Stephen J. Pieper, MD
Clinical Cardiac Electrophysiology Physician · Saint Louis, MO
Stephen J. Pieper, MD is a clinical cardiac electrophysiology physician with a practice address in Saint Louis, Missouri, and NPI 1144214297, issued on Sep 6, 2005. Check the license (Missouri R5N46, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Stephen J. Pieper
- Credential
- MD
- Primary taxonomy
- Clinical Cardiac Electrophysiology Physician 207RC0001X
- License numbers
- R5N46 MO
036-093138 IL
138830 MN
34928 MN
Self-reported in NPPES; status is on the state search - Practice location
- 450 N New Ballas RD, Saint Louis, MO 63141
- Phone
- (314) 991-6969
- Enumerated
- Sep 6, 2005
- Record last updated
- Jan 19, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (314) 997-6969
- Medicaid ID
- 1144214297 MO
- Medicare enrollment
- Enrolled (PECOS I20100608000492); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest clinical cardiac electrophysiology physician records → All 73 in Missouri → Look up another NPI →
Also registered at 450 N New Ballas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carolyn Bequette, AUDAudiologist1528215852
- Christopher Black, CRNAAnesthesiology Physician1427219286
- Mary Blatt, ODOptometrist1437154499
- Patricia Cole, MDCardiovascular Disease Physician1821081712
- Steven Couch, MDOphthalmology Physician1578590634
- Joseph Craft, M.D.Cardiovascular Disease Physician1568423721
Verify Stephen J. Pieper in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R5N46Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024
666 Medicare Part D claims for 164 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.
Most prescribed
- Eliquis228 claims
- Amiodarone Hcl84 claims
- Metoprolol Succinate66 claims
- Xarelto52 claims
- Carvedilol44 claims
- Atenolol26 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 89.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,151.87
18 payments; by number, the most common kind was food and beverage; the largest payer was Impulse Dynamics (USA) Inc. The 3,167 providers of this specialty with any payment received $10,651.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Stephen J. Pieper among 73 clinical cardiac electrophysiology physician records in Missouri
Stephen J. Pieper, MD is one of 73 clinical cardiac electrophysiology physician records with a practice address in Missouri. 96% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 96% of these records are
- In the CMS Doctors and Clinicians fileYes · 89% of these records are
- Graduated1988 · median 2003 among the 65 with a school on file
- Record last updated2016 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0001X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Cardiac Electrophysiology Physician providers in Missouri
There are 73 clinical cardiac electrophysiology physician records in Missouri.
All 73 in Missouri → Every provider in Saint Louis → Clinical Cardiac Electrophysiology Physician nationwide →
The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes
- Amit Doshi, M.D.Saint Louis, MO 631411750505582
- Ali Mehdirad, M.D.Saint Louis, MO 631411093770257
- Eric Nordsieck, MDSaint Louis, MO 631411538494042
- Justin Pieper, MDSaint Louis, MO 631411528597846
- Paban Saha, MDSaint Louis, MO 631411275698144
- Jose Sanchez, MDSaint Louis, MO 631411346336815
- Saulius Kalvaitis, MDSaint Louis, MO 631361023218278
- Andrew Krainik, MDSaint Louis, MO 631311821010968
Common questions
What is Stephen J. Pieper, MD's NPI number?
Stephen J. Pieper, MD's National Provider Identifier (NPI) is 1144214297, issued on Sep 6, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stephen J. Pieper, MD located?
The NPPES record lists a practice address at 450 N New Ballas RD, Saint Louis, MO, 63141. Phone: (314) 991-6969. Providers update this record themselves, so call before visiting.
How can I verify Stephen J. Pieper, MD's license?
NPPES lists Missouri license number R5N46, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephen J. Pieper, MD prescribe under Medicare Part D?
In 2024, Stephen J. Pieper, MD had 666 Medicare Part D claims for 164 beneficiaries; the average among clinical cardiac electrophysiology physician prescribers was 1,710. Part D covers Medicare prescriptions only.
What is Stephen J. Pieper, MD's MIPS final score?
The 2023 MIPS final score is 89.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.