Mary Ann Hollenback, APN - Medicare Nurse Practitioner in Aurora, IL

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Mary Ann Hollenback, APN is a medicare enrolled "Nurse Practitioner - Family" in Aurora, Illinois. She graduated from nursing school in 2006 and has 19 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Rush-copley Medical Group Nfp and her current practice location is 2020 Ogden Ave Ste 400, Aurora, Illinois. You can reach out to her office (for appointments etc.) via phone at (630) 692-5563.

Mary Ann Hollenback is licensed to practice in Illinois (license number 277-000554) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1841339405.

Contact Information

Mary Ann Hollenback, APN
2020 Ogden Ave Ste 400,
Aurora, IL 60504-5898
(630) 692-5563
(630) 692-5564

Map and Direction




Provider's Profile

Full NameMary Ann Hollenback
GenderFemale
SpecialityNurse Practitioner
Experience19 Years
Location2020 Ogden Ave Ste 400, Aurora, Illinois
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mary Ann Hollenback graduated from nursing school in 2006
  NPI Data:
  • NPI Number: 1841339405
  • Provider Enumeration Date: 02/06/2007
  • Last Update Date: 02/28/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 7214039312
  • Enrollment ID: I20070220000583

Medical Identifiers

Medical identifiers for Mary Ann Hollenback such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1841339405NPI-NPPES
IL5966OtherILMEDICARE PTAN (GROUP)
IL5966004OtherILMEDICARE PTAN (INDIVIDUAL)

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family 277-000554 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Copley Memorial HospitalAurora, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Rush-copley Medical Group Nfp7618864877101

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. Mary Ann Hollenback allows following entities to bill medicare on her behalf.
Entity NameEdward Health Ventures
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1962452912
PECOS PAC ID: 4284531484
Enrollment ID: O20031216000616
Entity NameCentral Dupage Hospital Association
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1003864810
PECOS PAC ID: 0941108666
Enrollment ID: O20031231000723
Entity NameRush University Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093819542
PECOS PAC ID: 5496658874
Enrollment ID: O20040202000228
Entity NameRush-copley Medical Group Nfp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093075848
PECOS PAC ID: 7618864877
Enrollment ID: O20040310001029

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. Mary Ann Hollenback 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
Mary Ann Hollenback, APN
2020 Ogden Ave Ste 400,
Aurora, IL 60504-5898

Ph: (630) 692-5563		Mary Ann Hollenback, APN
2020 Ogden Ave Ste 400,
Aurora, IL 60504-5898

Ph: (630) 692-5563

Reviews and Comments


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Terra L Kolacki, APRN
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Medicare: Medicare Enrolled
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Phone: 630-692-5660    Fax: 630-692-5661
Evelyn Mata, MSN,APRN, FNP-C
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Medicare: Medicare Enrolled
Practice Location: 400 N Highland Ave, Aurora, IL 60506
Phone: 630-892-4355    
Mrs. Stephanie Y Amor-arteaga, FNP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 2020 Ogden Ave Ste 400, Aurora, IL 60504
Phone: 630-692-5563    Fax: 630-692-5564

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.