Kalyani Theivanayagam, MD

Medicare activity in 2024

Official CMS public-use data for Kalyani Theivanayagam, 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)271 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)158 services
3. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)89 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)87 services
5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)69 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%
• Diabetes56%
• Arthritis44%
• Stroke or mini-stroke40%
• Ischemic heart disease33%

Hospitals where Kalyani Theivanayagam works

Medicare's Facility Affiliation Data lists Kalyani Theivanayagam 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.

• Cooperman Barnabas Medical CenterLivingston, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310076

Practice locations

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

• 24 Park AveWest Orange, NJ 07052 (973) 669‑8181
• 59 Koch AveMorris Plains, NJ 07950 (973) 538‑1800

Group practices

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

• State of New Jersey Omb Centralized Payroll131 clinicians in the group
• Manickam Ganesh MD PA2 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in New Jersey →

Other internal medicine doctors in West Orange

Clinicians with the same Medicare primary specialty in West Orange, NJ — not a recommendation.

• Anthony Carlino, MD
• Dhruv N. Patel, DO
• Harsh Jain, DO
• Paras Patel, DO
• Michael Salierno, MD
• Nader M. Mekheal, MD
• Elion J. Krok, MD
• John A. Russo, MD

All internal medicine doctors in West Orange →

Other clinicians in State of New Jersey Omb Centralized Payroll

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

• Cecilia Celestino, MD
• Anthony G. Gotay, MD
• Matthew J. Yucis, DO
• Ronald L. Gerson, MD
• Xiaowei Zhang, MD
• Suzan Y. Khalil, 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