Mark Weldon Arnett, MD - Medicare Diagnostic Radiology in Oak Park, IL

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Mark Weldon Arnett, MD is a medicare enrolled "Radiology - Diagnostic Radiology" physician in Oak Park, Illinois. He went to University Of Illinois College Of Med (chi/peor/rock/chm-urb) and graduated in 1993 and has 31 years of diverse experience with area of expertise as Diagnostic Radiology. He is a member of the group practice Loyola University Medical Center and his current practice location is 3 Erie Ct, Oak Park, Illinois. You can reach out to his office (for appointments etc.) via phone at (707) 783-3532.

Mark Weldon Arnett is licensed to practice in Illinois (license number 036-092976) 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 1538114616.

Contact Information

Mark Weldon Arnett, MD
3 Erie Ct,
Oak Park, IL 60302-2519
(707) 783-3532
(708) 782-3164

Map and Direction




Physician's Profile

Full NameMark Weldon Arnett
GenderMale
SpecialityDiagnostic Radiology
Experience31 Years
Location3 Erie Ct, Oak Park, 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 Weldon Arnett attended and graduated from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 1993
  NPI Data:
  • NPI Number: 1538114616
  • Provider Enumeration Date: 05/24/2006
  • Last Update Date: 04/27/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 0042272361
  • Enrollment ID: I20050302000685

Medical Identifiers

Medical identifiers for Mark Weldon Arnett such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1538114616NPI-NPPES
300109946OtherRR MEDICARE
0360929761MedicaidIL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0202XRadiology - Diagnostic Radiology 12259 (Nevada)Secondary
2085R0202XRadiology - Diagnostic Radiology 25.000023 (Ohio)Secondary
2085R0202XRadiology - Diagnostic Radiology 036-092976 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Macneal HospitalBerwyn, ILHospital
Loyola University Medical CenterMaywood, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Loyola University Medical Center3779488903863

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 Weldon Arnett allows following entities to bill medicare on his behalf.
Entity NameLoyola University Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1336159961
PECOS PAC ID: 3779488903
Enrollment ID: O20031202000027
Entity NameMetropolitan Advanced Radiological Services Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1689613804
PECOS PAC ID: 7315849817
Enrollment ID: O20040124000072

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 Weldon Arnett 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 Weldon Arnett, MD
3249 South Oak Park Ave.,
Berwyn, IL 60402

Ph: (707) 783-3532		Mark Weldon Arnett, MD
3 Erie Ct,
Oak Park, IL 60302-2519

Ph: (707) 783-3532

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.