Konstantina Kalas, OD - Medicare Optometrist in Downers Grove, IL

Konstantina Kalas, OD is a medicare enrolled "Optometrist" provider in Downers Grove, Illinois. She went to Indiana University - School Of Optometry and graduated in 2020 and has 4 years of diverse experience with area of expertise as Optometry. She is a member of the group practice Midwestern University and 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.

Konstantina Kalas is licensed to practice in Illinois (license number 046011421) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1831750652.

Contact Information

Konstantina Kalas, OD
3450 Lacey Rd,
Downers Grove, IL 60515-5430
(630) 743-4500
(630) 743-4537

Map and Direction




Healthcare Provider's Profile

Full NameKonstantina Kalas
GenderFemale
SpecialityOptometry
Experience4 Years
Location3450 Lacey Rd, Downers Grove, Illinois
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Konstantina Kalas attended and graduated from Indiana University - School Of Optometry in 2020
  NPI Data:
  • NPI Number: 1831750652
  • Provider Enumeration Date: 06/24/2019
  • Last Update Date: 10/20/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 6709110265
  • Enrollment ID: I20210125000616

Medical Identifiers

Medical identifiers for Konstantina Kalas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1831750652NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist 18004170A (Indiana)Secondary
152W00000XOptometrist 046011421 (Illinois)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Midwestern University6305734773112

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. Konstantina Kalas 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. Konstantina Kalas 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
Konstantina Kalas, OD
3450 Lacey Rd,
Downers Grove, IL 60515-5430

Ph: (630) 743-4500
Konstantina Kalas, OD
3450 Lacey Rd,
Downers Grove, IL 60515-5430

Ph: (630) 743-4500

Reviews and Comments


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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.