Quick answers
- Does Robert T. Nixon Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Robert T. Nixon Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Robert T. Nixon Jr. see?
- In 2024, CMS data shows 492 Original Medicare patients and 4,554 services for Robert T. Nixon Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Robert T. Nixon Jr.'s NPI number?
- 1821160516. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Robert T. Nixon Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 492 |
|---|---|
| Services billed to Medicare | 4,554 |
| Different services or procedures | 57 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)2,816 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)423 services
- Aspiration and/or injection of fluid from large joint (20610)383 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)183 services
- Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose (J7324)88 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis68%
- Diabetes30%
- Ischemic heart disease29%
- Anxiety29%
Hospitals where Robert T. Nixon Jr. works
Medicare's Facility Affiliation Data lists Robert T. Nixon Jr. at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140242
- Northwestern Medicine McHenryMcHenry, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140116
Practice locations
Addresses where Robert T. Nixon Jr. is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 10370 Haligus RdHuntley, IL 60142
- 10400 Haligus RdHuntley, IL 60142 (815) 356‑2323
- 1800 N Main StWheaton, IL 60187 (630) 933‑4800
- 420 N Il Route 31Crystal Lake, IL 60012
- 4201 W Medical Ctr DrMcHenry, IL 60050 (815) 759‑4874
Group practices
Medicare enrollment lists Robert T. Nixon Jr. as a member of this group (CMS data updated October 2, 2026).
- Central Dupage Physician Group1,080 clinicians in the group
Specialties
- Sports Medicineprimary
- Orthopedic Surgeryalso
Other sports medicine doctors in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Other clinicians in Central Dupage Physician Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821160516 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians