John Marcus Legan, MD
Diagnostic Radiology Physician · Dyersburg, TN
John Marcus Legan, MD is a diagnostic radiology physician with a practice address in Dyersburg, Tennessee, and NPI 1790779130, issued on Aug 31, 2005. Check the license (Tennessee MD25386, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Marcus Legan
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- MD25386 TN
Self-reported in NPPES; status is on the state search - Practice location
- 400 E Tickle St, Dyersburg, TN 38024
- Phone
- (731) 285-2346
- Enumerated
- Aug 31, 2005
- Record last updated
- Jan 11, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 3083641 TN
- Medicare enrollment
- Enrolled (PECOS I20220806000110); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 968 in Tennessee → Look up another NPI →
Also registered at 400 E Tickle St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Donna Buss, PHARMDPharmacist1770376691
- Cary Carter, CRNACertified Registered Nurse Anesthetist1730679689
- Laura Conner, MS, RD, LDNRegistered Dietitian1699105262
- Kerri CunninghamCertified Registered Nurse Anesthetist1770865594
Verify John Marcus Legan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD25386Check 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 practice group's MIPS final score for 2023 (Medicare payment program): 75.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Mid-South Imaging And Therapeutics, P.A.Jonesboro, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Marcus Legan among 968 diagnostic radiology physician records in Tennessee
John Marcus Legan, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 81% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1985 · median 2004 among the 657 with a school on file
- Record last updated2010 · 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).
4 diagnostic radiology physician records list a practice address in Dyersburg
They are 4 of the 385 NPPES records with a practice address in Dyersburg, and 968 diagnostic radiology physician records in Tennessee.
All 968 in Tennessee → Every provider in Dyersburg → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Mark Jones, MDDyersburg, TN 380241487648861
- Thomas Thompson, MDDyersburg, TN 380241104810589
- James Wolfe, MDDyersburg, TN 380241598759987
- Culver Craddock, M.D.Cordova, TN 380161669816310
- Steven Repka, M.D.Knoxville, TN 379951841463627
- Muhammad Afzal, M.D.,M.B.B.SMemphis, TN 381031598988073
- Thomas Boulden, MDMemphis, TN 381031467455642
- Andrew Brittan, MDMemphis, TN 381031376512434
Common questions
What is John Marcus Legan, MD's NPI number?
John Marcus Legan, MD's National Provider Identifier (NPI) is 1790779130, issued on Aug 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Marcus Legan, MD located?
The NPPES record lists a practice address at 400 E Tickle St, Dyersburg, TN, 38024. Phone: (731) 285-2346. Providers update this record themselves, so call before visiting.
How can I verify John Marcus Legan, MD's license?
NPPES lists Tennessee license number MD25386, 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.
What is John Marcus Legan, MD's MIPS final score?
The 2023 MIPS final score is 75.8 of 100, reported for the practice group. 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.