Ratesh Khillan, MD

Medicare activity in 2024

Official CMS public-use data for Ratesh Khillan, 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, iron sucrose, 1 mg (J1756)14,412 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)308 services
3. Infusion into a vein for hydration, each additional hour (96361)116 services
4. Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less (96365)115 services
5. Infusion, normal saline solution, 250 cc (J7050)106 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 cholesterol68%
• Diabetes56%
• Arthritis45%
• Chronic kidney disease38%
• Heart failure34%

Hospitals where Ratesh Khillan works

Medicare's Facility Affiliation Data lists Ratesh Khillan 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.

• Mount Sinai Beth IsraelNew York, NY · Acute Care Hospital · closed, according to its website · CCN 330169
• New York-Presbyterian HospitalNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330101

Practice locations

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

• 5 E 98th St, Suite 6New York, NY 10029 (212) 241‑4812
• 5 E 98th St 12th Floor, Tisch Department of Mount SinaiNew York, NY 10029 (212) 241‑8303
• 672 Utica AveBrooklyn, NY 11203 (718) 221‑9999

Group practices

Medicare enrollment lists Ratesh Khillan as a member of this group (CMS data updated October 2, 2026).

• Icahn School of Medicine at Mount Sinai2,843 clinicians in the group

Specialties

• Medical Oncologyprimary
• Hematology/Oncologyalso
• Internal Medicinealso

Find other Medical Oncology doctors in New York →

Other oncologists in New York

Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.

• Dan Feng, MD
• Paul E. Oberstein, MD
• Alexander A. Hindenburg, MD
• Ilan Shapira, MD
• Alexander E. Drilon, MD
• Philip Friedlander, MD
• Hearn J. Cho, MD
• Cosmin Tegla, MD

All oncologists in New York →

Other clinicians in Icahn School of Medicine at Mount Sinai

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

• Lea Marin
• Dan Feng, MD
• Timothy K. Brennan, MD
• Michael P. Mullen, MD
• Kyrollis Attalla, MD
• Alfred Burger, 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