Ron M Oren, MD
Cardiovascular Disease (Cardiology) (CMS) · Naperville, IL
At a glance
801 S Washington St Fl 4, Naperville, IL 60540-7430
NPPES record updated Sep 29, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
801 S Washington St Fl 4Naperville, IL 60540-7430
Additional reported practice locations
1201 Michigan Ave Ste 50Logansport, IN 469471580
Phone: 5747531407
Fax: 5747531489 202 10Th St Se Ste 225
Cedar Rapids, IA 524032419
Phone: 3193647101 225 Smith Ave N
Saint Paul, MN 551022533
Phone: 6512900133
Fax: 6512412910 1818 N Meade St
Appleton, WI 549113454
Phone: 9207318900 1404 Cross St Ste 2940
Shiloh, IL 622692988
Phone: 6186073700
Fax: 6186244841
Education & affiliations
- Medical / professional school
- Rush Medical College Of Rush University
- Graduation year
- 1986
- CMS specialties
- Cardiovascular Disease (Cardiology)
Practice groups
Reported hospital affiliations
- Holy Family Memorial Manitowoc, WI
- Memorial Hospital Logansport, IN
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Cardiovascular Disease (Cardiology) (CMS)
- Taxonomy code
- 207RA0001X
- Enumeration date
- Jan 17, 2006
- Record updated
- Sep 29, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207RC0000X
License reported: 628 WI
207RC0000X
License reported: MD-27129 IA
207RC0000X
License reported: 036-130701 IL
207RC0000X
License reported: 01097002A IN
207RA0001X · Primary
License reported: 036130701 IL
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
801 S Washington St Fl 4Naperville, IL 60540-7430
- Phone
- (630) 600-0700
- Fax
- (630) 600-0701
Mailing address
801 S WASHINGTON ST FL 4NAPERVILLE, IL 605407430
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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