NPPES file of Aug 9, 2026

Mario Luis Ramirez, MD

Emergency Medicine Physician · Nashville, TN

Mario Luis Ramirez, MD is an emergency medicine physician with a practice address in Nashville, Tennessee, and NPI 1740484237, issued on Jun 11, 2007. Check the license (Tennessee MD0000044264, 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
1740484237
Name
Mario Luis Ramirez
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
MD0000044264 TN
Self-reported in NPPES; status is on the state search
Practice location
1313 21St Ave S, Nashville, TN 37232
Phone
(615) 936-0087
Enumerated
Jun 11, 2007
Record last updated
Dec 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(615) 936-1316
Medicare enrollment
Enrolled (PECOS I20160603001488); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 2007
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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Also registered at 1313 21St Ave S

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

  1. Kate Andrews, FNP-BCFamily Nurse Practitioner1700228657
  2. Sarah Brown, MDStudent in an Organized Health Care Education/Training Program1295479897
  3. Jeremy Brywczynski, M.D.Emergency Medicine Physician1205945045
  4. John Champion, M.D.Emergency Medicine Physician1760773956
  5. Phoebe ChangStudent in an Organized Health Care Education/Training Program1457849291
  6. Kaitlyn Chapin, MSN, AGNP-CGerontology Nurse Practitioner1528540341

Verify Mario Luis Ramirez 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 MD0000044264
    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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52% fewer Medicare Part D claims than the average emergency medicine physician in 2024

109 Medicare Part D claims for 78 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Mario Luis Ramirez109
  2. Specialty average226

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.

Bills Medicare through one group practice

  1. Emergency Medicine Services OF VA LLCFredericksburg, VA

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

Mario Luis Ramirez among 1,174 emergency medicine physician records in Tennessee

Mario Luis Ramirez, MD is one of 1,174 emergency medicine physician records with a practice address in Tennessee. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.

  • NPI issued2007 · 46% of these records are older, 47% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2007 · median 2012 among the 667 with a school on file
  • Record last updated2021 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

294 emergency medicine physician records list a practice address in Nashville

They are 294 of the 24,357 NPPES records with a practice address in Nashville, and 1,174 emergency medicine physician records in Tennessee.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Jeremy Brywczynski, M.D.Nashville, TN 372321205945045
  2. Robert Frankenfield, M.D.Nashville, TN 372321275591042
  3. Jennifer Hess, M.D.Nashville, TN 372321154309953
  4. Erik Hess, MDNashville, TN 372321518932292
  5. Mack Jenkins, M.D.Nashville, TN 372321679534309
  6. Michael Johnston, MDNashville, TN 372321487698361
  7. William Lummus, MDNashville, TN 372321528048485
  8. Cori McKean, M.D.Nashville, TN 372321639107873

Common questions

What is Mario Luis Ramirez, MD's NPI number?

Mario Luis Ramirez, MD's National Provider Identifier (NPI) is 1740484237, issued on Jun 11, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mario Luis Ramirez, MD located?

The NPPES record lists a practice address at 1313 21St Ave S, Nashville, TN, 37232. Phone: (615) 936-0087. Providers update this record themselves, so call before visiting.

How can I verify Mario Luis Ramirez, MD's license?

NPPES lists Tennessee license number MD0000044264, 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 Mario Luis Ramirez, MD prescribe under Medicare Part D?

In 2024, Mario Luis Ramirez, MD had 109 Medicare Part D claims for 78 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.