NPPES file of Aug 9, 2026

Elizabeth Ann Rees, MD

Emergency Medicine Physician · Oak Ridge, TN

Elizabeth Ann Rees, MD is an emergency medicine physician with a practice address in Oak Ridge, Tennessee, and NPI 1093940413, issued on May 29, 2009. Check the license (Tennessee 48747, 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
1093940413
Name
Elizabeth Ann Rees
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
48747 TN
2011-01945 NC
Self-reported in NPPES; status is on the state search
Practice location
990 Oak Ridge Tpke, Oak Ridge, TN 37830
Phone
(865) 835-3408
Enumerated
May 29, 2009
Record last updated
Jul 14, 2023
Medicare enrollment
Enrolled (PECOS I20151217002666); accepts Medicare assignment
Medical or professional school
University Of Florida College Of Medicine, 2009
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 990 Oak Ridge Tpke

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

  1. Jacob Agner, DOEmergency Medicine Physician1285212100
  2. Charles Ashley, D.PH.Pharmacist1932136124
  3. Cindy Ayo, OTD, OTR/LOccupational Therapist1083778757
  4. Nawras Baban, M.D.Internal Medicine Physician1225075021
  5. Dell Bailey, CRNACertified Registered Nurse Anesthetist1316197882
  6. Jeff Baker, D.PH.Pharmacist1851311351

Verify Elizabeth Ann Rees 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 48747
    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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44% fewer Medicare Part D claims than the average emergency medicine physician in 2024

126 Medicare Part D claims for 86 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Elizabeth Rees126
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt14 claims
  2. Cephalexin11 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

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

Industry payments in 2024: $47.53

3 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Elizabeth Rees$47.53
  2. Specialty average$953.79

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. Wake Forest Emergency ProvidersGreensboro, NC

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

Elizabeth Ann Rees among 1,174 emergency medicine physician records in Tennessee

Elizabeth Ann Rees, 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 2009, is newer than 56% of them.

  • NPI issued2009 · 56% of these records are older, 41% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2009 · median 2012 among the 667 with a school on file
  • Record last updated2023 · 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. Jacob Agner, DOOak Ridge, TN 378301285212100
  2. James Eppert, M.D.Oak Ridge, TN 378301184752024
  3. Anthony Garton, M.D.Oak Ridge, TN 378301790726891
  4. Michael Lapaglia, M.D.Oak Ridge, TN 378301902020548
  5. John Mesmer, M.D.Oak Ridge, TN 378301518914951
  6. Jennifer Mozingo, M.D.Oak Ridge, TN 378301710928395
  7. Joseph Palatinus, M.D.Oak Ridge, TN 378301982645248
  8. Chukwuma Umunakwe, M.D.Oak Ridge, TN 378301013276815

Common questions

What is Elizabeth Ann Rees, MD's NPI number?

Elizabeth Ann Rees, MD's National Provider Identifier (NPI) is 1093940413, issued on May 29, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth Ann Rees, MD located?

The NPPES record lists a practice address at 990 Oak Ridge Tpke, Oak Ridge, TN, 37830. Phone: (865) 835-3408. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth Ann Rees, MD's license?

NPPES lists Tennessee license number 48747, 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 Elizabeth Ann Rees, MD prescribe under Medicare Part D?

In 2024, Elizabeth Ann Rees, MD had 126 Medicare Part D claims for 86 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Elizabeth Ann Rees, MD's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.