MARY A. SHIELDS NP-C
NPI 1922074103
Nurse Practitioner in Schaumburg, IL
About Mary A. Shields Np-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY A. SHIELDS NP-C (NPI 1922074103) is an individual nurse practitioner in Schaumburg, Illinois, licensed in Illinois (209-004014) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, is affiliated with Northwest Community Hospital 1, and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Mary A. Shields Np-c 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 Reassignments
2Medicare enrollment records show Mary Shields reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Schaumburg, IL 60195
- Reassigned Medicare billing, Illinois enrollment
- 53 clinicians in this Medicare group
Rockford, IL 61107
- Reassigned Medicare billing, Illinois enrollment
- 562 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 2
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 3
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, ILAlexian Brothers Medical Center 1
Acute Care Hospitals · Elk Grove Village, ILSt Alexius Medical Center
Acute Care Hospitals · Hoffman Estates, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60195 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.
Referred Medical Equipment & Supplies CMS DME claims
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SCHAUMBURG, IL 60195
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 Mary Shields's NPI number?
The NPI number for Mary Shields is 1922074103. It was assigned to this individual provider in the NPPES registry on February 27, 2006.
Where is Mary Shields located?
Mary Shields practices at 929 W Higgins Rd, Schaumburg, IL 60195. The listed phone number is (847) 285-4200.
What is Mary Shields's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Mary Shields enrolled in Medicare?
Yes. Mary Shields 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 organizations bill Medicare for Mary Shields's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Shields reassigns Medicare benefits to 2 organizations: Barrington Orthopedic Specialists Ltd (Schaumburg, IL) and Orthomidwest, PLLC (Rockford, IL). Each 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 Mary Shields's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Shields accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Mary Shields as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Mary Shields affiliated with any hospitals?
According to CMS data, Mary Shields is affiliated with Northwest Community Hospital 1, Alexian Brothers Medical Center 1 and St Alexius Medical Center.
When was this NPI record last updated?
The NPPES record for Mary Shields was last updated on July 6, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Mary A. Shields, NP-C · NPI 1922074103
Nurse Practitioner physician in Schaumburg, Illinois. Individual provider, active in the CMS NPPES registry since February 27, 2006.
## Identity
- **NPI:** 1922074103 (Entity type: Individual)
- **Enumerated:** February 27, 2006
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 209-004014 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 929 W HIGGINS RD, Schaumburg, IL 60195-3203
- **Phone:** (847) 285-4200 · **Fax:** (847) 885-0130
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Barrington Orthopedic Specialists Ltd (NPI 1336196476, Schaumburg, IL); Orthomidwest, PLLC (NPI 1730136474, Rockford, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** July 6, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1922074103) · Data from the CMS NPPES public registry.