Jenny Y. Cai, MD

Medicare activity in 2024

Official CMS public-use data for Jenny Y. Cai, 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)87 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)73 services
3. Critical care, first 30-74 minutes (99291)64 services
4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)53 services
5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)16 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%
• Arthritis58%
• Diabetes55%
• Ischemic heart disease49%
• Chronic kidney disease47%

Hospitals where Jenny Y. Cai works

Medicare's Facility Affiliation Data lists Jenny Y. Cai 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.

• Robert Wood Johnson University HospitalNew Brunswick, NJ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 310038
• Robert Wood Johnson University Hospital - SomersetSomerville, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310048

Practice locations

Addresses where Jenny Y. Cai is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Robert Wood Johnson Pl, Rutgers Health Rwj Surgical CriticaNew Brunswick, NJ 08901 (732) 235‑7766
• 110 Rehill AveSomerville, NJ 08876 (908) 685‑2856

Group practices

Medicare enrollment lists Jenny Y. Cai as a member of this group (CMS data updated October 2, 2026).

• Rutgers Health-Rwj Neurosurgery Faculty192 clinicians in the group

Specialties

• Critical Care (Intensivists)primary
• General Surgeryalso

Find other Critical Care (Intensivists) doctors in New Jersey →

Other critical care doctors in New Brunswick

Clinicians with the same Medicare primary specialty in New Brunswick, NJ — not a recommendation.

• Nawaz Rupani, MD
• Virali Shah, MD
• Thomas A. Nahass, MD
• Palak Moondra, DO
• Alison Gimbel, MD
• Mario Caldararo, MD
• Ricardo Verdiner, MD
• Yiyang Wang, MD

All critical care doctors in New Brunswick →

Other clinicians in Rutgers Health-Rwj Neurosurgery Faculty

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

• Robert Gross, MD
• Brian Wengerter, MD
• Valerie Louis, PA
• Craig Bollig, MD
• John E. Langenfeld, MD
• Maryann Sous, PA

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