Steven Addonizio, MD
Diagnostic Radiology Physician · Knoxville, TN
Steven Addonizio, MD is a diagnostic radiology physician with a practice address in Knoxville, Tennessee, and NPI 1184604811, issued on Jan 19, 2006. Check the license (Tennessee MD16222, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Steven Addonizio
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- MD16222 TN
Self-reported in NPPES; status is on the state search - Practice location
- 2001 Laurel Ave, Knoxville, TN 37916
- Phone
- (865) 766-6870
- Enumerated
- Jan 19, 2006
- Record last updated
- Jul 23, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (865) 766-0133
- Medicaid IDs
- 3372353 TN
3034827 TN - Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 968 in Tennessee → Look up another NPI →
Also registered at 2001 Laurel Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Gerald Borrelli, M.D.Nephrology Physician1871599084
- James Burkhart, MDOrthopaedic Surgery Physician1154314607
Verify Steven Addonizio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD16222Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
13 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Steven Addonizio among 968 diagnostic radiology physician records in Tennessee
Steven Addonizio, MD is one of 968 diagnostic radiology physician records with a practice address in Tennessee. 73% 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 19% of them.
- NPI issued2006 · 19% of these records are older, 45% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2015 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
146 diagnostic radiology physician records list a practice address in Knoxville
They are 146 of the 14,339 NPPES records with a practice address in Knoxville, and 968 diagnostic radiology physician records in Tennessee.
All 968 in Tennessee → Every provider in Knoxville → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Michael Adler, M.D.Knoxville, TN 379161386645828
- James Brumit, MDKnoxville, TN 379161306826052
- Hugh Delozier, MDKnoxville, TN 379161548240294
- Daniel Fox, MDKnoxville, TN 379161962405183
- Garth Graham, MDKnoxville, TN 379161790765378
- William Holmes, MDKnoxville, TN 379161518937770
- Steven Knight, M.D.Knoxville, TN 379161861479644
- Frederick McLean, MDKnoxville, TN 379161316927908
Common questions
What is Steven Addonizio, MD's NPI number?
Steven Addonizio, MD's National Provider Identifier (NPI) is 1184604811, issued on Jan 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven Addonizio, MD located?
The NPPES record lists a practice address at 2001 Laurel Ave, Knoxville, TN, 37916. Phone: (865) 766-6870. Providers update this record themselves, so call before visiting.
How can I verify Steven Addonizio, MD's license?
NPPES lists Tennessee license number MD16222, 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 Steven Addonizio, MD prescribe under Medicare Part D?
In 2024, Steven Addonizio, MD had 13 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. 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.