Dr. Derek Richard St Louis, MD

  • Troy, MI
  • Diagnostic radiologist
NPI1467947762PAC ID1456695733
Medicare services, 2024
375
Medicare patients, 2024
435
Publications
5
MIPS score, 2024
90
Hospital affiliations
3
Practice address
44201 Dequindre Road, Troy, MI 48085
Practice phone
Call (248) 964-8800
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Corewell Health Beaumont Troy Hospital

Hospital · Troy, Michigan

See all 5 affiliations

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Dr. Derek Richard St Louis is a diagnostic radiologist in Troy, Michigan

Dr. St Louis practices at Corewell Health Beaumont Troy Hospital in Troy, Michigan, part of Corewell Health.

Dr. St Louis' NPI, 1467947762, was assigned on June 28, 2018. Dr. St Louis graduated from Michigan State University College of Human Medicine in 2018. Dr. St Louis holds Michigan license 4301115571.

NPI and contact details
Medicare PAC ID
1456695733
NPI enumeration date
June 28, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(248) 964-8800
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
34
Medical school graduation
2018

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Derek Richard St Louis practices at Corewell Health Beaumont Troy Hospital in Troy, Michigan

Dr. St Louis' primary practice is Corewell Health Beaumont Troy Hospital, at 44201 Dequindre Road, Troy, MI 48085 in Oakland County. The practice phone is (248) 964-8800.

Source: Dmand AI Affiliation Data

Dr. Derek Richard St Louis is affiliated with 3 sites of care and 2 medical groups

Dr. St Louis' primary practice is Corewell Health Beaumont Troy Hospital in Troy, Michigan, part of Corewell Health. Dr. St Louis is also affiliated with Corewell Health William Beaumont University Hospital. The medical group on file is Medical Education Associates. Dmand AI also links Dr. St Louis to 1 more hospital and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. St Louis

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Derek Richard St Louis' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. St Louis practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Corewell Health Beaumont Troy HospitalAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Derek Richard St Louis is one of 1,181 diagnostic radiologists in Michigan

Diagnostic radiology is Dr. St Louis' primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. St Louis is licensed in Michigan.

Specialties and state licenses

  • Diagnostic radiology, MichiganPrimaryLicense 4301115571 · taxonomy 2085R0202X

Diagnostic radiologists near Dr. St Louis

Counts of diagnostic radiologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Derek Richard St Louis billed Medicare for 375 services in 2024

CMS data shows 375 Medicare services from Dr. St Louis across 13 procedure codes in 2024, for 435 Medicare patients. Medicare paid $12,030 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024375
Medicare patients435
Paid by Medicare$12,030
Procedure codes13

Dr. St Louis compared with the Michigan median for diagnostic radiologists, 2024

  • Dr. St Louis
  • Michigan median
Medicare services
375vs 1,65877% below
Medicare patients
435vs 1,30167% below

Medians across 1,132 diagnostic radiologists in Michigan with Dmand AI profiles that report each measure.

Dr. St Louis' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. St Louis

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Derek Richard St Louis treated 435 Medicare patients in 2024, average age 76

CMS counts 435 Medicare patients who saw Dr. St Louis in 2024. The largest group is 75 to 84, with 170 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 2.12, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. St Louis' median patient age at 63, with 57% women.

Medicare patients, 2024435
Average age76
Average risk score2.12
Also on Medicaid15%

Dr. St Louis' Medicare patients by age, 2024

Dr. St Louis' Medicare patients by sex, 2024

  • Women24757%
  • Men18843%

Chronic conditions among Dr. St Louis' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis63%
  4. Ischemic heart disease50%
  5. Chronic kidney disease41%
  6. Diabetes41%
  7. Anxiety37%
  8. Atrial fibrillation37%

Share of Medicare patients with each condition. A patient can have several.

Dr. St Louis' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women57%
  • Men43%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Derek Richard St Louis scored 90 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. St Louis for performance year 2024, reported as part of a group. Dr. St Louis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. St Louis' MIPS scores, performance year 2024

  • 90of 100Final score
  • 85.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 78of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Derek Richard St Louis has 5 publications on record

Dmand AI links 5 papers to Dr. St Louis, published from 2013 to 2017. 2015 was the busiest year, with 2. The most frequent topics are Mice, Inbred C57BL, Premature Birth and Cytokines. Dr. St Louis' most frequent co-author is Saamir A. Hassan.

