DR. JOYCE RII D.O.
NPI 1386891679
Internal Medicine - Infectious Disease in Crestwood, IL
About Dr. Joyce Rii D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOYCE RII D.O. (NPI 1386891679) is an individual infectious disease provider in Crestwood, Illinois, licensed in Illinois (036121551) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS, is affiliated with Advocate Trinity Hospital, and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (2006).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Dr. Joyce Rii D.o. 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 Joyce Rii reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Burr Ridge, IL 60527
- Reassigned Medicare billing, Illinois enrollment
- 122 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 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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Advocate Trinity Hospital
Acute Care Hospitals · Chicago, ILPalos Community Hospital
Acute Care Hospitals · Palos Heights, ILOsf Little Company Of Mary Medical Center
Acute Care Hospitals · Evergreen Park, ILAdvocate Christ Hospital & Medical Center
Acute Care Hospitals · Oak Lawn, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60445 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CRESTWOOD, IL 60445
CRESTWOOD, IL 60445
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 Joyce Rii's NPI number?
The NPI number for Joyce Rii is 1386891679. It was assigned to this individual provider in the NPPES registry on August 19, 2008.
Where is Joyce Rii located?
Joyce Rii practices at 13755 Cicero Ave, Crestwood, IL 60445. The listed phone number is (888) 220-6432.
What is Joyce Rii's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Joyce Rii enrolled in Medicare?
Yes. Joyce Rii 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 Joyce Rii's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joyce Rii reassigns Medicare benefits to Metro Infectious Disease Consultants, LLC (Burr Ridge, 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 Joyce Rii's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joyce Rii accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, MercyCare, MercyCare Health Plans and Oscar Health and 1 other insurer list Joyce Rii 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 Joyce Rii affiliated with any hospitals?
According to CMS data, Joyce Rii is affiliated with Advocate Trinity Hospital, Palos Community Hospital, Osf Little Company Of Mary Medical Center and Advocate Christ Hospital & Medical Center.
When was this NPI record last updated?
The NPPES record for Joyce Rii was last updated on May 13, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.