Dr. Michael Ryan Reidy, MD

  • Chesterfield, MO
  • Cardiothoracic surgeon
NPI1447575964PAC ID8527314038
Medicare services, 2024
425
Medicare patients, 2024
249
Part D claims, 2024
209
Publications
26
MIPS score, 2024
93
Practice address
232 S Woods Mill Rd, Chesterfield, MO 63017
Practice phone
Call (314) 434-1500
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

St. Luke's Hospital

Hospital · Chesterfield, Missouri

See all 8 affiliations

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Dr. Michael Ryan Reidy is a cardiothoracic surgeon in Chesterfield, Missouri

Dr. Reidy practices at St. Luke's Hospital in Chesterfield, Missouri, part of St. Luke's Episcopal-Presbyterian Hospital.

Dr. Reidy's NPI, 1447575964, was assigned on March 29, 2010. Dr. Reidy graduated from Southern Illinois University School of Medicine in 2010. Dr. Reidy holds Missouri license 2018005681.

NPI and contact details
Medicare PAC ID
8527314038
NPI enumeration date
March 29, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(314) 434-1500
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
42
Medical school graduation
2010

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

Dr. Michael Ryan Reidy practices at St. Luke's Hospital in Chesterfield, Missouri

Dr. Reidy's primary practice is St. Luke's Hospital, at 232 S Woods Mill Rd, Chesterfield, MO 63017 in St. Louis County. The practice phone is (314) 434-1500.

  • St. Luke's Hospital
    232 S Woods Mill Rd, Chesterfield, MO 63017 · St. Louis CountyPhone(314) 434-1500

Source: Dmand AI Affiliation Data

Dr. Michael Ryan Reidy is affiliated with 7 sites of care and 1 medical group

Dr. Reidy's primary practice is St. Luke's Hospital in Chesterfield, Missouri, part of St. Luke's Episcopal-Presbyterian Hospital. Dr. Reidy is also affiliated with Mercy Hospital South. The medical group on file is St. Luke's Cardiothoracic Surgery. Dmand AI also links Dr. Reidy to 1 more hospital, 2 home health agencies, 1 breast imaging center and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Dr. Reidy

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

Dmand AI tracks the EHR system at Dr. Michael Ryan Reidy's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Reidy practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
St. Luke's HospitalAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Michael Ryan Reidy is one of 112 cardiothoracic surgeons in Missouri

Thoracic surgery (cardiothoracic vascular surgery) is Dr. Reidy's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Reidy is licensed in Missouri.

Specialties and state licenses

  • Thoracic surgery (cardiothoracic vascular surgery), MissouriPrimaryLicense 2018005681 · taxonomy 208G00000X

Cardiothoracic surgeons near Dr. Reidy

Counts of cardiothoracic surgeons 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. Michael Ryan Reidy billed Medicare for 425 services in 2024

CMS data shows 425 Medicare services from Dr. Reidy across 16 procedure codes in 2024, for 249 Medicare patients. Medicare paid $114,777 for them.

Medicare services, 2024425
Medicare patients249
Paid by Medicare$114,777
Procedure codes16

Dr. Reidy's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3962024: 25336%
Surgery
2023: 1762024: 1722%

Where Dr. Reidy's Medicare services took place, 2024

  • In an office11627%
  • In a facility30973%

Dr. Reidy compared with the Missouri median for cardiothoracic surgeons, 2024

  • Dr. Reidy
  • Missouri median
Medicare services
425vs 1074.0 times
Medicare patients
249vs 1002.5 times
Part D claims
124vs 323.9 times

Medians across 106 cardiothoracic surgeons in Missouri with Dmand AI profiles that report each measure.

Dr. Reidy's 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. Reidy

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

Dr. Michael Ryan Reidy treated 249 Medicare patients in 2024, average age 77

CMS counts 249 Medicare patients who saw Dr. Reidy in 2024. The largest group is 75 to 84, with 120 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.58, 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. Reidy's median patient age at 75, with 34% women.

Medicare patients, 2024249
Average age77
Average risk score1.58

Dr. Reidy's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Reidy's Medicare patients by sex, 2024

  • Women8835%
  • Men16165%

Chronic conditions among Dr. Reidy's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease68%
  4. Atrial fibrillation52%
  5. Arthritis49%
  6. Heart failure49%
  7. Chronic kidney disease38%
  8. Anxiety33%

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

Dr. Reidy's patients across all payers

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

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women34%
  • Men65%

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

Dr. Michael Ryan Reidy wrote 209 Medicare Part D claims in 2024

In 2024, Dr. Reidy wrote 209 Medicare Part D claims for 125 patients. 97% of them were for generic drugs. CMS names the drug for 124 of them, across 2 drugs with 11 or more claims each, at $390 in total drug cost. In 2023, CMS named 166 claims across 4 drugs.

Part D claims, 2024209
Drugs named by CMS2
Total drug cost$390
Part D patients125

Dr. Reidy's Part D claims by kind of drug, 2024

  • Generic202 claims97%
  • Brand-name and other7 claims3%

Dr. Reidy's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Reidy's Part D claims, 2024

  • Opioids59%123 of 209 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1662024: 12425%

Drugs named by CMS: 2 in 2024, 4 in 2023.

