DR. STEPHEN J PIEPER MD
NPI 1144214297
Internal Medicine - Clinical Cardiac Electrophysiology in Saint Louis, MO

Active since September 06, 2005PECOS EnrolledAccepts Medicare Assignment
89.23/100
CMS Quality Rating
450 N NEW BALLAS RD, STE 270 W, SAINT LOUIS, MO 63141(314) 991-6969(314) 997-6969 Get Directions Write a Review

NPPES record last updated: January 19, 2016. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Stephen J Pieper Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STEPHEN J PIEPER MD (NPI 1144214297) is an individual clinical cardiac electrophysiology provider in Saint Louis, Missouri, licensed in Missouri (R5N46) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS and is a graduate of Washington University School Of Medicine (1988).

NPPES Registry Identity

NPI1144214297
Entity TypeIndividualMale
Primary Taxonomy207RC0001X
Provider Legal NameDR. STEPHEN J PIEPERCredential: MD
Location Address450 N NEW BALLAS RD, STE 270 WSaint Louis, MO 63141-6835
Mailing Address450 N New Ballas Rd, Ste 270 WSaint Louis, MO 63141-6835 · (314) 991-6969 · Fax (314) 997-6969
Fax(314) 997-6969
Sole ProprietorNo
Medical School CMSWashington University School Of MedicineGraduated 1988
Enumeration DateSeptember 6, 2005
Last NPPES UpdateJanuary 19, 2016
NPI 1144214297 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RC0001X
Licenses Licensed in MO · R5N46 Licensed in MN · 138830
Definition
A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License R5N46 (MO), 34928 (MN), 036-093138 (IL)
450 N NEW BALLAS RD, Saint Louis, MO 63141

Other Identifiers 10

Other005013185MO · Medicare Prov Id Area 99
Medicare UPINF45288MO
Medicare PINMA1160012MO
OtherCD6536MO · Rr Group 01
Other004012762MO · Medicare Provider Id
OtherCI7050MO · Rr Group 99
Medicaid1144214297MO
Medicare PIN147540023MO
Other000047049MO · Mcare Ccl Group Number
Other990002433MO · Rr Medicare Number

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Stephen J Pieper Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8921035353
PECOS Enrollment IDI20100608000492
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 17

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 93296
This procedure involves remotely monitoring your pacemaker or implantable defibrillator system. Over a 90-day period, we check the device's performance and your heart's activity. This helps ensure the device is functioning properly and providing the best possible support for your heart health.
858 services359 patients
Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 93294
This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.
605 services254 patients
Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 93295
This procedure involves remotely monitoring your implantable defibrillator system, which can have single, dual, or multiple leads. Over a period of up to 90 days, the system's performance is evaluated to ensure it's working properly and providing the necessary heart rhythm support.
257 services109 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
182 services170 patients
Programming of dual lead pacemaker system 93280
Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.
149 services141 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
123 services101 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

89.23/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality84.14
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Clinic/Center (Ambulatory Surgical)
450 N NEW BALLAS RD, STE. 206 SOUTH WING
SAINT LOUIS, MO 63141
Dentist (General Practice)
450 N NEW BALLAS RD, SUITE #200
SAINT LOUIS, MO 63141
Clinic/Center (Ambulatory Surgical)
450 N NEW BALLAS RD, STE 103
SAINT LOUIS, MO 63141
Internal Medicine (Cardiovascular Disease)
450 N NEW BALLAS RD, STE 170W
SAINT LOUIS, MO 63141
Audiologist
450 N NEW BALLAS RD, DEPT OTOLARYNGOLOGY, STE 140
SAINT LOUIS, MO 63141
Physical Medicine & Rehabilitation
450 N NEW BALLAS RD
CREVE COEUR, MO 63141
Internal Medicine (Cardiovascular Disease)
450 N NEW BALLAS RD, STE 270 WEST WING
SAINT LOUIS, MO 63141
Clinic/Center (Recovery Care)
450 N NEW BALLAS RD, SUITE 253
SAINT LOUIS, MO 63141

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stephen Pieper's NPI number?

The NPI number for Stephen Pieper is 1144214297. It was assigned to this individual provider in the NPPES registry on September 6, 2005.

Where is Stephen Pieper located?

Stephen Pieper practices at 450 N New Ballas Rd Ste 270 W, Saint Louis, MO 63141. The listed phone number is (314) 991-6969.

What is Stephen Pieper's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Is Stephen Pieper enrolled in Medicare?

Yes. Stephen Pieper is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Stephen Pieper accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 4 other insurers list Stephen Pieper as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Stephen Pieper was last updated on January 19, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.