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Edit this profileWhere to find Derek R. St Louis, MD
- Troy location main office
44201 Dequindre Rd, Troy, MI 48085 - Grand Rapids location
221 Michigan St NE Ste 402, Grand Rapids, MI 49503 - Lenox location
36555 26 Mile Rd Ste 1400, Lenox, MI 48048 - Lenox location
36555 26 Mile Rd Ste 3000, Lenox, MI 48048 - Royal Oak location
3601 W 13 Mile Rd, Royal Oak, MI 48073
About Dr. St Louis
Derek R. St Louis, MD practices diagnostic radiology in Troy, MI. Derek is a 2018 graduate of Michigan State University College of Human Medicine. According to Medicare claims data, Derek cared for 359 Medicare patients across 375 services. The services billed most often include ct scan head or brain without contrast, x-ray of chest, 1 view, and ct scan of upper spine without contrast. The provider's National Provider Identifier (NPI) is 1467947762.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (248) 964-5000
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
44201 DEQUINDRE RD
Troy, MI 48085
221 Michigan St NE Ste 402
Grand Rapids, MI 49503
36555 26 Mile Rd Ste 1400
Lenox, MI 48048
36555 26 Mile Rd Ste 3000
Lenox, MI 48048
3601 W 13 Mile Rd
Royal Oak, MI 48073
468 Cadieux Rd
Grosse Pointe, MI 48230
Conditions Evaluated or Diagnosed
Within Diagnostic Radiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Abdomen & Pelvis
- Abdominal Pain
- Appendicitis
- Diverticulitis
- Enlarged prostate
- Gallstones
- Kidney stones
- Liver Lesions
- Ovarian cysts
Bone & Joint
- Ankle Sprain or Fracture
- Bone fractures
- Heel pain
- Hip osteoarthritis
- Osteoporosis
- Rotator cuff tear
- Torn meniscus
Brain & Head
- Brain aneurysm
- Brain tumor
- Concussion in Children
- Migraines
- Sinus infection
- Transient ischemic attack
Brain & nerves
Breast
Chest & Heart
General
Heart & blood vessels
Joint & bone
Liver & digestion
Lungs & breathing
Men's health
Neck & Thyroid
Nerve pain
Pelvic health
Spine
Spine & back
Vascular
Women's health
Procedures & services
Breast Imaging
Abdominal imaging
Biopsies
Bone Density
CT Scan
Digestive & liver
Fluoroscopy
General imaging
Heart & blood vessels
Joint & bone
MRI
Nuclear Medicine
Pelvic imaging
Screening & Prevention
Spine & back
Ultrasound
- Abdominal Ultrasound
- Carotid Ultrasound
- Leg Vein Ultrasound
- Pelvic ultrasound
- Scrotal Ultrasound
- Thyroid ultrasound
- Ultrasound
Urinary & kidney
Women's health
X-Ray
Procedures Most Often Billed to Medicare
375 services · 359 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ct scan head or brain without contrast | Imaging | 70450 |
86 | Less often than most peers in Diagnostic Radiology |
| X-ray of chest, 1 view | Imaging | 71045 |
80 | Less often than most peers in Diagnostic Radiology |
| Ct scan of upper spine without contrast | Imaging | 72125 |
33 | Less often than most peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
32 | Less often than most peers in Diagnostic Radiology |
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
21 | Less often than most peers in Diagnostic Radiology |
| Mri scan of brain before and after contrast | Imaging | 70553 |
20 | Less often than most peers in Diagnostic Radiology |
| Ct scan of chest without contrast | Imaging | 71250 |
18 | Less often than most peers in Diagnostic Radiology |
| Ct scan of blood vessels of chest with contrast | Imaging | 71275 |
17 | Less often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
16 | Less often than most peers in Diagnostic Radiology |
| Ct scan of lower spine without contrast | Imaging | 72131 |
15 | Less often than most peers in Diagnostic Radiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other radiologists at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other radiologists in Troy 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Michigan State University College of Human Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2018 at Michigan State University College of Human Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Ct scan head or brain without contrast 8
Providers in MI who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. St Louis?
Dr. St Louis is a radiologist in Troy, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
What is Dr. St Louis's address?
Dr. St Louis is listed at 44201 Dequindre Rd, Troy, MI 48085. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. St Louis?
The number on file is (248) 964-5000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. St Louis's NPI number?
Dr. St Louis's National Provider Identifier is 1467947762. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. St Louis train?
Dr. St Louis attended Michigan State University College of Human Medicine, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. St Louis been practicing?
Dr. St Louis has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. St Louis perform?
According to Medicare billing data, Dr. St Louis performs imaging including ct scan head or brain without contrast and x-ray of chest, 1 view. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. St Louis confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. St Louis. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.