Nidhi Tiwari, MD

Medicare activity in 2024

Official CMS public-use data for Nidhi Tiwari, 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.

Most frequent services

1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)208 services
2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)123 services
3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)81 services
4. Hemoglobin a1c level (83036)46 services
5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)42 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 cholesterol73%
• Arthritis48%
• Diabetes36%
• Anxiety25%
• Chronic kidney disease22%

Hospitals where Nidhi Tiwari works

Medicare's Facility Affiliation Data lists Nidhi Tiwari 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.

• Copley Memorial HospitalAurora, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140029

Practice locations

Addresses where Nidhi Tiwari is enrolled with Medicare (CMS data updated October 2, 2026).

• 1700 W Van Buren StChicago, IL 60612 (312) 563‑2875
• 2020 Ogden AveAurora, IL 60504 (630) 692‑5060
• 472 N Sugar Grove Pkwy, Rush Copley Medical GroupSugar Grove, IL 60554 (630) 466‑6000

Group practices

Medicare enrollment lists Nidhi Tiwari as a member of these groups (CMS data updated October 2, 2026).

• Rush University Medical Group1,551 clinicians in the group
• Rush-Copley Medical Group NFP98 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Chicago

Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.

• Jeff C. Ording Ii, MD
• Suneetha Vysetti, MD
• Andrew M. Davis, MD
• James Fan, MD
• Bonnie W. Thomas, MD
• Bety C. Ciobanu, MD
• Nooshin S. Cohanim, MD
• Mohamed Elkhouly, MD

All internal medicine doctors in Chicago →

Other clinicians in Rush University Medical Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Nupur Shah, DO
• Suneetha Vysetti, MD
• Alfonso Torquati, MD
• David C. Reid, MD
• Eric P. Sullivan, MD
• Eric Moyer, MD

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians