NPPES file of Aug 9, 2026

Melissa Eaton Hixson, MD

Internal Medicine Physician · Nashville, TN

Melissa Eaton Hixson, MD is an internal medicine physician with a practice address in Nashville, Tennessee, and NPI 1407843089, issued on Sep 29, 2005. Check the license (Tennessee 39159, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407843089
Name
Melissa Eaton Hixson
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
39159 TN
Self-reported in NPPES; status is on the state search
Practice location
3601 The Vanderbilt Clinic, Nashville, TN 37232
Phone
(615) 322-3000
Enumerated
Sep 29, 2005
Record last updated
Mar 30, 2022
Medicaid ID
33324871 TN
Medicare enrollment
Enrolled (PECOS I20050808001110); accepts Medicare assignment
Medical or professional school
University Of Tennessee, Hsc, College Of Medicine, 2001
Telehealth
Offers telehealth (CMS)
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 3601 The Vanderbilt Clinic

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

  1. Kristie AamodtPediatric Endocrinology Physician1780115931
  2. Hibo Abdi, APRNGerontology Nurse Practitioner1336761758
  3. Hodan Abdi, NPFamily Nurse Practitioner1710383922
  4. Cecilia Abello, PA-CPhysician Assistant1760336101
  5. Ahad Abid, MDInternal Medicine Physician1316500176
  6. Yara Aboshady, MDObstetrics & Gynecology Physician1558998971

Verify Melissa Eaton Hixson 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 39159
    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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16% more Medicare Part D claims than the average internal medicine physician in 2024

3,686 Medicare Part D claims for 221 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 176 claims were for opioids.

  1. Melissa Hixson3,686
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium203 claims
  2. Amlodipine Besylate125 claims
  3. Hydrocodone-Acetaminophen121 claims
  4. Levothyroxine Sodium118 claims
  5. Lisinopril112 claims
  6. Pantoprazole Sodium94 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.

The MIPS final score for 2023 (Medicare payment program): 97.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $18.34

1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Melissa Hixson$18.34
  2. Specialty average$1,303.06

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

One hospital affiliation

  1. Vanderbilt University Medical CenterNashville, TN · Acute Care Hospitals5 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Melissa Eaton Hixson among 2,596 internal medicine physician records in Tennessee

Melissa Eaton Hixson, MD is one of 2,596 internal medicine physician records with a practice address in Tennessee. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 85% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2001 · median 2003 among the 1,705 with a school on file
  • Record last updated2022 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

613 internal medicine physician records list a practice address in Nashville

They are 613 of the 24,357 NPPES records with a practice address in Nashville, and 2,596 internal medicine physician records in Tennessee.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Billy Copeland, M.D.Nashville, TN 372321669473716
  2. Nancy Davis, MDNashville, TN 372321932153244
  3. Jennifer DebrulerNashville, TN 372321588656524
  4. Tiffany Hines, MDNashville, TN 372321164468906
  5. Martha Leonard, MDNashville, TN 372321699717819
  6. Michael Matheny, MD, MS, MPHNashville, TN 372321275579427
  7. Harvey Murff, M.D.Nashville, TN 372321063445641
  8. Deborah Newitz, MDNashville, TN 372321083694251

Common questions

What is Melissa Eaton Hixson, MD's NPI number?

Melissa Eaton Hixson, MD's National Provider Identifier (NPI) is 1407843089, issued on Sep 29, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Melissa Eaton Hixson, MD located?

The NPPES record lists a practice address at 3601 The Vanderbilt Clinic, Nashville, TN, 37232. Phone: (615) 322-3000. Providers update this record themselves, so call before visiting.

How can I verify Melissa Eaton Hixson, MD's license?

NPPES lists Tennessee license number 39159, 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 Melissa Eaton Hixson, MD prescribe under Medicare Part D?

In 2024, Melissa Eaton Hixson, MD had 3,686 Medicare Part D claims for 221 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Melissa Eaton Hixson, MD's MIPS final score?

The 2023 MIPS final score is 97.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.