Dr. Michael Rene Chardack, MD
- Medicare services, 2024
- 13
- Medicare patients, 2024
- 51
- Part D claims, 2024
- 33
- Hospital affiliations
- 1
- Industry payments
- $308
- Practice address
- 615 New Ballas Road, Saint Louis, MO 63141
- Practice phone
- Call (314) 251-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chardack's professional email, personal email and mobile number
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Dr. Michael Rene Chardack is an orthopedic surgeon in Saint Louis, Missouri
Dr. Chardack practices at Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
Dr. Chardack's NPI, 1679520944, was assigned on May 30, 2006. Dr. Chardack graduated from Georgetown University School of Medicine in 1987. Dr. Chardack holds Utah license 52080611205.
- NPI
- 1679520944NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325941198
- NPI enumeration date
- May 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 251-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Rene Chardack practices at Mercy Hospital St. Louis in Saint Louis, Missouri
Dr. Chardack's primary practice is Mercy Hospital St. Louis, at 615 New Ballas Road, Saint Louis, MO 63141 in St. Louis County. The practice phone is (314) 251-6000.
- Mercy Hospital St. Louis615 New Ballas Road, Saint Louis, MO 63141 · St. Louis CountyPhone(314) 251-6000
Source: Dmand AI Affiliation Data
Dr. Michael Rene Chardack is affiliated with 1 site of care and 1 medical group
Dr. Chardack's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. The medical group on file is Mercy Clinic Trauma and General Surgery.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael Rene Chardack's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chardack practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital St. Louis | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Mercy and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Michael Rene Chardack is one of 417 orthopedic surgeons in Missouri
Orthopaedic surgery is Dr. Chardack's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Chardack is licensed in Utah.
Specialties and state licenses
- Orthopaedic surgery, UtahPrimary
Orthopedic surgeons near Dr. Chardack
Counts of orthopedic 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 Rene Chardack billed Medicare for 13 services in 2024
CMS data shows 13 Medicare services from Dr. Chardack across 1 procedure code in 2024, for 51 Medicare patients. Medicare paid $12,033 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chardack's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 182024: 1328%
Dr. Chardack compared with the Missouri median for orthopedic surgeons, 2024
- Dr. Chardack
- Missouri median
- Medicare services
- 13vs 84998% below
- Medicare patients
- 51vs 23178% below
- Part D claims
- 15vs 15690% below
Medians across 414 orthopedic surgeons in Missouri with Dmand AI profiles that report each measure.
Dr. Chardack'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chardack and other orthopedic surgeons in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Rene Chardack treated 51 Medicare patients in 2024, average age 75
CMS counts 51 Medicare patients who saw Dr. Chardack in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have high blood pressure, and 73% have high cholesterol. Their average risk score is 1.73, 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. Chardack's median patient age at 75, with 72% women.
Dr. Chardack's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chardack's Medicare patients by sex, 2024
- Women3263%
- Men1937%
Chronic conditions among Dr. Chardack's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis71%
- Anxiety55%
- Mood disorders49%
- Depression43%
- Chronic kidney disease37%
- Osteoporosis33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chardack'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
- Women72%
- Men27%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Rene Chardack wrote 33 Medicare Part D claims in 2024
In 2024, Dr. Chardack wrote 33 Medicare Part D claims for 28 patients. 94% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $158 in total drug cost. In 2019, CMS named 52 claims across 3 drugs.
Dr. Chardack's Part D claims by kind of drug, 2024
- Generic31 claims94%
- Brand-name and other2 claims6%
Dr. Chardack'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. Chardack's Part D claims, 2024
- Opioids82%27 of 33 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, 2019 to 2024
- 2019
- 2024
- Claims for drugs CMS names
- 2019: 522024: 1571%
Drugs named by CMS: 1 in 2024, 3 in 2019.
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
How Dr. Michael Rene Chardack takes part in Medicare
Dr. Chardack accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Michael Rene Chardack received $308 in industry payments from 2016 to 2025
CMS Open Payments shows 9 general payments to Dr. Chardack from 4 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Medical Device Business Services, Inc. paid the most, $122.
General payments to Dr. Chardack by program year, 2016 to 2025
Companies that paid Dr. Chardack the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Rene Chardack graduated from Georgetown University School of Medicine
Dr. Chardack graduated from Georgetown University School of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Rene Chardack's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael Rene Chardack
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 Rene Chardack's NPI number?
Dr. Michael Rene Chardack's NPI number is 1679520944. It was assigned on May 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Rene Chardack?
Dr. Michael Rene Chardack is an orthopedic surgeon in Saint Louis, Missouri. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Michael Rene Chardack practice?
Dr. Chardack practices at 615 New Ballas Road, Saint Louis, MO 63141. Dr. Chardack's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
What is Dr. Michael Rene Chardack's office phone number?
The practice phone on file for Dr. Chardack is (314) 251-6000.
What is Dr. Michael Rene Chardack's medical license number?
Dr. Chardack holds Utah license 52080611205.
Which hospitals is Dr. Michael Rene Chardack affiliated with?
Dr. Chardack practices at Mercy Hospital St. Louis in Saint Louis, Missouri.
What medical group is Dr. Michael Rene Chardack part of?
Dr. Chardack is linked to Mercy Clinic Trauma and General Surgery.
Does Dr. Michael Rene Chardack accept Medicare?
Yes. CMS data shows Dr. Chardack billed Medicare for 13 services in 2024, and Dr. Chardack accepts Medicare assignment.
How many Medicare patients does Dr. Michael Rene Chardack see?
CMS counts 51 Medicare patients who saw Dr. Chardack in 2024, with an average age of 75.
What services does Dr. Michael Rene Chardack bill to Medicare?
In 2024, Dr. Chardack's most billed Medicare services were surgery: bones and joints (27245).
Show 4 more questionsShow fewer questions
Where did Dr. Michael Rene Chardack go to medical school?
Dr. Chardack graduated from Georgetown University School of Medicine in 1987.
What drugs does Dr. Michael Rene Chardack prescribe most?
In 2024 Medicare Part D data, Dr. Chardack's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Michael Rene Chardack received payments from drug or device companies?
CMS Open Payments shows $308 in general payments to Dr. Chardack from 4 companies from 2016 to 2025. The largest total came from Medical Device Business Services, Inc.
How long has Dr. Michael Rene Chardack been practicing?
Dr. Chardack graduated from medical school in 1987, 39 years ago.
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