Gregory Trandon Lee Jefferson
Dentist · Shelby, MT
Gregory Trandon Lee Jefferson is a dentist with a practice address in Shelby, Montana, and NPI 1669109229, issued on Aug 4, 2022. Check the license (Montana 25964, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Trandon Lee Jefferson
- Primary taxonomy
- Dentist 122300000X
- License number
- 25964 MT
Self-reported in NPPES; status is on the state search - Practice location
- 865 Oilfield Ave, Shelby, MT 59474
- Phone
- (406) 434-3142
- Enumerated
- Aug 4, 2022
- Record last updated
- Aug 24, 2023
- Entity
- Type 1 · individual
Also registered at 865 Oilfield Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joren Bonderud, ODOptometrist1679063853
- Larry Bonderud, O.D.Optometrist1164414322
- Bryan Haight, D.D.S.General Practice Dentistry1114968831
- John Moore, D.D.S.General Practice Dentistry1083777684
- Dylan Weishaar, DDSGeneral Practice Dentistry1093244212
Verify Gregory Trandon Lee Jefferson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license 25964Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average dentist in 2024
11 Medicare Part D claims, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
2 dentist records list a practice address in Shelby
They are 2 of the 57 NPPES records with a practice address in Shelby, and 266 dentist records in Montana.
All 2 in Shelby → All 266 in Montana → Every provider in Shelby →
Other dentist records in Montana
- Craig Adams, D.D.S.Billings, MT1366607806
- Christopher Allen, DMDBillings, MT1205513009
- Lucas Allen, D.M.D.Choteau, MT1518307339
- Aimee Ameline, DDSGreat Falls, MT1699849091
- Robert Andersen, D.M.D.Belgrade, MT1023276862
- Fred Anderson, D.M.D.Great Falls, MT1477628790
- Taylor Anderson, DMDBozeman, MT1831882059
- Thomas Anderson, DDSTownsend, MT1750413456
- Kyle BagnellBigfork, MT1689322067
- Makenzie Bagnell, DDSBigfork, MT1104574599
Common questions
What is Gregory Trandon Lee Jefferson's NPI number?
Gregory Trandon Lee Jefferson's National Provider Identifier (NPI) is 1669109229, issued on Aug 4, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Trandon Lee Jefferson located?
The NPPES record lists a practice address at 865 Oilfield Ave, Shelby, MT, 59474. Phone: (406) 434-3142. Providers update this record themselves, so call before visiting.
How can I verify Gregory Trandon Lee Jefferson's license?
NPPES lists Montana license number 25964, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Trandon Lee Jefferson prescribe under Medicare Part D?
In 2024, Gregory Trandon Lee Jefferson had 11 Medicare Part D claims; the average among dentist prescribers was 86. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.