Illinois Internal Medicine Ltd - Medicare Primary Care in Libertyville, IL

Illinois Internal Medicine Ltd is a medicare enrolled primary clinic (Internal Medicine) in Libertyville, Illinois. The current practice location for Illinois Internal Medicine Ltd is 890 Garfield Ave, Suite 209, Libertyville, Illinois. For appointments, you can reach them via phone at (847) 367-3843. The mailing address for Illinois Internal Medicine Ltd is 890 Garfield Ave, # 209, Libertyville, Illinois and phone number is (847) 367-3843.

Illinois Internal Medicine Ltd is licensed to practice in Illinois (license number 042-617825). The clinic also participates in the medicare program and its NPI number is 1659597730. This medical practice accepts medicare insurance (which means this clinic accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance). However, please confirm if they accept your insurance at (847) 367-3843.

Contact Information

Illinois Internal Medicine Ltd
890 Garfield Ave
Suite 209
Libertyville
IL 60048-4723
(847) 367-3843
(847) 367-3063

Map and Direction


Primary Care Clinic Profile

Full NameIllinois Internal Medicine Ltd
SpecialityInternal Medicine
Location890 Garfield Ave, Libertyville, Illinois
Authorized Official Name and PositionMark James Chyna (PRESIDENT)
Authorized Official Contact8473673060
Accepts Medicare InsuranceYes. This clinic participates in medicare program and accept medicare insurance.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Illinois Internal Medicine Ltd
890 Garfield Ave
# 209
Libertyville
IL 60048-4723

Ph: (847) 367-3843
Illinois Internal Medicine Ltd
890 Garfield Ave
Suite 209
Libertyville
IL 60048-4723

Ph: (847) 367-3843

NPI Details:

NPI Number1659597730
Provider Enumeration Date04/17/2007
Last Update Date12/14/2008

Medicare PECOS Information:

Medicare PECOS PAC ID8628173606
Medicare Enrollment IDO20070419000527

Medical Identifiers

Medical identifiers for Illinois Internal Medicine Ltd such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1659597730NPI-NPPES
1740273507OtherILMARK CHYNA MD INDIV. NPI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 042-617825 (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. Illinois Internal Medicine Ltd acts as a billing entity for following providers:
Provider NameMark J Chyna
Provider TypePractitioner - Internal Medicine
Provider IdentifiersNPI Number: 1740273507
PECOS PAC ID: 2163527144
Enrollment ID: I20070419000536

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.