MARYNA SHAYUK MD
NPI 1245493659
Hospitalist in Mchenry, IL
About Maryna Shayuk Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARYNA SHAYUK MD (NPI 1245493659) is an individual hospitalist provider in Mchenry, Illinois, licensed in Illinois (036127215) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and maintains a secondary practice location in Springfield.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Maryna Shayuk Md 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.
Medicare Billing Reassignment
Medicare enrollment records show Maryna Shayuk reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
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.
Northwestern Medicine Mchenry
Acute Care Hospitals · Mchenry, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60050 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
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MCHENRY, IL 60050
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 Maryna Shayuk's NPI number?
The NPI number for Maryna Shayuk is 1245493659. It was assigned to this individual provider in the NPPES registry on July 7, 2008.
Where is Maryna Shayuk located?
Maryna Shayuk practices at 4309 W Medical Center Dr Ste A102, Mchenry, IL 60050. The listed phone number is (815) 338-6600.
What is Maryna Shayuk's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Maryna Shayuk enrolled in Medicare?
Yes. Maryna Shayuk 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.
Which organization bills Medicare for Maryna Shayuk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maryna Shayuk reassigns Medicare benefits to Northwestern Medical Faculty Foundation (Carol Stream, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Maryna Shayuk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Maryna Shayuk affiliated with any hospitals?
According to CMS data, Maryna Shayuk is affiliated with Northwestern Medicine Mchenry.
When was this NPI record last updated?
The NPPES record for Maryna Shayuk was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# Maryna Shayuk, MD · NPI 1245493659
Hospitalist physician in Mchenry, Illinois. Individual provider, active in the CMS NPPES registry since July 7, 2008.
## Identity
- **NPI:** 1245493659 (Entity type: Individual)
- **Enumerated:** July 7, 2008
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 036127215 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4309 W MEDICAL CENTER DR STE A102, Mchenry, IL 60050-8436
- **Phone:** (815) 338-6600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Northwestern Medical Faculty Foundation (NPI 1346235314, Carol Stream, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** July 21, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1245493659) · Data from the CMS NPPES public registry.