Charles E Geringer, MD - Medicare Rheumatology in Olympia Fields, IL

Charles E Geringer, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Olympia Fields, Illinois. He went to Northwestern University Feinberg Medical School and graduated in 1979 and has 45 years of diverse experience with area of expertise as Rheumatology. He is a member of the group practice Specialty Physicians Of Illinois Llc and his current practice location is 3700 W 203rd St Ste 209, Olympia Fields, Illinois. You can reach out to his office (for appointments etc.) via phone at (708) 679-2884.

Charles E Geringer is licensed to practice in Illinois (license number 036063321) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1235195702.

Contact Information

Charles E Geringer, MD
3700 W 203rd St Ste 209,
Olympia Fields, IL 60461-1182
(708) 679-2884
(708) 679-2836

Map and Direction




Physician's Profile

Full NameCharles E Geringer
GenderMale
SpecialityRheumatology
Experience45 Years
Location3700 W 203rd St Ste 209, Olympia Fields, Illinois
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Charles E Geringer attended and graduated from Northwestern University Feinberg Medical School in 1979
  NPI Data:
  • NPI Number: 1235195702
  • Provider Enumeration Date: 04/25/2006
  • Last Update Date: 03/19/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 8325170897
  • Enrollment ID: I20100719000724

Medical Identifiers

Medical identifiers for Charles E Geringer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1235195702NPI-NPPES
036063321MedicaidIL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology 036063321 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Franciscan Health Olympia Fields & Chicago HeightsOlympia fields, ILHospital
Ingalls Memorial HospitalHarvey, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Specialty Physicians Of Illinois Llc4183529456105

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. Charles E Geringer allows following entities to bill medicare on his behalf.
Entity NameSpecialty Physicians Of Illinois Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124075676
PECOS PAC ID: 4183529456
Enrollment ID: O20031201000602

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. Charles E Geringer 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
Charles E Geringer, MD
Po Box 781076,
Detroit, MI 48278-1076

Ph: (317) 528-4800
Charles E Geringer, MD
3700 W 203rd St Ste 209,
Olympia Fields, IL 60461-1182

Ph: (708) 679-2884

Reviews and Comments


Internal Medicine Doctors in Olympia Fields, IL

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Phone: 708-747-6929    Fax: 708-747-6929

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.