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Diagnostic Radiology

Derek St Louis, MD

Works at hospitals in Farmington Hills, MI · Grosse Pointe, MI · Royal Oak, MI … · Michigan

Summary

Derek St Louis, MD (Diagnostic Radiology) is listed by Medicare at 4 hospitals in Farmington Hills, MI, Grosse Pointe, MI and Royal Oak, MI and other places. NPI 1467947762. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Derek St Louis, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
Michigan State University College Of Human MedicineMedical school
MaleGender (as listed)
Beaumont Medical Group Hospital Based ServicesGroup practice

Quick answers

Which hospitals does Derek St Louis work at?
Medicare's official clinician data lists Derek St Louis at 4 hospitals: Beaumont Hospital - Farmington Hills, Beaumont Hospital - Grosse Pointe, Beaumont Hospital Royal Oak and Beaumont Hospital, Troy. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Derek St Louis see patients?
Medicare's clinician data lists 9 practice locations, including Farmington Hills, MI, Royal Oak, MI and Troy, MI. Call before your visit to confirm the address.
What is Derek St Louis's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does Derek St Louis accept Medicare assignment?
Yes. Medicare's clinician data says Derek St Louis accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Derek St Louis?
(248) 551-1550, as listed in official Medicare / NPI Registry data.
What is Derek St Louis's NPI number?
1467947762. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Derek St Louis works

Medicare's Facility Affiliation Data lists Derek St Louis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Derek St Louis is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.

  • 28050 Grand River AveFarmington Hills, MI 48336
  • 3555 W 13 Mile Rd, N120 Corewell Health William Beaumont UniveRoyal Oak, MI 48073 (248) 551‑1550
  • 3577 W 13 Mile RdRoyal Oak, MI 48073
  • 3581 W 13 Mile Rd Bcc, Beaumont Breast Care Center RoRoyal Oak, MI 48073 (248) 551‑3300
  • 3601 W 13 Mile RdRoyal Oak, MI 48073

Group practices

Medicare enrollment lists Derek St Louis as a member of this group (CMS data updated 2026-10-02).

  • Beaumont Medical Group Hospital Based Services584 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Michigan →

Other radiologists in Farmington Hills

Clinicians with the same Medicare primary specialty in Farmington Hills, MI — not a recommendation.

All radiologists in Farmington Hills →

Clinician information

CredentialMD
Medical schoolMichigan State University College Of Human Medicine
Graduation year2018
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467947762
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians