Ellen F. Liuzza, MD
Internal Medicine Physician · Oak Ridge, TN
Ellen F. Liuzza, MD is an internal medicine physician with a practice address in Oak Ridge, Tennessee, and NPI 1437158920, issued on Jul 18, 2005. Check the license on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ellen F. Liuzza
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 41358 KY
Self-reported in NPPES; status is on the state search - Practice location
- 100 Vermont Ave, Oak Ridge, TN 37830
- Phone
- (865) 482-1777
- Enumerated
- Jul 18, 2005
- Record last updated
- Oct 31, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (865) 482-1030
- Medicaid IDs
- Q017377 TN
7100083480 KY - Medicare enrollment
- Enrolled (PECOS I20040514000646); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1993
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 100 Vermont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shere Conway, M.D.Family Medicine Physician1619959798
- Olga Gardner, FNP-BCFamily Nurse Practitioner1013481522
Verify Ellen F. Liuzza in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average internal medicine physician in 2024
7,502 Medicare Part D claims for 612 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 102 claims were for opioids.
Most prescribed
- Levothyroxine Sodium460 claims
- Atorvastatin Calcium407 claims
- Pravastatin Sodium316 claims
- Amlodipine Besylate273 claims
- Lisinopril264 claims
- Losartan Potassium255 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): 95.8 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Covenant Medical Group IncOak Ridge, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ellen F. Liuzza among 2,596 internal medicine physician records in Tennessee
Ellen F. Liuzza, 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
- Graduated1993 · median 2003 among the 1,705 with a school on file
- Record last updated2016 · 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).
22 internal medicine physician records list a practice address in Oak Ridge
They are 22 of the 904 NPPES records with a practice address in Oak Ridge, and 2,596 internal medicine physician records in Tennessee.
All 2,596 in Tennessee → Every provider in Oak Ridge → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nawras Baban, M.D.Oak Ridge, TN 378301225075021
- Helen Bidawid, M.D.Oak Ridge, TN 378301114968856
- Arnold Bridges, M.D.Oak Ridge, TN 378301831131887
- Daniel Duzan, M.D.Oak Ridge, TN 378301518900091
- Srini Eranki, M.D.Oak Ridge, TN 378301205873007
- Christopher Frost, M.D.Oak Ridge, TN 378301881635928
- James Giles, MDOak Ridge, TN 378301487681466
- Wesley Hayes, M.D.Oak Ridge, TN 378301780603084
Common questions
What is Ellen F. Liuzza, MD's NPI number?
Ellen F. Liuzza, MD's National Provider Identifier (NPI) is 1437158920, issued on Jul 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ellen F. Liuzza, MD located?
The NPPES record lists a practice address at 100 Vermont Ave, Oak Ridge, TN, 37830. Phone: (865) 482-1777. Providers update this record themselves, so call before visiting.
How can I verify Ellen F. Liuzza, MD's license?
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 Ellen F. Liuzza, MD prescribe under Medicare Part D?
In 2024, Ellen F. Liuzza, MD had 7,502 Medicare Part D claims for 612 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Ellen F. Liuzza, MD's MIPS final score?
The 2023 MIPS final score is 95.8 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.