John Vasilios Dennison, MD
Neuroradiology Physician · Louisville, KY
John Vasilios Dennison, MD is a neuroradiology physician with a practice address in Louisville, Kentucky, and NPI 1619339058, issued on Mar 24, 2016. Check the license (Kentucky C6044, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- John Vasilios Dennison
- Credential
- MD
- Primary taxonomy
- Neuroradiology Physician 2085N0700X
- License numbers
- C6044 KY
92623 GA
01100895A IN
RTL21-0600 NC
Self-reported in NPPES; status is on the state search - Practice location
- 231 E Chestnut St, Louisville, KY 40202
- Phone
- (502) 629-7650
- Enumerated
- Mar 24, 2016
- Record last updated
- Aug 4, 2026
- Fax
- (502) 629-7663
- Medicare enrollment
- Enrolled (PECOS I20220923002419); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest neuroradiology physician records → All 22 in Kentucky → Look up another NPI →
Also registered at 231 E Chestnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tabatha Alrayes, DOPediatrics Physician1336673219
- Jessica Pearl Alvarez, CRNACertified Registered Nurse Anesthetist1831852672
- Sydney AmickStudent in an Organized Health Care Education/Training Program1548055262
Verify John Vasilios Dennison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license C6044Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 92.3 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
- The Emory Clinic IncAtlanta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Vasilios Dennison among 22 neuroradiology physician records in Kentucky
John Vasilios Dennison, MD is one of 22 neuroradiology physician records with a practice address in Kentucky. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 73% of them.
- NPI issued2016 · 73% of these records are older, 18% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2016 · median 2004 among the 18 with a school on file
- Record last updated2026 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085N0700X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neuroradiology Physician providers in Kentucky
There are 22 neuroradiology physician records in Kentucky.
All 22 in Kentucky → Every provider in Louisville → Neuroradiology Physician nationwide →
The 8 neuroradiology physician records with the nearest ZIP codes
- Mohammad Arabi, MDLouisville, KY 402021720242308
- Robert Bert, MDLouisville, KY 402021508941139
- John Butman, M.D.Louisville, KY 402021639505142
- Richard Downs, MDLouisville, KY 402021538118468
- Ramin Hamidi, D.O.Louisville, KY 402021780899351
- Gregory Postel, M.D.Louisville, KY 402021750385191
- Curtis Given, MDLexington, KY 405031699717751
- Edward Escott, MDLexington, KY 405361083687974
Common questions
What is John Vasilios Dennison, MD's NPI number?
John Vasilios Dennison, MD's National Provider Identifier (NPI) is 1619339058, issued on Mar 24, 2016. An NPI identifies a provider in billing; it is not a license.
Where is John Vasilios Dennison, MD located?
The NPPES record lists a practice address at 231 E Chestnut St, Louisville, KY, 40202. Phone: (502) 629-7650. Providers update this record themselves, so call before visiting.
How can I verify John Vasilios Dennison, MD's license?
NPPES lists Kentucky license number C6044, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is John Vasilios Dennison, MD's MIPS final score?
The 2023 MIPS final score is 92.3 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.