MANDY J RUEFF APRN
NPI 1649736174
Nurse Anesthetist, Certified Registered in Crystal Lake, IL
About Mandy J Rueff Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MANDY J RUEFF APRN (NPI 1649736174) is an individual nurse anesthetist, certified registered in Crystal Lake, Illinois, licensed in Illinois (209.018842) and active in the NPI registry since February 2019. She is enrolled in Medicare PECOS, is affiliated with Mercyhealth Hospital & Physician Clinic-crystal La, and maintains a secondary practice location in Elmhurst.
NPPES Registry Identity
Specialties & Licenses
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
Mandy J Rueff Aprn 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
7Medicare enrollment records show Mandy Rueff reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Woodstock, IL 60098
- Reassigned Medicare billing, Illinois enrollment
- 87 clinicians in this Medicare group
Huntley, IL 60142
- Reassigned Medicare billing, Illinois enrollment
- 70 clinicians in this Medicare group
Elgin, IL 60120
- Reassigned Medicare billing, Illinois enrollment
- 34 clinicians in this Medicare group
Elgin, IL 60120
- Reassigned Medicare billing, Illinois enrollment
- 32 clinicians in this Medicare group
Harvard, IL 60033
- Reassigned Medicare billing, Illinois enrollment
- 382 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 1,664 clinicians in this Medicare group
Janesville, WI 53548
- Reassigned Medicare billing, Illinois enrollment
- 671 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
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.
Mercyhealth Hospital & Physician Clinic-Crystal La
Acute Care Hospitals · Crystal Lake, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60014 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
CRYSTAL LAKE, IL 60014
CRYSTAL LAKE, IL 60014
CRYSTAL LAKE, IL 60014
CRYSTAL LAKE, IL 60014
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 Mandy Rueff's NPI number?
The NPI number for Mandy Rueff is 1649736174. It was assigned to this individual provider in the NPPES registry on February 20, 2019.
Where is Mandy Rueff located?
Mandy Rueff practices at 875 S Route 31, Crystal Lake, IL 60014. The listed phone number is (779) 220-5500.
What is Mandy Rueff's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Mandy Rueff enrolled in Medicare?
Yes. Mandy Rueff 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 Mandy Rueff's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mandy Rueff reassigns Medicare benefits to 7 organizations: Town Square Anesthesia LLC (Woodstock, IL), Huntley Anesthesia Associates LLC (Huntley, IL), Pinnacle Anesthesia, Ltd (Elgin, IL), Illinois Pain Treatment Institute, Ltd (Elgin, IL), Mercy Harvard Hospital Inc (Harvard, IL) and 2 more organizations, listed in the Medicare section above. 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 Mandy Rueff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mandy Rueff affiliated with any hospitals?
According to CMS data, Mandy Rueff is affiliated with Mercyhealth Hospital & Physician Clinic-Crystal La.
When was this NPI record last updated?
The NPPES record for Mandy Rueff was last updated on October 2, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mandy J Rueff, APRN · NPI 1649736174
Nurse Anesthetist, Certified Registered physician in Crystal Lake, Illinois. Individual provider, active in the CMS NPPES registry since February 20, 2019.
## Identity
- **NPI:** 1649736174 (Entity type: Individual)
- **Enumerated:** February 20, 2019
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 209.018842 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 875 S ROUTE 31, Crystal Lake, IL 60014-8190
- **Phone:** (779) 220-5500
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Town Square Anesthesia LLC (NPI 1669471017, Woodstock, IL); Huntley Anesthesia Associates LLC (NPI 1205282019, Huntley, IL); Pinnacle Anesthesia, Ltd (NPI 1205103777, Elgin, IL); Illinois Pain Treatment Institute, Ltd (NPI 1295811479, Elgin, IL); Mercy Harvard Hospital Inc (NPI 1427001445, Harvard, IL); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of South Florida College Of Medicine, class of 2018
## Record status
- **NPPES last updated:** October 2, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1649736174) · Data from the CMS NPPES public registry.