John L Baker, OD - Medicare Optometrist in Chicago, IL

  1. Home
  2. Optometrists
  3. IL
  4. Chicago
John L Baker, OD is a medicare enrolled "Optometrist" provider in Chicago, Illinois. He went to Pennsylvania College Of Optometry and graduated in 1984 and has 42 years of diverse experience with area of expertise as Optometry. He is a member of the group practice Midwestern University and his current practice location is 3241 S Michigan Ave, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (630) 743-4500.

John L Baker is licensed to practice in Illinois (license number 046008191) 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 1447243936.

Contact Information

John L Baker, OD
3241 S Michigan Ave,
Chicago, IL 60616-4201
(630) 743-4500
(630) 743-4537

Map and Direction




Healthcare Provider's Profile

Full NameJohn L Baker
GenderMale
SpecialityOptometry
Experience42 Years
Location3241 S Michigan Ave, Chicago, 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:
  • John L Baker attended and graduated from Pennsylvania College Of Optometry in 1984
  NPI Data:
  • NPI Number: 1447243936
  • Provider Enumeration Date: 08/30/2005
  • Last Update Date: 10/06/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 2567500499
  • Enrollment ID: I20091112000436

Medical Identifiers

Medical identifiers for John L Baker such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1447243936NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist 046008191 (Illinois)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Midwestern University6305734773116

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. John L Baker allows following entities to bill medicare on his 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. John L Baker 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
John L Baker, OD
3450 Lacey Rd,
Downers Grove, IL 60515-5430

Ph: (630) 743-4500		John L Baker, OD
3241 S Michigan Ave,
Chicago, IL 60616-4201

Ph: (630) 743-4500

Reviews and Comments


Optometrist in Chicago, IL

America's Best Eyecare And Eyewear
Optometrist
Medicare: Not Enrolled in Medicare
Practice Location: 205 W. 87th Street, Suite D, Chicago, IL 60620
Phone: 773-496-5433    
Primary Eye Care Associates
Optometrist
Medicare: Medicare Enrolled
Practice Location: 5460 S Archer Ave, Chicago, IL 60638
Phone: 773-735-6090    Fax: 773-581-0320
Dr. Mary Gouris, OD
Optometrist
Medicare: May Accept Medicare Assignments
Practice Location: 225 N Michigan Ave, Chicago, IL 60601
Phone: 312-819-0199    
Aneta Anna Stoch, OD
Optometrist
Medicare: Medicare Enrolled
Practice Location: 3457 W 111th St, Chicago, IL 60655
Phone: 773-253-2175    
Solo Eye Care Printers Row, Pllc
Optometrist
Medicare: Not Enrolled in Medicare
Practice Location: 555 S Dearborn St, Chicago, IL 60605
Phone: 312-588-5999    Fax: 312-225-5309
Dr. Thomas W Goska, O.D.
Optometrist
Medicare: Accepting Medicare Assignments
Practice Location: 3627 N Western Ave, Chicago, IL 60618
Phone: 773-525-2022    Fax: 773-525-2024
Dr. James Gerard Roth, O.D.
Optometrist
Medicare: Not Enrolled in Medicare
Practice Location: 6857 S Pulaski Rd, Chicago, IL 60629
Phone: 773-767-5000    Fax: 773-767-5176

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.