John Michael Constantine, D.M.D.
Dentist · Kingsport, TN
John Michael Constantine, D.M.D. is a dentist with a practice address in Kingsport, Tennessee, and NPI 1659725869, issued on Apr 14, 2016. Check the license (Tennessee 13043, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Michael Constantine
- Credential
- D.M.D.
- Primary taxonomy
- Dentist 122300000X
- License numbers
- 13043 TN
DN22257 FL
Self-reported in NPPES; status is on the state search - Practice location
- 117 W Sevier Ave, Kingsport, TN 37660
- Phone
- (423) 933-3981
- Enumerated
- Apr 14, 2016
- Record last updated
- Mar 2, 2026
- Entity
- Type 1 · individual
8 nearest dentist records → All 1,525 in Tennessee → Look up another NPI →
Also registered at 117 W Sevier Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Michael Constantine in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license 13043Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average dentist in 2024
16 Medicare Part D claims for 13 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
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.
John Michael Constantine among 1,525 dentist records in Tennessee
John Michael Constantine, 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 2016, is newer than 65% of them.
- NPI issued2016 · 65% of these records are older, 32% 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 updated2026 · 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).
26 dentist records list a practice address in Kingsport
They are 26 of the 1,986 NPPES records with a practice address in Kingsport, and 1,525 dentist records in Tennessee.
All 1,525 in Tennessee → Every provider in Kingsport → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Jasmine Benavidez, DDSKingsport, TN 376601437859295
- James Brewer, DDSKingsport, TN 376601154439271
- Jordan Broadwater, DDSKingsport, TN 376601164317020
- Deomick HarrisKingsport, TN 376601154255032
- Brian Himelwright, DDSKingsport, TN 376601548332679
- Jenni O'Malley, D.M.DKingsport, TN 376601609144997
- Benjamin Perrault, DMDKingsport, TN 376601821717448
- John Haws, DDSJonesborough, TN 376591710199385
Common questions
What is John Michael Constantine, D.M.D.'s NPI number?
John Michael Constantine, D.M.D.'s National Provider Identifier (NPI) is 1659725869, issued on Apr 14, 2016. An NPI identifies a provider in billing; it is not a license.
Where is John Michael Constantine, D.M.D. located?
The NPPES record lists a practice address at 117 W Sevier Ave, Kingsport, TN, 37660. Phone: (423) 933-3981. Providers update this record themselves, so call before visiting.
How can I verify John Michael Constantine, D.M.D.'s license?
NPPES lists Tennessee license number 13043, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
How much does John Michael Constantine, D.M.D. prescribe under Medicare Part D?
In 2024, John Michael Constantine, D.M.D. had 16 Medicare Part D claims for 13 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.