Jenelle L Mallios Gialousakis, OD - Medicare Optometrist in Downers Grove, IL

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Jenelle L Mallios Gialousakis, OD is a medicare enrolled "Optometrist" provider in Downers Grove, Illinois. Her current practice location is 3450 Lacey Rd, Downers Grove, Illinois. You can reach out to her office (for appointments etc.) via phone at (630) 743-4500.

Jenelle L Mallios Gialousakis is licensed to practice in Illinois (license number 046011190) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1700190535.

Contact Information

Jenelle L Mallios Gialousakis, OD
3450 Lacey Rd,
Downers Grove, IL 60515-5430
(630) 743-4500
(630) 743-4537

Map and Direction




Healthcare Provider's Profile

Full NameJenelle L Mallios Gialousakis
GenderFemale
SpecialityOptometrist
Location3450 Lacey Rd, Downers Grove, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1700190535
  • Provider Enumeration Date: 08/04/2010
  • Last Update Date: 11/16/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 4082894571
  • Enrollment ID: I20181204001635

Medical Identifiers

Medical identifiers for Jenelle L Mallios Gialousakis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1700190535NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist 046011190 (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. Jenelle L Mallios Gialousakis allows following entities to bill medicare on her behalf.
Provider NameMidwestern University
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1538445317
PECOS PAC ID: 6305734773
Enrollment ID: O20120521000662

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. Jenelle L Mallios Gialousakis 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
Jenelle L Mallios Gialousakis, OD
3450 Lacey Rd,
Downers Grove, IL 60515-5430

Ph: (630) 743-4500		Jenelle L Mallios Gialousakis, OD
3450 Lacey Rd,
Downers Grove, IL 60515-5430

Ph: (630) 743-4500

Reviews and Comments


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Daniel James Deligio, O.D.
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Practice Location: 3450 Lacy Road, Downers Grove, IL 60515
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Dr. Alison Faye Stock, O.D.
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Jessica N Conroy, OD
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Practice Location: 3450 Lacey Rd, Downers Grove, IL 60515
Phone: 630-743-4500    Fax: 630-743-4537
Dr. Linda S Weil, O.D.
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Practice Location: 3800 Highland Ave, Ste. 100, Downers Grove, IL 60515
Phone: 630-960-0456    Fax: 630-960-9521

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.