See all prescribing by Dr. Reidy

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Michael Ryan Reidy scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Reidy for performance year 2024, reported through an alternative payment model (APM). Dr. Reidy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 36 procedures of coronary artery bypass graft (cabg) by Dr. Reidy, more than 89% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Reidy's MIPS scores, performance year 2024

  • 93of 100Final score
  • 82.2of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

Where Dr. Reidy ranks in Medicare procedure volume

Coronary artery bypass graft (CABG)
89th percentile36 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)

Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

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

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Dr. Michael Ryan Reidy has 26 publications on record

Dmand AI links 26 papers to Dr. Reidy, published from 2011 to 2025. 2022 was the busiest year, with 3. The most frequent topics are Saccharomyces cerevisiae Proteins, Saccharomyces cerevisiae and Heat-Shock Proteins. Dr. Reidy has published most often in Genetics. Dr. Reidy's most frequent co-authors are Joseph S. Coselli, MD, Ourania A. Preventza, MD and Peter Chang Chen, MD.

Papers26
Years published2011 to 2025

Dr. Reidy's papers by year, 2014 to 2025

Topics Dr. Reidy writes about most

  • Saccharomyces cerevisiae Proteins
  • Saccharomyces cerevisiae
  • Heat-Shock Proteins
  • Prions
  • HSP70 Heat-Shock Proteins
  • Molecular Chaperones
  • HSP90 Heat-Shock Proteins
  • Protein Binding

Dr. Reidy's most frequent co-authors

Recent publications by Dr. Reidy

See all 26 publications and co-authors

See who Dr. Reidy researches with

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

How network discovery works

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

Dr. Michael Ryan Reidy received $5,569 in industry payments from 2018 to 2025

CMS Open Payments shows 147 general payments to Dr. Reidy from 29 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 72% of the total. Edwards Lifesciences Corporation paid the most, $3,419.

General payments to Dr. Reidy by program year, 2018 to 2025

General payments to Dr. Reidy by kind, 2018 to 2025

$5.6Kin total
  • Food and beverage$3,98672%
  • Travel and lodging$1,58328%

Companies that paid Dr. Reidy the most, 2018 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Reidy

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

Dr. Michael Ryan Reidy graduated from Southern Illinois University School of Medicine

Dr. Reidy graduated from Southern Illinois University School of Medicine in 2010.

  1. Medical schoolSouthern Illinois University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Michael Ryan Reidy'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)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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)Doctors and Clinicians Utilization Data (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. Michael Ryan Reidy

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. Michael Ryan Reidy's NPI number?

Dr. Michael Ryan Reidy's NPI number is 1447575964. It was assigned on March 29, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael Ryan Reidy?

Dr. Michael Ryan Reidy is a cardiothoracic surgeon in Chesterfield, Missouri. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).

Where does Dr. Michael Ryan Reidy practice?

Dr. Reidy practices at 232 S Woods Mill Rd, Chesterfield, MO 63017. Dr. Reidy's primary practice is St. Luke's Hospital in Chesterfield, Missouri, part of St. Luke's Episcopal-Presbyterian Hospital. Dmand AI also links Dr. Reidy to 1 hospital, 2 home health agencies, 1 breast imaging center and 1 group practice or clinic.

What is Dr. Michael Ryan Reidy's office phone number?

The practice phone on file for Dr. Reidy is (314) 434-1500.

What is Dr. Michael Ryan Reidy's medical license number?

Dr. Reidy holds Missouri license 2018005681.

Which hospitals is Dr. Michael Ryan Reidy affiliated with?

Dr. Reidy practices at St. Luke's Hospital in Chesterfield, Missouri. Dr. Reidy is also affiliated with Mercy Hospital South. Dmand AI links Dr. Reidy to 1 more hospital.

What medical group is Dr. Michael Ryan Reidy part of?

Dr. Reidy is linked to St. Luke's Cardiothoracic Surgery.

Does Dr. Michael Ryan Reidy accept Medicare?

Yes. CMS data shows Dr. Reidy billed Medicare for 425 services in 2024, and Dr. Reidy accepts Medicare assignment.

What is Dr. Michael Ryan Reidy's MIPS score?

Dr. Reidy's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Michael Ryan Reidy see?

CMS counts 249 Medicare patients who saw Dr. Reidy in 2024, with an average age of 77.

Show 7 more questionsShow fewer questions

What services does Dr. Michael Ryan Reidy bill to Medicare?

In 2024, Dr. Reidy's most billed Medicare services were office visit, new patient (99204), hospital inpatient care (99223) and office visit, established patient (99213).

Where did Dr. Michael Ryan Reidy go to medical school?

Dr. Reidy graduated from Southern Illinois University School of Medicine in 2010.

What drugs does Dr. Michael Ryan Reidy prescribe most?

In 2024 Medicare Part D data, Dr. Reidy's most prescribed drugs by claims were Tramadol HCl and Gabapentin.

Has Dr. Michael Ryan Reidy received payments from drug or device companies?

CMS Open Payments shows $5,569 in general payments to Dr. Reidy from 29 companies from 2018 to 2025. The largest total came from Edwards Lifesciences Corporation.

How long has Dr. Michael Ryan Reidy been practicing?

Dr. Reidy graduated from medical school in 2010, 16 years ago.

Does Dr. Michael Ryan Reidy do research?

Dmand AI links 26 publications to Dr. Reidy, published from 2011 to 2025.

Who does Dr. Michael Ryan Reidy publish with?

Dr. Reidy's most frequent co-authors are Joseph S. Coselli, MD (2 shared papers), Ourania A. Preventza, MD (2 shared papers) and Peter Chang Chen, MD (1 shared paper).

Selling to thoracic surgery (cardiothoracic vascular surgery) practices?

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