NPPES file of Aug 9, 2026

Ron M. Oren, MD

Advanced Heart Failure and Transplant Cardiology Physician · Naperville, IL

Ron M. Oren, MD is an advanced heart failure and transplant cardiology physician with a practice address in Naperville, Illinois, and NPI 1366422438, issued on Jan 17, 2006. Check the license (Illinois 036130701, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1366422438
Name
Ron M. Oren
Credential
MD
Primary taxonomy
Advanced Heart Failure and Transplant Cardiology Physician 207RA0001X
License numbers
036130701 IL
036-130701 IL
MD-27129 IA
01097002A IN
628 WI
Self-reported in NPPES; status is on the state search
Practice location
801 S Washington St FL 4, Naperville, IL 60540
Phone
(630) 600-0700
Enumerated
Jan 17, 2006
Record last updated
May 5, 2026
Fax
(630) 600-0701
Medicaid ID
1299560 IA
Medicare enrollment
Enrolled (PECOS I20200122000995); accepts Medicare assignment
Medical or professional school
Rush Medical College Of Rush University, 1986
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 801 S Washington St FL 4

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Laura Badur, FNP-BCFamily Nurse Practitioner1386212975
  2. Abigail Bingham, APRNAcute Care Nurse Practitioner1548752843
  3. Maria Rosa Costanzo, MDAdvanced Heart Failure and Transplant Cardiology Physician1073564860
  4. Ann Davis, MDCardiovascular Disease Physician1528012846
  5. Krishna Nagendran, MDInterventional Cardiology Physician1265674691
  6. Abdullah Quddus, M.D.Interventional Cardiology Physician1578851515

Verify Ron M. Oren in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036130701
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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92% fewer Medicare Part D claims than the average advanced heart failure and transplant cardiology physician in 2024

153 Medicare Part D claims for 51 beneficiaries, against an average of 1,965 among the 1,124 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Ron Oren153
  2. Specialty average1,965

Most prescribed

  1. Atorvastatin Calcium28 claims
  2. Bisoprolol Fumarate27 claims
  3. Eliquis16 claims
  4. Metoprolol Tartrate11 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.

Industry payments in 2024: $21.65

1 payment: food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 1,027 providers of this specialty with any payment received $10,265.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ron Oren$22
  2. Specialty average$10,266

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Froedtert Manitowoc Medical Group, LLCSheboygan, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ron M. Oren among 63 advanced heart failure and transplant cardiology physician records in Illinois

Ron M. Oren, MD is one of 63 advanced heart failure and transplant cardiology physician records with a practice address in Illinois. 98% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 87% newer
  • In a Medicare fileYes · 98% of these records are
  • In the CMS Doctors and Clinicians fileYes · 92% of these records are
  • Graduated1986 · median 2010 among the 58 with a school on file
  • Record last updated2026 · 24% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Advanced Heart Failure and Transplant Cardiology Physician providers in Illinois

There are 63 advanced heart failure and transplant cardiology physician records in Illinois.

The 8 advanced heart failure and transplant cardiology physician records with the nearest ZIP codes

  1. Maria Rosa Costanzo, MDNaperville, IL 605401073564860
  2. Deep ShahNaperville, IL 605401295266450
  3. Stanislaw Skaluba, MDNaperville, IL 605401528011988
  4. Owais Malick, MDDowners Grove, IL 605151326337130
  5. Faraz Ahmad, MDChicago, IL 606111932333473
  6. Sarah Chuzi, M.D.Chicago, IL 606111578980785
  7. Ike Okwuosa, MDChicago, IL 606111386962389
  8. Yasmin Raza, MDChicago, IL 606111417396185

Common questions

What is Ron M. Oren, MD's NPI number?

Ron M. Oren, MD's National Provider Identifier (NPI) is 1366422438, issued on Jan 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ron M. Oren, MD located?

The NPPES record lists a practice address at 801 S Washington St FL 4, Naperville, IL, 60540. Phone: (630) 600-0700. Providers update this record themselves, so call before visiting.

How can I verify Ron M. Oren, MD's license?

NPPES lists Illinois license number 036130701, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ron M. Oren, MD prescribe under Medicare Part D?

In 2024, Ron M. Oren, MD had 153 Medicare Part D claims for 51 beneficiaries; the average among advanced heart failure and transplant cardiology physician prescribers was 1,965. Part D covers Medicare prescriptions only.

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.