Dr. Stephen J. Pieper, MD
- Medicare services, 2024
- 2,574
- Medicare patients, 2024
- 465
- Part D claims, 2024
- 666
- Publications
- 3
- MIPS score, 2024
- 93
- Practice address
- 121 St Lukes Center Dr, Chesterfield, MO 63017
- Practice phone
- Call (314) 991-6969
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Heart Care Specialists
Chesterfield, Missouri
Find Dr. Pieper's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Stephen J. Pieper is a cardiac electrophysiologist in Chesterfield, Missouri
Dr. Pieper practices at Heart Care Specialists in Chesterfield, Missouri.
Dr. Pieper's NPI, 1144214297, was assigned on September 6, 2005. Dr. Pieper graduated from Washington University School of Medicine in 1988. Dr. Pieper holds Missouri license R5N46.
- NPI
- 1144214297NPI Registry (opens in a new tab)
- NPI enumeration date
- September 6, 2005
- NPI status
- Active
- Practice phone
- (314) 991-6969
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Stephen J. Pieper practices at Heart Care Specialists in Chesterfield, Missouri
Dr. Pieper's primary practice is Heart Care Specialists, at 121 St Lukes Center Dr, Chesterfield, MO 63017 in Saint Louis County. The practice phone is (314) 991-6969.
- Heart Care Specialists121 St Lukes Center Dr, Chesterfield, MO 63017 · Saint Louis CountyPhone(314) 991-6969
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Stephen J. Pieper is affiliated with 2 sites of care and 1 medical group
Dr. Pieper's primary practice is Heart Care Specialists in Chesterfield, Missouri. The medical group on file is St. Luke's Cardiology - Heart Health Specialists. Dmand AI also links Dr. Pieper to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Stephen J. Pieper's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pieper practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Heart Care Specialists | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen J. Pieper is one of 64 cardiac electrophysiologists in Missouri
Clinical cardiac electrophysiology is Dr. Pieper's primary specialty in the NPI Registry, under taxonomy code 207RC0001X. Dmand AI has Dr. Pieper's licenses on file in 3 states: Missouri, Illinois and Minnesota.
Specialties and state licenses
- Clinical cardiac electrophysiology, MissouriPrimary
- Illinois license
- Minnesota license
Cardiac electrophysiologists near Dr. Pieper
Counts of cardiac electrophysiologists 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. Stephen J. Pieper billed Medicare for 2,574 services in 2024
CMS data shows 2,574 Medicare services from Dr. Pieper across 17 procedure codes in 2024, for 465 Medicare patients. Medicare paid $77,952 for them. Every service was in an office.
Dr. Pieper's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2,5192024: 2,20912%
- Office and hospital visits
- 2023: 3992024: 3659%
- Other services
- 2023: 282024: 0100%
Dr. Pieper compared with the Missouri median for cardiac electrophysiologists, 2024
- Dr. Pieper
- Missouri median
- Medicare services
- 2,574vs 2,458Close to median
- Medicare patients
- 465vs 70634% below
- Part D claims
- 615vs 1,96469% below
Medians across 63 cardiac electrophysiologists in Missouri with Dmand AI profiles that report each measure.
Dr. Pieper'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.
Need commercial claims for Dr. Pieper?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Pieper and other cardiac electrophysiologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen J. Pieper treated 465 Medicare patients in 2024, average age 80
CMS counts 465 Medicare patients who saw Dr. Pieper in 2024. The largest group is 75 to 84, with 175 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.87, 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. Pieper's median patient age at 80, with 37% women.
Dr. Pieper's Medicare patients by age, 2024
Dr. Pieper's Medicare patients by sex, 2024
- Women22248%
- Men24352%
Chronic conditions among Dr. Pieper's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Atrial fibrillation71%
- Heart failure62%
- Ischemic heart disease57%
- Arthritis49%
- Chronic kidney disease39%
- Diabetes32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Pieper's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women37%
- Men63%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen J. Pieper wrote 666 Medicare Part D claims in 2024
In 2024, Dr. Pieper wrote 666 Medicare Part D claims for 164 patients. 54% of them were for generic drugs. CMS names the drug for 615 of them, across 12 drugs with 11 or more claims each, at $334,284 in total drug cost. In 2023, CMS named 589 claims across 12 drugs.
Dr. Pieper's Part D claims by kind of drug, 2024
- Generic357 claims54%
- Brand-name309 claims46%
Dr. Pieper'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5892024: 6154%
Drugs named by CMS: 12 in 2024, 12 in 2023.
