Christi R. Oommen, DO

Medicare activity in 2024

Official CMS public-use data for Christi R. Oommen, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)217 services
2. Hospital discharge day management, 30 minutes or less (99238)71 services
3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)44 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)38 services
5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)13 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%
• Arthritis73%
• Ischemic heart disease68%
• Chronic kidney disease68%
• Diabetes66%

Hospitals where Christi R. Oommen works

Medicare's Facility Affiliation Data lists Christi R. Oommen 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.

• NYU Langone HospitalsNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330214

Practice locations

Addresses where Christi R. Oommen is enrolled with Medicare (CMS data updated October 2, 2026).

• 150 55th StBrooklyn, NY 11220 (718) 630‑7000
• 255 Executive Dr, Suite 210bPlainview, NY 11803 (833) 433‑2273

Group practices

Medicare enrollment lists Christi R. Oommen as a member of these groups (CMS data updated October 2, 2026).

• New York University6,134 clinicians in the group
• Kim Medical of New York PLLC18 clinicians in the group

Specialties

• Hospitalistprimary
• Internal Medicinealso

Find other Hospitalist doctors in New York →

Other hospitalists in Brooklyn

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

• Ghulam M. Shah
• Rolfe K. Retuya, MD
• Sheina Leboeuf
• Alex L. Woods, MD
• Aman Sharma, MD
• Abdulrahman Muzib, MD
• Diana Gutierrez, MD
• Serena Grewal, MD

All hospitalists in Brooklyn →

Other clinicians in New York University

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

• Alexander L. Houck, MD
• Bruce Raphael, MD
• Ruth A. Tessler, MD
• Christopher Lorenzi, MD
• Joseph Dryer
• Ji Hye A. Lee

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