NPPES file of Aug 9, 2026

Michael J. Mertens, M.D.

Family Medicine Physician · Mt Juliet, TN

Michael J. Mertens, M.D. is a family medicine physician with a practice address in Mt Juliet, Tennessee, and NPI 1346292257, issued on May 17, 2006. Check the license (Tennessee 30767, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1346292257
Name
Michael J. Mertens
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
30767 TN
Self-reported in NPPES; status is on the state search
Practice location
325 Old Pleasant Grove RD, Mt Juliet, TN 37122
Phone
(629) 255-2073
Enumerated
May 17, 2006
Record last updated
Jun 13, 2022
Fax
(629) 255-4162
Medicaid ID
3839210 TN
Medicare enrollment
Enrolled (PECOS I20100127000595); accepts Medicare assignment
Medical or professional school
University Of Tennessee, Hsc, College Of Medicine, 1997
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 2,674 in Tennessee → Look up another NPI →

Also registered at 325 Old Pleasant Grove RD

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

  1. Andrew Alsentzer, M.D.Pediatrics Physician1477991644
  2. William Baucom, M.D.Internal Medicine Physician1952353054
  3. Allison Boehm, FNP-BCFamily Nurse Practitioner1699064618
  4. Amy Bono, MDInternal Medicine Physician1851554836
  5. Stacy Brown, APNFamily Nurse Practitioner1093937872
  6. Megan Byram, MDRheumatology Physician1710428149

Verify Michael J. Mertens in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 30767    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
Open 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.

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2.6 times the Medicare Part D claims of the average family medicine physician in 2024

9,117 Medicare Part D claims for 761 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 159 claims were for opioids.

  1. Michael Mertens9,117
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium571 claims
  2. Lisinopril542 claims
  3. Levothyroxine Sodium461 claims
  4. Amlodipine Besylate449 claims
  5. Omeprazole315 claims
  6. Rosuvastatin Calcium311 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: $103.53

5 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Mertens$103.53
  2. Specialty average$902.55

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

Bills Medicare through one group practice

  1. Heritage Medical Associates PCHermitage, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Michael J. Mertens among 2,674 family medicine physician records in Tennessee

Michael J. Mertens, M.D. is one of 2,674 family medicine physician records with a practice address in Tennessee. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.

  • NPI issued2006 · 17% of these records are older, 48% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1997 · median 2004 among the 1,685 with a school on file
  • Record last updated2022 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 family medicine physician records list a practice address in Mt Juliet

They are 7 of the 552 NPPES records with a practice address in Mt Juliet, and 2,674 family medicine physician records in Tennessee.

All 2,674 in Tennessee → Every provider in Mt Juliet → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Kenneth Demirjian, M.D.Mt Juliet, TN 371221942252952
  2. Brandi Findley, DOMt Juliet, TN 371221912431396
  3. Don Gibson, MDMount Juliet, TN 371221326451246
  4. Laura Gillespie, FNP MSNMt Juliet, TN 371221154318418
  5. Vaughan Hall, MDMt Juliet, TN 371221740281252
  6. Katherine Jones, MDMount Juliet, TN 371221427023605
  7. Marthe-Sophie Lagueux, M.D.Mount Juliet, TN 371221457330649
  8. Michael McCutchen, M.D.Mt Juliet, TN 371221346636966

Common questions

What is Michael J. Mertens, M.D.'s NPI number?

Michael J. Mertens, M.D.'s National Provider Identifier (NPI) is 1346292257, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael J. Mertens, M.D. located?

The NPPES record lists a practice address at 325 Old Pleasant Grove RD, Mt Juliet, TN, 37122. Phone: (629) 255-2073. Providers update this record themselves, so call before visiting.

How can I verify Michael J. Mertens, M.D.'s license?

NPPES lists Tennessee license number 30767, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael J. Mertens, M.D. prescribe under Medicare Part D?

In 2024, Michael J. Mertens, M.D. had 9,117 Medicare Part D claims for 761 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.