered in NPPES) with the Virginia board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Marshall Gregg
- Credential
- DDS
- Primary taxonomy
- Oral and Maxillofacial Surgery (Dentist) 1223S0112X
- License number
- 0401005828 VA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Professional Park Dr SE, Blacksburg, VA 24060
- Phone
- (540) 951-8777
- Enumerated
- Oct 31, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (540) 951-9642
- Medicaid ID
- 8017808 VA
- Entity
- Type 1 · individual
8 nearest oral and maxillofacial surgery (dentist) records → All 256 in Virginia → Look up another NPI →
Also registered at 100 Professional Park Dr SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Boyle, DDSOral and Maxillofacial Surgery (Dentist)1316938129
- Clinton Howard, DMDOral and Maxillofacial Surgery (Dentist)1073504882
Verify John Marshall Gregg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this profession
Search for license 0401005828Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Marshall Gregg among 256 oral and maxillofacial surgery (dentist) records in Virginia
John Marshall Gregg, DDS is one of 256 oral and maxillofacial surgery (dentist) records with a practice address in Virginia. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileNo · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223S0112X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Oral and Maxillofacial Surgery (Dentist) providers in Virginia
There are 256 oral and maxillofacial surgery (dentist) records in Virginia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 256 in Virginia → Every provider in Blacksburg → Oral and Maxillofacial Surgery (Dentist) nationwide →
The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes
- Richard Boyle, DDSBlacksburg, VA 240601316938129
- Clinton Howard, DMDBlacksburg, VA 240601073504882
- James McClung, DDSRoanoke, VA 240191962472878
- Albert Parulis, DMDRoanoke, VA 240191003886912
- Daniel Perez Osorio, DDSRoanoke, VA 240181508097817
- Samuel Scroggins, DMDRoanoke, VA 240181487742375
- Kaine Stokes, DDSRoanoke, VA 240181326236845
- Charles Conklin, DDSRoanoke, VA 240141366410839
Common questions
What is John Marshall Gregg, DDS's NPI number?
John Marshall Gregg, DDS's National Provider Identifier (NPI) is 1639160575, issued on Oct 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Marshall Gregg, DDS located?
The NPPES record lists a practice address at 100 Professional Park Dr SE, Blacksburg, VA, 24060. Phone: (540) 951-8777. Providers update this record themselves, so call before visiting.
How can I verify John Marshall Gregg, DDS's license?
NPPES lists Virginia license number 0401005828, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.