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RONALD C GREGUS M.D.
NPI 1205953684
Preventive Medicine - Preventive Medicine/Occupational Environmental Medicine in Aurora, IL

Active since March 23, 2007PECOS Enrolled
4000 OGDEN AVE, AURORA, IL 60504(615) 778-4066 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ronald C Gregus M.d. NPPES

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

RONALD C GREGUS M.D. (NPI 1205953684) is an individual preventive medicine/occupational environmental medicine provider in Aurora, Illinois, licensed in Illinois (036-083618) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1205953684
Entity TypeIndividualMale
Primary Taxonomy2083P0500X
Provider Legal NameRONALD C GREGUSCredential: M.D.
Location Address4000 OGDEN AVEAurora, IL 60504-7105
Mailing Address720 Cool Springs Blvd, Suite 300Franklin, TN 37067-2626 · (615) 778-4066 · Fax (615) 778-9114
Phone(615) 778-4066
Sole ProprietorNo
Enumeration DateMarch 23, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1205953684 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPreventive Medicine · Preventive Medicine/Occupational Environmental MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2083P0500X
License✔ Licensed in IL · 036-083618
Definition
A preventive medicine physician who specializes in preventive medicine/occupational-environmental medicine, which is focused on protecting the population from occupational and environmental conditions.
4000 OGDEN AVE, Aurora, IL 60504
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ronald C Gregus M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60504 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
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
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.

Other Providers at the Same Location NPPES 6

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

OCCSPECIALISTS PC
Clinic/Center (Health Service)
4000 OGDEN AVE
AURORA, IL 60504
Dupage County (630) 820-8963
AMERICAN CURRENT CARE OF ILLINOIS PC
Clinic/Center (Urgent Care)
4000 OGDEN AVE
AURORA, IL 60504
Dupage County (630) 820-8963
US MEDGROUP OF ILLINOIS PC
Clinic/Center (Health Service)
4000 OGDEN AVE
AURORA, IL 60504
Dupage County (630) 820-8963
OCCUPATIONAL HEALTH CENTERS OF ILLINOIS PC
Clinic/Center (Multi-Specialty)
4000 OGDEN AVE
AURORA, IL 60504
Dupage County (630) 820-8963
DARRYL JOHN MCNEIL PT,MTC
Physical Therapist
4000 OGDEN AVE
AURORA, IL 60504
Dupage County (630) 820-8963
DR. SONAL N BHATT M.D
Internal Medicine
4000 OGDEN AVE
AURORA, IL 60504
Dupage County (630) 820-8963

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 Ronald Gregus's NPI number?

The NPI number for Ronald Gregus is 1205953684. It was assigned to this individual provider in the NPPES registry on March 23, 2007.

Where is Ronald Gregus located?

Ronald Gregus practices at 4000 Ogden Ave, Aurora, IL 60504. The listed phone number is (615) 778-4066.

What is Ronald Gregus's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Preventive Medicine/Occupational Environmental Medicine, with taxonomy code 2083P0500X.

Is Ronald Gregus enrolled in Medicare?

Yes. Ronald Gregus is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ronald Gregus was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.