Quick answers
- Does Nicholas G. Parrilli accept Medicare assignment?
- Yes. Medicare's clinician data says Nicholas G. Parrilli 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 Nicholas G. Parrilli see?
- In 2024, CMS data shows 314 Original Medicare patients and 4,755 services for Nicholas G. Parrilli. This counts Original Medicare only and measures volume, not quality.
- What is Nicholas G. Parrilli's NPI number?
- 1558310904. 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 Nicholas G. Parrilli, 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 | 314 |
|---|---|
| Services billed to Medicare | 4,755 |
| Different services or procedures | 57 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Placement of strapping to ankle or foot (29540)826 services
- Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care (G0283)715 services
- Application of whirlpool therapy (97022)594 services
- Removal of fingernails or toenails, 6 or more nails (11721)563 services
- X-ray of foot, minimum of 3 views (73630)414 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 cholesterol75%
- High blood pressure73%
- Arthritis61%
- Diabetes31%
- Ischemic heart disease30%
- Chronic kidney disease25%
Hospitals where Nicholas G. Parrilli works
Medicare's Facility Affiliation Data lists Nicholas G. Parrilli 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.
- Advocate Good Samaritan HospitalDowners Grove, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140288
Practice locations
Addresses where Nicholas G. Parrilli is enrolled with Medicare (CMS data updated October 2, 2026).
- 1228 Ogden AveDowners Grove, IL 60515 (630) 810‑9966
Group practices
Medicare enrollment lists Nicholas G. Parrilli as a member of this group (CMS data updated October 2, 2026).
- Hospital Plaza Foot and Ankle SC3 clinicians in the group
Specialties
- Podiatryprimary
Other podiatrists in Downers Grove
Clinicians with the same Medicare primary specialty in Downers Grove, IL — not a recommendation.
Other clinicians in Hospital Plaza Foot and Ankle SC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Podiatric medical school | California School Of Podiatric Medicine |
| Graduation year | 2001 (25 years since podiatric medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558310904 |
| 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