Rozina A. Chowdhery, MD

Medicare activity in 2024

Official CMS public-use data for Rozina A. Chowdhery, 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. Injection, dexamethasone sodium phosphate, 1 mg (J1100)818 services
2. Injection, palonosetron hcl, 25 mcg (J2469)400 services
3. Injection, fluorouracil, 500 mg (J9190)259 services
4. Injection of additional new drug or substance into vein (96375)180 services
5. Insertion of needle into vein for collection of blood sample (36415)125 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 pressure68%
• High cholesterol65%
• Arthritis49%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)44%
• Ischemic heart disease37%
• Chronic kidney disease33%

Hospitals where Rozina A. Chowdhery works

Medicare's Facility Affiliation Data lists Rozina A. Chowdhery 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 Lake Forest HospitalLake Forest, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140130
• Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140242
• Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140281

Practice locations

Addresses where Rozina A. Chowdhery is enrolled with Medicare (CMS data updated October 2, 2026).

• 444 N NW Hwy 200, Nwern Neur Prk RdgPark Ridge, IL 60068 (847) 825‑2366

Group practices

Medicare enrollment lists Rozina A. Chowdhery as a member of this group (CMS data updated October 2, 2026).

• Northwestern Medical Faculty Foundation4,503 clinicians in the group

Specialties

• Hematology/Oncologyprimary
• Internal Medicinealso

Find other Hematology/Oncology doctors in Illinois →

Other hematologist-oncologists in Park Ridge

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

• Ignatius Nyatsanza, MD
• Jon Richards, MD
• Timothy Lestingi, MD
• Christie L. Hancock, MD
• Sherjeel Sana, MD
• Andrew J. McDonald, MD
• Sabree Abedrabo, MD
• Sigrun Hallmeyer, MD

All hematologist-oncologists in Park Ridge →

Other clinicians in Northwestern Medical Faculty Foundation

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

• Ashleigh E. Gutknecht
• Siew May Wang, MD
• Keun Young Kim, MD
• Joshua B. Dein, MD
• Gopi R. Patel, DO
• Lauren M. Vedrine

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