DR. ROBERT T NIXON JR. MD
NPI 1821160516
Orthopaedic Surgery - Sports Medicine in Crystal Lake, IL
About Dr. Robert T Nixon Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT T NIXON JR. MD (NPI 1821160516) is an individual sports medicine provider in Crystal Lake, Illinois, licensed in Illinois (036-078380) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and maintains a secondary practice location in Huntley.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 2
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. Robert T Nixon Jr. 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 Robert Nixon 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
- 1,664 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 13
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Medicine Mchenry
Acute Care Hospitals · Mchenry, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILMedicare 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.
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.
CRYSTAL LAKE, IL 60012
CRYSTAL LAKE, IL 60012
CRYSTAL LAKE, IL 60012
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 Robert Nixon's NPI number?
The NPI number for Robert Nixon is 1821160516. It was assigned to this individual provider in the NPPES registry on November 15, 2006.
Where is Robert Nixon located?
Robert Nixon practices at 420 N Il Route 31, Crystal Lake, IL 60012. The listed phone number is (815) 356-5200.
What is Robert Nixon's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Sports Medicine, with taxonomy code 207XX0005X.
Is Robert Nixon enrolled in Medicare?
Yes. Robert Nixon 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 Robert Nixon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Nixon reassigns Medicare benefits to Central Dupage Physician Group (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 Robert Nixon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Robert Nixon affiliated with any hospitals?
According to CMS data, Robert Nixon is affiliated with Northwestern Medicine Mchenry and Northwestern Medicine Central Dupage Hospital.
When was this NPI record last updated?
The NPPES record for Robert Nixon was last updated on October 19, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.