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. Stephen J. Pieper 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. Pieper for performance year 2024, reported through an alternative payment model (APM).
Dr. Pieper'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.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Stephen J. Pieper has 3 publications on record
Dmand AI links 3 papers to Dr. Pieper, published from 2014 to 2022. Dr. Pieper's most frequent co-authors are Amit Arvind Doshi, MD, Thomas Kanjapalill Kurian, MD and Ajit Haldipur Janardhan, MD, PhD.
Dr. Pieper's papers by year, 2014 to 2022
Dr. Pieper's most frequent co-authors
- Amit Arvind Doshi, MD2 shared papers
- Thomas Kanjapalill Kurian, MD2 shared papers
- Ajit Haldipur Janardhan, MD, PhD1 shared paper
Recent publications by Dr. Pieper
See who Dr. Pieper researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Pieper works with, so you can find a warm path to the right cardiac electrophysiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Stephen J. Pieper received $10,908 in industry payments from 2016 to 2025
CMS Open Payments shows 116 general payments to Dr. Pieper from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 47% of the total. Abbott Laboratories paid the most, $4,678.
General payments to Dr. Pieper by program year, 2016 to 2025
General payments to Dr. Pieper by kind, 2016 to 2025
- Food and beverage$5,16447%
- Consulting fees$3,37531%
- Travel and lodging$1,68315%
- Education$6866%
Companies that paid Dr. Pieper 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. Stephen J. Pieper graduated from Washington University School of Medicine
Dr. Pieper graduated from Washington University School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen J. Pieper'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Stephen J. Pieper
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. Stephen J. Pieper's NPI number?
Dr. Stephen J. Pieper's NPI number is 1144214297. It was assigned on September 6, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen J. Pieper?
Dr. Stephen J. Pieper is a cardiac electrophysiologist in Chesterfield, Missouri. The primary specialty in the NPI Registry is Clinical Cardiac Electrophysiology Physician (taxonomy code 207RC0001X).
Where does Dr. Stephen J. Pieper practice?
Dr. Pieper practices at 121 St Lukes Center Dr, Chesterfield, MO 63017. Dr. Pieper's primary practice is Heart Care Specialists in Chesterfield, Missouri. Dmand AI also links Dr. Pieper to 1 group practice or clinic.
What is Dr. Stephen J. Pieper's office phone number?
The practice phone on file for Dr. Pieper is (314) 991-6969.
What is Dr. Stephen J. Pieper's medical license number?
Dr. Pieper holds Missouri license R5N46, one of the licenses on file in 3 states.
Which states has Dr. Stephen J. Pieper been licensed in?
Dmand AI has state licenses on file for Dr. Pieper in Missouri, Illinois and Minnesota.
What medical group is Dr. Stephen J. Pieper part of?
Dr. Pieper is linked to St. Luke's Cardiology - Heart Health Specialists.
Does Dr. Stephen J. Pieper accept Medicare?
Yes. CMS data shows Dr. Pieper billed Medicare for 2,574 services in 2024.
What is Dr. Stephen J. Pieper's MIPS score?
Dr. Pieper'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. Stephen J. Pieper see?
CMS counts 465 Medicare patients who saw Dr. Pieper in 2024, with an average age of 80.
Show 7 more questionsShow fewer questions
What services does Dr. Stephen J. Pieper bill to Medicare?
In 2024, Dr. Pieper's most billed Medicare services were heart test or procedure (93296), heart test or procedure (93294) and heart test or procedure (93295).
Where did Dr. Stephen J. Pieper go to medical school?
Dr. Pieper graduated from Washington University School of Medicine in 1988.
What drugs does Dr. Stephen J. Pieper prescribe most?
In 2024 Medicare Part D data, Dr. Pieper's most prescribed drugs by claims were Eliquis, Amiodarone HCl and Metoprolol Succinate.
Has Dr. Stephen J. Pieper received payments from drug or device companies?
CMS Open Payments shows $10,908 in general payments to Dr. Pieper from 8 companies from 2016 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Stephen J. Pieper been practicing?
Dr. Pieper graduated from medical school in 1988, 38 years ago.
Does Dr. Stephen J. Pieper do research?
Dmand AI links 3 publications to Dr. Pieper, published from 2014 to 2022.
Who does Dr. Stephen J. Pieper publish with?
Dr. Pieper's most frequent co-authors are Amit Arvind Doshi, MD (2 shared papers), Thomas Kanjapalill Kurian, MD (2 shared papers) and Ajit Haldipur Janardhan, MD, PhD (1 shared paper).
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