Ms Maria E Onak, APN-CNP - Medicare Nurse Practitioner in Glenview, IL

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Ms Maria E Onak, APN-CNP is a medicare enrolled "Nurse Practitioner - Adult Health" in Glenview, Illinois. Her current practice location is 2100 Pfingsten Rd, Glenview, Illinois. You can reach out to her office (for appointments etc.) via phone at (847) 503-4222.

Ms Maria E Onak is licensed to practice in Illinois (license number 209006771) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1700074754.

Contact Information

Ms Maria E Onak, APN-CNP
2100 Pfingsten Rd,
Glenview, IL 60026-1301
(847) 503-4222
(847) 503-5110

Map and Direction




Provider's Profile

Full NameMs Maria E Onak
GenderFemale
SpecialityNurse Practitioner - Adult Health
Location2100 Pfingsten Rd, Glenview, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1700074754
  • Provider Enumeration Date: 10/03/2007
  • Last Update Date: 04/09/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 0941390405
  • Enrollment ID: I20071220000365

Medical Identifiers

Medical identifiers for Ms Maria E Onak such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1700074754NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LG0600XNurse Practitioner - Gerontology 209006771 (Illinois)Secondary
363LA2200XNurse Practitioner - Adult Health 209006771 (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. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Ms Maria E Onak allows following entities to bill medicare on her behalf.
Entity NameNorthshore University Healthsystem Faculty Practice Associates
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1497701882
PECOS PAC ID: 2163334699
Enrollment ID: O20040524000118
Entity NameVitae Health Of Illinois Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1174013452
PECOS PAC ID: 2365798410
Enrollment ID: O20180703002838
Entity NameMoments Palliative Care Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1972290724
PECOS PAC ID: 0143561480
Enrollment ID: O20230621000073

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. Ms Maria E Onak 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
Ms Maria E Onak, APN-CNP
2100 Pfingsten Rd,
Glenview, IL 60026-1301

Ph: (847) 503-4222		Ms Maria E Onak, APN-CNP
2100 Pfingsten Rd,
Glenview, IL 60026-1301

Ph: (847) 503-4222

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).

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