Dr Leo Koenig, MD - Medicare Family Practice in La Grange, IL

Dr Leo Koenig, MD is a medicare enrolled "Family Medicine" physician in La Grange, Illinois. He went to Loyola University Of Chicago, Stritch School Of Medicine and graduated in 1974 and has 50 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Adventist Midwest Health, Adventist Midwest Health and his current practice location is 1325 Community Memorial Dr, La Grange, Illinois. You can reach out to his office (for appointments etc.) via phone at (708) 245-8900.

Dr Leo Koenig is licensed to practice in Illinois (license number 36051868) 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 1013967322.

Contact Information

Dr Leo Koenig, MD
1325 Community Memorial Dr,
La Grange, IL 60525-2659
(708) 245-8900
(708) 245-5604

Map and Direction




Physician's Profile

Full NameDr Leo Koenig
GenderMale
SpecialityFamily Practice
Experience50 Years
Location1325 Community Memorial Dr, La Grange, 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:
  • Dr Leo Koenig attended and graduated from Loyola University Of Chicago, Stritch School Of Medicine in 1974
  NPI Data:
  • NPI Number: 1013967322
  • Provider Enumeration Date: 05/10/2006
  • Last Update Date: 03/19/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 6709949977
  • Enrollment ID: I20090114000319

Medical Identifiers

Medical identifiers for Dr Leo Koenig such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1013967322NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 36051868 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Adventist Hinsdale HospitalHinsdale, ILHospital
Adventist La Grange Memorial HospitalLa grange, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Adventist Midwest Health276979040112
Adventist Midwest Health448655672710

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. Dr Leo Koenig allows following entities to bill medicare on his behalf.
Entity NameAdventist Midwest Health
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1962570382
PECOS PAC ID: 4486556727
Enrollment ID: O20040126000676
Entity NameAdventist Midwest Health
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1821156068
PECOS PAC ID: 8224025887
Enrollment ID: O20040427000900
Entity NameAdventist Midwest Health
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1912353822
PECOS PAC ID: 2769790401
Enrollment ID: O20160606001457

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. Dr Leo Koenig 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
Dr Leo Koenig, MD
1325 Community Memorial Dr,
La Grange, IL 60525-2659

Ph: (708) 245-8900
Dr Leo Koenig, MD
1325 Community Memorial Dr,
La Grange, IL 60525-2659

Ph: (708) 245-8900

Reviews and Comments


Family Medicine Doctors in La Grange, IL

Sarah Kay Welch, DO
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1325 Community Memorial Dr, La Grange, IL 60525
Phone: 708-245-8900    Fax: 708-245-5604
Dr. Daphne Tessalee, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1325 Community Memorial Dr, La Grange, IL 60525
Phone: 708-245-8900    Fax: 708-245-5604
Katarzyna Helena Rogala, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1325 Community Memorial Dr, La Grange, IL 60525
Phone: 708-245-8900    
Dr. Clodagh Therese Ryan, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1400 W 47th St Ste 1, La Grange, IL 60525
Phone: 708-571-2272    Fax: 281-667-0104
Dr. Andrea Ocampo Colada, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1323 Memorial Drive, Ste 214, La Grange, IL 60525
Phone: 708-245-8900    Fax: 708-245-5604
Vince Bartolomeo, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1415 W 47th St, La Grange, IL 60525
Phone: 708-579-9375    Fax: 708-579-9378

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.