Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. Jonas Aaron Cooper, MD

Individual provider Cardiovascular Disease Physician · NPI 1154499499

Dr. Jonas Aaron Cooper, MD practises Cardiac Electrophysiology in Chesterfield, Missouri. Graduated from Washington University School of Medicine in 2001, 25 years ago. Practices with St Louis Electrophysiology Specialists LLC, a 5-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
25
Trained at
Washington University School of Medicine
Licensed in
MO
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

121 Saint Lukes Center Dr Ste 404
Chesterfield, MO 63017-3519
Phone: (636) 685-7738
Fax: (314) 590-5927
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 121 Saint Lukes Center Dr Ste 501, Chesterfield, MO 63017-3519 — (636) 685-7738

Specialties & licences

Clinical Cardiac Electrophysiology Physician (primary) Taxonomy 207RC0001X · Licence 2004018040 (MO)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 2004018040 (MO)

Record details

NPI number1154499499
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 4, 2006
Last updated in NPPESNovember 11, 2021
Certification dateNovember 11, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIAC ELECTROPHYSIOLOGY
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolWASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice St Louis Electrophysiology Specialists Llc — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Pacemaker insertion or repair 32 times · 80th percentile

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients1,193
Services billed 7,112 a service is one billed item, such as a visit, a test or a procedure
Average patient age79

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Consulting Fee $7,605 1 payment
Food and Beverage $1,754 80 payments · a meal or drink at a meeting or visit, not a fee
Education $39 4 payments · educational material or training, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at St Louis Electrophysiology Specialists LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice.

Other providers in Chesterfield