Registry data as of Aug 27, 2026

John Mefford, D.M.D.

General Practice Dentistry · Johnson City, TN

John Mefford, D.M.D. is a general practice dentistry with a practice address in Johnson City, Tennessee, and NPI 1942339189, issued on Mar 5, 2007. Check the license (Tennessee TNDS7966, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1942339189
Name
John Mefford
Credential
D.M.D.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
TNDS7966 TN
Self-reported in NPPES; status is on the state search
Practice location
2806 W Market St, Johnson City, TN 37604
Phone
(423) 434-1370
Enumerated
Mar 5, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2806 W Market St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Milton Ellis, D.D.S.General Practice Dentistry1154450294

Verify John Mefford in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
    Search for license TNDS7966
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

30% more Medicare Part D claims than the average general practice dentistry in 2024

109 Medicare Part D claims for 81 beneficiaries, against an average of 84 among the 68,591 providers of this specialty who prescribed in Part D.

  1. John Mefford109
  2. Specialty average84

Most prescribed

  1. Amoxicillin73 claims
  2. Clindamycin Hcl11 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.

Industry payments in 2024: $485.50

4 payments, mostly gift; the largest payer was A-dec, Inc.. The 40,968 providers of this specialty with any payment received $593.28 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Mefford$485.50
  2. Specialty average$593.28

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

General Practice Dentistry providers in Tennessee

There are 1,998 general practice dentistry records in Tennessee.

Other general practice dentistry records in Tennessee

  1. Carley Abbott, DDSNashville, TN1003507922
  2. Colin Abbott, DDSMemphis, TN1265279822
  3. Fethi AbdulahiSpringfield, TN1548339617
  4. Ragaa Abdulmoniem, DDSBristol, TN1114758331
  5. Fredrick Abernathy, D.D.SPulaski, TN1285623769
  6. Ammaar Abidi, DDSMemphis, TN1811353337
  7. Allyson Abrams, DDSNashville, TN1528751153
  8. Sean Abrams, DDSFranklin, TN1912014523
  9. David Ackerson, DDSKnoxville, TN1295741718
  10. Lale Adams, D.D.S.Memphis, TN1073718706

Common questions

What is John Mefford, D.M.D.'s NPI number?

John Mefford, D.M.D.'s National Provider Identifier (NPI) is 1942339189, issued on Mar 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John Mefford, D.M.D. located?

The NPPES record lists a practice address at 2806 W Market St, Johnson City, TN, 37604. Phone: (423) 434-1370. Providers update this record themselves, so call before visiting.

How can I verify John Mefford, D.M.D.'s license?

NPPES lists Tennessee license number TNDS7966, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

How much does John Mefford, D.M.D. prescribe under Medicare Part D?

In 2024, John Mefford, D.M.D. had 109 Medicare Part D claims for 81 beneficiaries; the average among general practice dentistry prescribers was 84. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.