NPPES file of Aug 9, 2026

Marwin J. Martinez, M.D.

Emergency Medicine Physician · Knoxville, TN

Marwin J. Martinez, M.D. is an emergency medicine physician with a practice address in Knoxville, Tennessee, and NPI 1396784419, issued on Jun 5, 2006. Check the license (Tennessee BM2767272, 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
1396784419
Name
Marwin J. Martinez
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
BM2767272 TN
MD25894 TN
J3543 TX
Self-reported in NPPES; status is on the state search
Practice location
900 E Oak Hill Ave, Knoxville, TN 37917
Phone
(865) 545-8000
Enumerated
Jun 5, 2006
Record last updated
Jun 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
3085766 TN
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 900 E Oak Hill Ave

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

  1. David Ange, M.D.Radiation Oncology Physician1992853667
  2. Sara Babb, RDRegistered Dietitian1477068013
  3. Jason BarnardOccupational Therapist1821488164
  4. Annette Bongers, FNPFamily Nurse Practitioner1790067791
  5. Srinivas Boppana, MDRadiation Oncology Physician1609818269
  6. William Campbell, M.D.Emergency Medicine Physician1649219239

Verify Marwin J. Martinez 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 BM2767272
    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

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75% more Medicare Part D claims than the average emergency medicine physician in 2024

396 Medicare Part D claims for 232 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 86 claims were for opioids.

  1. Marwin Martinez396
  2. Specialty average226

Most prescribed

  1. Hydrocodone-Acetaminophen58 claims
  2. Ondansetron Odt25 claims
  3. Methylprednisolone23 claims
  4. Sulfamethoxazole-Trimethoprim16 claims
  5. Doxycycline Hyclate15 claims
  6. Azithromycin14 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.

Marwin J. Martinez among 1,174 emergency medicine physician records in Tennessee

Marwin J. Martinez, M.D. 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 54% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • 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).

Emergency Medicine Physician providers in Tennessee

There are 1,174 emergency medicine physician records in Tennessee.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. William Campbell, M.D.Knoxville, TN 379171649219239
  2. Frederick Ergen, M.D.Knoxville, TN 379171518927466
  3. Lindsey Harrell, MDKnoxville, TN 379171942494398
  4. Mackenzie Hay, M.D.Knoxville, TN 379171407010358
  5. John Irwin, M.D.Knoxville, TN 379171215982459
  6. Reynald Simmons, M.D.Knoxville, TN 379171528007150
  7. Charles Adams, M.D.Knoxville, TN 379161093810863
  8. Gerald Blossom, M.D.Knoxville, TN 379161568499820

Common questions

What is Marwin J. Martinez, M.D.'s NPI number?

Marwin J. Martinez, M.D.'s National Provider Identifier (NPI) is 1396784419, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marwin J. Martinez, M.D. located?

The NPPES record lists a practice address at 900 E Oak Hill Ave, Knoxville, TN, 37917. Phone: (865) 545-8000. Providers update this record themselves, so call before visiting.

How can I verify Marwin J. Martinez, M.D.'s license?

NPPES lists Tennessee license number BM2767272, 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 Marwin J. Martinez, M.D. prescribe under Medicare Part D?

In 2024, Marwin J. Martinez, M.D. had 396 Medicare Part D claims for 232 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.