Quick answers
- Does Nishi B. Sahgal accept Medicare assignment?
- Yes. Medicare's clinician data says Nishi B. Sahgal 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 Nishi B. Sahgal see?
- In 2024, CMS data shows 514 Original Medicare patients and 18,901 services for Nishi B. Sahgal. This counts Original Medicare only and measures volume, not quality.
- What is Nishi B. Sahgal's NPI number?
- 1164418414. 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 Nishi B. Sahgal, 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 | 514 |
|---|---|
| Services billed to Medicare | 18,901 |
| Different services or procedures | 42 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Injection, dalbavancin, 5 mg (J0875)5,100 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)1,209 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)332 services
- Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less (96365)93 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)90 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%
- Arthritis65%
- Ischemic heart disease56%
- Chronic kidney disease55%
- Heart failure48%
Hospitals where Nishi B. Sahgal works
Medicare's Facility Affiliation Data lists Nishi B. Sahgal 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
- Edward HospitalNaperville, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140231
- Elmhurst Memorial HospitalElmhurst, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140200
- UChicago Medicine AdventHealth HinsdaleHinsdale, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140122
- UChicago Medicine AdventHealth La GrangeLa Grange, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140065
Practice locations
Addresses where Nishi B. Sahgal is enrolled with Medicare (CMS data updated October 2, 2026).
- 120 N Oak StHinsdale, IL 60521 (630) 856‑2050
- 400 Remington BlvdBolingbrook, IL 60440 (630) 312‑7865
- 5601 S County Line RdHinsdale, IL 60521 (630) 286‑4000
- 901 McClintock DrBurr Ridge, IL 60527 (888) 220‑6432
Group practices
Medicare enrollment lists Nishi B. Sahgal as a member of this group (CMS data updated October 2, 2026).
- Metro Infectious Disease Consultants LLC389 clinicians in the group
Specialties
- Infectious Diseaseprimary
Other infectious disease doctors in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Other clinicians in Metro Infectious Disease Consultants LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1164418414 |
| 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