MS. MARIA E ONAK APN-CNP
NPI 1700074754
Nurse Practitioner in Glenview, IL
About Ms. Maria E Onak Apn-cnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARIA E ONAK APN-CNP (NPI 1700074754) is an individual nurse practitioner in Glenview, Illinois, licensed in Illinois (209006771) and active in the NPI registry since October 2007. She is enrolled in Medicare PECOS, is affiliated with Northwest Community Hospital 1, and is a graduate of Rush Medical College Of Rush University (2007).
NPPES Registry Identity
Specialties & Licenses 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ms. Maria E Onak Apn-cnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwest Community Hospital 1
Acute Care Hospitals · Arlington Heights, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60026 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GLENVIEW, IL 60026
GLENVIEW, IL 60026
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Maria Onak's NPI number?
The NPI number for Maria Onak is 1700074754. It was assigned to this individual provider in the NPPES registry on October 3, 2007.
Where is Maria Onak located?
Maria Onak practices at 2100 Pfingsten Rd, Glenview, IL 60026. The listed phone number is (847) 503-4222.
What is Maria Onak's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Maria Onak enrolled in Medicare?
Yes. Maria Onak is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Is Maria Onak affiliated with any hospitals?
According to CMS data, Maria Onak is affiliated with Northwest Community Hospital 1.
When was this NPI record last updated?
The NPPES record for Maria Onak was last updated on May 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.