Papers5
Years published2013 to 2017

Dr. St Louis' papers by year, 2013 to 2017

Topics Dr. St Louis writes about most

  • Mice, Inbred C57BL
  • Premature Birth
  • Cytokines
  • Galactosylceramides
  • Immunophenotyping
  • Lymphocyte Activation
  • Natural Killer T-Cells
  • PPAR gamma

Dr. St Louis' most frequent co-authors

Recent publications by Dr. St Louis

See all 5 publications and co-authors

See who Dr. St Louis researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. St Louis works with, so you can find a warm path to the right diagnostic radiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Derek Richard St Louis received $124 in industry payments in 2019

CMS Open Payments shows 1 general payment to Dr. St Louis from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $124.

Companies that paid Dr. St Louis the most, 2019 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. St Louis

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Derek Richard St Louis graduated from Michigan State University College of Human Medicine

Dr. St Louis graduated from Michigan State University College of Human Medicine in 2018.

  1. Medical schoolMichigan State University College of Human Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Derek Richard St Louis's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Derek Richard St Louis

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Derek Richard St Louis' NPI number?

Dr. Derek Richard St Louis' NPI number is 1467947762. It was assigned on June 28, 2018, and it is active in the NPI Registry.

What kind of doctor is Dr. Derek Richard St Louis?

Dr. Derek Richard St Louis is a diagnostic radiologist in Troy, Michigan. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).

Where does Dr. Derek Richard St Louis practice?

Dr. St Louis practices at 44201 Dequindre Road, Troy, MI 48085. Dr. St Louis' primary practice is Corewell Health Beaumont Troy Hospital in Troy, Michigan, part of Corewell Health. Dmand AI also links Dr. St Louis to 1 hospital and 1 medical group.

What is Dr. Derek Richard St Louis' office phone number?

The practice phone on file for Dr. St Louis is (248) 964-8800.

What is Dr. Derek Richard St Louis' medical license number?

Dr. St Louis holds Michigan license 4301115571.

Which hospitals is Dr. Derek Richard St Louis affiliated with?

Dr. St Louis practices at Corewell Health Beaumont Troy Hospital in Troy, Michigan. Dr. St Louis is also affiliated with Corewell Health William Beaumont University Hospital. Dmand AI links Dr. St Louis to 1 more hospital.

What medical group is Dr. Derek Richard St Louis part of?

Dr. St Louis is linked to Medical Education Associates. Dmand AI links Dr. St Louis to 1 more medical group.

Does Dr. Derek Richard St Louis accept Medicare?

Yes. CMS data shows Dr. St Louis billed Medicare for 375 services in 2024, and Dr. St Louis accepts Medicare assignment.

What is Dr. Derek Richard St Louis' MIPS score?

Dr. St Louis' MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.

How many Medicare patients does Dr. Derek Richard St Louis see?

CMS counts 435 Medicare patients who saw Dr. St Louis in 2024, with an average age of 76.

Show 6 more questionsShow fewer questions

What services does Dr. Derek Richard St Louis bill to Medicare?

In 2024, Dr. St Louis' most billed Medicare services were diagnostic imaging (70450), diagnostic imaging (71045) and diagnostic imaging (72125).

Where did Dr. Derek Richard St Louis go to medical school?

Dr. St Louis graduated from Michigan State University College of Human Medicine in 2018.

Has Dr. Derek Richard St Louis received payments from drug or device companies?

CMS Open Payments shows $124 in general payments to Dr. St Louis from 1 company from 2019 to 2019. The largest total came from Bristol-Myers Squibb Company.

How long has Dr. Derek Richard St Louis been practicing?

Dr. St Louis graduated from medical school in 2018, 8 years ago.

Does Dr. Derek Richard St Louis do research?

Dmand AI links 5 publications to Dr. St Louis, published from 2013 to 2017.

Who does Dr. Derek Richard St Louis publish with?

Dr. St Louis' most frequent co-authors are Saamir A. Hassan (1 shared paper).

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