Mark James Chyna, MD - Medicare Internal Medicine in Libertyville, IL

Mark James Chyna, MD is a medicare enrolled "Internal Medicine" physician in Libertyville, Illinois. He went to University Of Chicago, Pritzker School Of Medicine and graduated in 1993 and has 31 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Legacy Healthcare Services Inc and his current practice location is 890 Garfield Ave, Suite 209, Libertyville, Illinois. You can reach out to his office (for appointments etc.) via phone at (847) 367-3843.

Mark James Chyna is licensed to practice in Illinois (license number 036-092429) 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 1740273507.

Contact Information

Mark James Chyna, MD
890 Garfield Ave, Suite 209,
Libertyville, IL 60048
(847) 367-3843
(847) 367-3063

Map and Direction




Physician's Profile

Full NameMark James Chyna
GenderMale
SpecialityInternal Medicine
Experience31 Years
Location890 Garfield Ave, Libertyville, 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:
  • Mark James Chyna attended and graduated from University Of Chicago, Pritzker School Of Medicine in 1993
  NPI Data:
  • NPI Number: 1740273507
  • Provider Enumeration Date: 08/26/2005
  • Last Update Date: 12/26/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 2163527144
  • Enrollment ID: I20070419000536

Medical Identifiers

Medical identifiers for Mark James Chyna such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1740273507NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 036-092429 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Advocate Condell Medical CenterLibertyville, ILHospital
Northwestern Lake Forest HospitalLake forest, ILHospital

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. Mark James Chyna allows following entities to bill medicare on his behalf.
Entity NameIllinois Internal Medicine Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659597730
PECOS PAC ID: 8628173606
Enrollment ID: O20070419000527

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. Mark James Chyna 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
Mark James Chyna, MD
890 Garfield Ave, Suite 209,
Libertyville, IL 60048-4723

Ph: (847) 367-3843
Mark James Chyna, MD
890 Garfield Ave, Suite 209,
Libertyville, IL 60048

Ph: (847) 367-3843

Reviews and Comments


Internal Medicine Doctors in Libertyville, IL

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Phone: 847-367-0072    Fax: 847-367-0876
Dr. Robert B Johnson, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 755 S. Milwaukee Avenue, Suite 263, Libertyville, IL 60048
Phone: 847-918-1500    Fax: 847-918-1500

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.