Ronald C Gregus, MD - Medicare Preventive Medicine in Aurora, IL

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Ronald C Gregus, MD is a medicare enrolled "Preventive Medicine - Preventive Medicine/occupational Environmental Medicine" physician in Aurora, Illinois. His current practice location is 4000 Ogden Ave, Aurora, Illinois. You can reach out to his office (for appointments etc.) via phone at (615) 778-4066.

Ronald C Gregus is licensed to practice in Illinois (license number 036-083618) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1205953684.

Contact Information

Ronald C Gregus, MD
4000 Ogden Ave,
Aurora, IL 60504-7105
(615) 778-4066
Not Available

Map and Direction




Physician's Profile

Full NameRonald C Gregus
GenderMale
SpecialityPreventive Medicine - Preventive Medicine/occupational Environmental Medicine
Location4000 Ogden Ave, Aurora, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1205953684
  • Provider Enumeration Date: 03/23/2007
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 6204926686
  • Enrollment ID: I20071221000460

Medical Identifiers

Medical identifiers for Ronald C Gregus such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1205953684NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2083P0500XPreventive Medicine - Preventive Medicine/occupational Environmental Medicine 036-083618 (Illinois)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Ronald C Gregus allows following entities to bill medicare on his behalf.
Entity NamePhysicians Immediate Care North Chicago Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205814118
PECOS PAC ID: 8729064159
Enrollment ID: O20040626000381

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Ronald C Gregus is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Ronald C Gregus, MD
720 Cool Springs Blvd, Suite 300,
Franklin, TN 37067-2626

Ph: (615) 778-4066		Ronald C Gregus, MD
4000 Ogden Ave,
Aurora, IL 60504-7105

Ph: (615) 778-4066

Reviews and Comments


Preventive Medicine Doctors in Aurora, IL

Ryan Lee Basden,
Preventive Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 347 S Gladstone Ave, Aurora, IL 60506
Phone: 618-973-0615    
Dr. Charles Graham Woodward, M.D.
Preventive Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1320 N. Highland Ave., Aurora, IL 60506
Phone: 630-859-8159    Fax: 630-859-8474
Eric Raul Simental,
Preventive Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1014 Claim St, Aurora, IL 60505
Phone: 630-674-0898    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.