Mark J Yarshen, DO - Medicare Family Practice in Oswego, IL

Mark J Yarshen, DO is a medicare enrolled "Family Medicine" physician in Oswego, Illinois. He went to Midwestern University, Chicago College Of Osteopathic Med and graduated in 2003 and has 21 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Brazos Valley Community Action Agency, Inc., St Joseph Regional Health Center and his current practice location is 6701 Us Highway 34, Oswego, Illinois. You can reach out to his office (for appointments etc.) via phone at (630) 646-4255.

Mark J Yarshen is licensed to practice in Illinois (license number 036114086) 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 1992714885.

Contact Information

Mark J Yarshen, DO
6701 Us Highway 34,
Oswego, IL 60543-9129
(630) 646-4255
(630) 646-4256

Map and Direction




Physician's Profile

Full NameMark J Yarshen
GenderMale
SpecialityFamily Practice
Experience21 Years
Location6701 Us Highway 34, Oswego, 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 J Yarshen attended and graduated from Midwestern University, Chicago College Of Osteopathic Med in 2003
  NPI Data:
  • NPI Number: 1992714885
  • Provider Enumeration Date: 08/07/2006
  • Last Update Date: 03/09/2009
  Medicare PECOS Information:
  • PECOS PAC ID: 6002814845
  • Enrollment ID: I20201110003328

Medical Identifiers

Medical identifiers for Mark J Yarshen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1992714885NPI-NPPES
036114086 2MedicaidIL
2221474OtherILBCBS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 036114086 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Texas Home Health Group Of College Station LlcCollege station, TXHome health agency
Traditions Health CareCollege station, TXHome health agency
St Joseph Regional Health CenterBryan, TXHospital
Chi St Joseph Health Burleson HospitalCaldwell, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Brazos Valley Community Action Agency, Inc.428454212722
St Joseph Regional Health Center5294727921159

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 J Yarshen allows following entities to bill medicare on his behalf.
Entity NameSt Joseph Regional Health Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669557179
PECOS PAC ID: 5294727921
Enrollment ID: O20040401000670

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 J Yarshen 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 J Yarshen, DO
6701 Us Highway 34,
Oswego, IL 60543-9129

Ph: (630) 646-4255
Mark J Yarshen, DO
6701 Us Highway 34,
Oswego, IL 60543-9129

Ph: (630) 646-4255

Reviews and Comments


Family Medicine Doctors in Oswego, IL

Catherine Chu, M.D.
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Phone: 630-554-3456    
Dr. Jennifer L Kurka, D.O.
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Phone: 630-898-5969    Fax: 630-898-5837
Brian D Oostman, DO
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Dr. Alan Marshal Haan, M.D.
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Practice Location: 150 N Madison St, Oswego, IL 60543
Phone: 630-554-8431    
Dr. Mirela Galatanu, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 80 Templeton Dr, Oswego, IL 60543
Phone: 630-554-3456    Fax: 630-551-2740
Mansi Sheth, D.O.
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Medicare: Not Enrolled in Medicare
Practice Location: 80 Templeton Dr, Oswego, IL 60543
Phone: 630-554-3456    
Jennifer R Crane, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 80 Templeton Dr, Oswego, IL 60543
Phone: 630-554-3456    

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.