NPPES file of Aug 9, 2026

Derek Richard St Louis, MD

Diagnostic Radiology Physician · Troy, MI

Derek Richard St Louis, MD is a diagnostic radiology physician with a practice address in Troy, Michigan, and NPI 1467947762, issued on Jun 28, 2018. Check the license (Michigan 4301115571, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1467947762
Name
Derek Richard St Louis
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
4301115571 MI
Self-reported in NPPES; status is on the state search
Practice location
44201 Dequindre RD, Troy, MI 48085
Phone
(248) 964-5000
Enumerated
Jun 28, 2018
Record last updated
Jun 21, 2024
Medicare enrollment
Enrolled (PECOS I20240628003619); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Human Medicine, 2018
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest diagnostic radiology physician records → All 1,584 in Michigan → Look up another NPI →

Also registered at 44201 Dequindre RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mary A Pogasic, BSN, RNStudent in an Organized Health Care Education/Training Program1184559080
  2. Salma Abd Elhamid, PA-CPhysician Assistant1457245730
  3. Ryan Achrem, PA-CPhysician Assistant1720672736
  4. Aisha Afzal, M.D.Internal Medicine Physician1538474440
  5. Yusaf Ahmed, MDAnesthesiology Physician1174152136
  6. Melissa Akash, PAPhysician Assistant1780950329

Verify Derek Richard St Louis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301115571    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Beaumont Medical Group Hospital Based ServicesFarmington Hills, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Derek Richard St Louis among 1,584 diagnostic radiology physician records in Michigan

Derek Richard St Louis, MD is one of 1,584 diagnostic radiology physician records with a practice address in Michigan. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 85% of them.

  • NPI issued2018 · 85% of these records are older, 13% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2018 · median 2003 among the 1,007 with a school on file
  • Record last updated2024 · 59% 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 Michigan 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 Michigan

There are 1,584 diagnostic radiology physician records in Michigan.

All 1,584 in Michigan → Every provider in Troy → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Kathleen Barry, MDTroy, MI 480851740259712
  2. Brian BergerTroy, MI 480851114996782
  3. David BlinkhornTroy, MI 480851922077395
  4. Kenneth DalenTroy, MI 480851851350763
  5. Patricia Duggan, MDTroy, MI 480851235198243
  6. Marc Flemming, MDTroy, MI 480851639139835
  7. Ghiyath Habra, MDTroy, MI 480851780643288
  8. Paul HarrisTroy, MI 480851730149527

Common questions

What is Derek Richard St Louis, MD's NPI number?

Derek Richard St Louis, MD's National Provider Identifier (NPI) is 1467947762, issued on Jun 28, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Derek Richard St Louis, MD located?

The NPPES record lists a practice address at 44201 Dequindre RD, Troy, MI, 48085. Phone: (248) 964-5000. Providers update this record themselves, so call before visiting.

How can I verify Derek Richard St Louis, MD's license?

NPPES lists Michigan license number 4301115571, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.