Mark T. Stephan, MD
Diagnostic Radiology Physician · Lafayette, LA
Mark T. Stephan, MD is a diagnostic radiology physician with a practice address in Lafayette, Louisiana, and NPI 1578550794, issued on Oct 3, 2005. Check the license (Louisiana 16703, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark T. Stephan
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 16703 LA
Self-reported in NPPES; status is on the state search - Practice location
- 2311 Kaliste Saloom RD, Lafayette, LA 70508
- Phone
- (337) 261-5151
- Enumerated
- Oct 3, 2005
- Record last updated
- Oct 26, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 1389552 LA
- Medicare enrollment
- Enrolled (PECOS I20040628001097); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 1982
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 506 in Louisiana → Look up another NPI →
Also registered at 2311 Kaliste Saloom RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rodney Burns, MDDiagnostic Radiology Physician1164419370
- Matthew Grant, MDDiagnostic Radiology Physician1902010093
- Lena Omar, M.D.Diagnostic Radiology Physician1265751259
Verify Mark T. Stephan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 16703Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
23 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 94.9 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
- Acadiana Radiology GroupAbbeville, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark T. Stephan among 506 diagnostic radiology physician records in Louisiana
Mark T. Stephan, MD is one of 506 diagnostic radiology physician records with a practice address in Louisiana. 74% 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, 83% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1982 · median 2001 among the 351 with a school on file
- Record last updated2007 · 69% 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 Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Louisiana
There are 506 diagnostic radiology physician records in Louisiana.
All 506 in Louisiana → Every provider in Lafayette → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Allen Acomb, M.D.Lafayette, LA 705081417275793
- Rodney Burns, MDLafayette, LA 705081164419370
- Rodney Florek, M.D.Lafayette, LA 705081043269343
- James Godchaux, M.D.Lafayette, LA 705081922092311
- James Godchaux, M.D.Lafayette, LA 705081174506182
- Matthew Grant, MDLafayette, LA 705081902010093
- Blaine Hoppe, MDLafayette, LA 705081942234190
- David Jewell, MDLafayette, LA 705081386631463
Common questions
What is Mark T. Stephan, MD's NPI number?
Mark T. Stephan, MD's National Provider Identifier (NPI) is 1578550794, issued on Oct 3, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark T. Stephan, MD located?
The NPPES record lists a practice address at 2311 Kaliste Saloom RD, Lafayette, LA, 70508. Phone: (337) 261-5151. Providers update this record themselves, so call before visiting.
How can I verify Mark T. Stephan, MD's license?
NPPES lists Louisiana license number 16703, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark T. Stephan, MD prescribe under Medicare Part D?
In 2024, Mark T. Stephan, MD had 23 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. Part D covers Medicare prescriptions only.
What is Mark T. Stephan, MD's MIPS final score?
The 2023 MIPS final score is 94.9 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.