Grant Ashton Dillingham, D.M.D.
Dentist · Union City, TN
Grant Ashton Dillingham, D.M.D. is a dentist with a practice address in Union City, Tennessee, and NPI 1184966418, issued on Mar 25, 2013. Check the license (Tennessee 9851, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Grant Ashton Dillingham
- Credential
- D.M.D.
- Primary taxonomy
- Dentist 122300000X
- License number
- 9851 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1007 E Reelfoot Ave, Union City, TN 38261
- Phone
- (731) 885-2277
- Enumerated
- Mar 25, 2013
- Record last updated
- Feb 9, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 1,525 in Tennessee → Look up another NPI →
Also registered at 1007 E Reelfoot Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laura Clark, DDSDentist1699296525
- Gabriel Sullivan, DDSDentist1235223017
Verify Grant Ashton Dillingham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license 9851Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% more Medicare Part D claims than the average dentist in 2024
101 Medicare Part D claims for 71 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin73 claims
- Azithromycin11 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.
Grant Ashton Dillingham among 1,525 dentist records in Tennessee
Grant Ashton Dillingham, D.M.D. is one of 1,525 dentist records with a practice address in Tennessee. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 56% of them.
- NPI issued2013 · 56% of these records are older, 41% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2017 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 dentist records list a practice address in Union City
They are 7 of the 246 NPPES records with a practice address in Union City, and 1,525 dentist records in Tennessee.
All 1,525 in Tennessee → Every provider in Union City → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Laura Clark, DDSUnion City, TN 382611699296525
- Jeffery Kaze, DMDUnion City, TN 382611235157736
- Johnny Miller, DMDUnion City, TN 382611235305806
- Carlos Rodriguez, DDSUnion City, TN 382611033108253
- Travis Shumate, DDSUnion City, TN 382611033277983
- Gabriel Sullivan, DDSUnion City, TN 382611235223017
- Mark Cathey, DMDParis, TN 382421427501592
- Jacqueline Ellis, DDSParis, TN 382421982594784
Common questions
What is Grant Ashton Dillingham, D.M.D.'s NPI number?
Grant Ashton Dillingham, D.M.D.'s National Provider Identifier (NPI) is 1184966418, issued on Mar 25, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Grant Ashton Dillingham, D.M.D. located?
The NPPES record lists a practice address at 1007 E Reelfoot Ave, Union City, TN, 38261. Phone: (731) 885-2277. Providers update this record themselves, so call before visiting.
How can I verify Grant Ashton Dillingham, D.M.D.'s license?
NPPES lists Tennessee license number 9851, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
How much does Grant Ashton Dillingham, D.M.D. prescribe under Medicare Part D?
In 2024, Grant Ashton Dillingham, D.M.D. had 101 Medicare Part D claims for 71 beneficiaries; 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.