Steven John Antonini, MD - Medicare Pediatric Medicine in Mokena, IL

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Steven John Antonini, MD is a medicare enrolled "Pediatrics" physician in Mokena, Illinois. He went to Loyola University Of Chicago, Stritch School Of Medicine and graduated in 1986 and has 38 years of diverse experience with area of expertise as Pediatric Medicine. He is a member of the group practice Health Service Systems, Inc, Hedges Clinic Service Corp and his current practice location is 21205 Owens Rd Ste 3, Mokena, Illinois. You can reach out to his office (for appointments etc.) via phone at (815) 469-2123.

Steven John Antonini is licensed to practice in Illinois (license number 036076951) 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 1114004652.

Contact Information

Steven John Antonini, MD
21205 Owens Rd Ste 3,
Mokena, IL 60448-2023
(815) 469-2123
(815) 469-2149

Map and Direction




Physician's Profile

Full NameSteven John Antonini
GenderMale
SpecialityPediatric Medicine
Experience38 Years
Location21205 Owens Rd Ste 3, Mokena, 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:
  • Steven John Antonini attended and graduated from Loyola University Of Chicago, Stritch School Of Medicine in 1986
  NPI Data:
  • NPI Number: 1114004652
  • Provider Enumeration Date: 11/01/2006
  • Last Update Date: 03/01/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 9436172525
  • Enrollment ID: I20101102001503

Medical Identifiers

Medical identifiers for Steven John Antonini such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1114004652NPI-NPPES
09915014OtherILBLUE CROSS BLUE SHIELD
036076951MedicaidIL
649420OtherMEDICARE PROV #

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics 036-076951 (Illinois)Secondary
207R00000XInternal Medicine 036076951 (Illinois)Secondary
208000000XPediatrics 036076951 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Silver Cross Hospital And Medical CentersNew lenox, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Health Service Systems, Inc226440869935
Hedges Clinic Service Corp24664745567

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. Steven John Antonini allows following entities to bill medicare on his behalf.
Entity NameHealth Service Systems, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1851323257
PECOS PAC ID: 2264408699
Enrollment ID: O20040908000350
Entity NameHedges Clinic Service Corp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1326111600
PECOS PAC ID: 2466474556
Enrollment ID: O20060104000197

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. Steven John Antonini 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
Steven John Antonini, MD
21205 Owens Rd Ste 3,
Mokena, IL 60448-2023

Ph: (815) 469-2123		Steven John Antonini, MD
21205 Owens Rd Ste 3,
Mokena, IL 60448-2023

Ph: (815) 469-2123

Reviews and Comments


Pediatrics Doctors in Mokena, IL

Aileen Mae Donausky, MD
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 21205 Owens Rd Ste 3, Mokena, IL 60448
Phone: 815-469-2123    Fax: 815-469-2149
Adrian Nica, M.D.
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 19401 Wolf Rd, Mokena, IL 60448
Phone: 708-478-7000    Fax: 708-478-7717

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.