Premkumar Nattanmai Chandrasekaran, MD

Medicare activity in 2024

Official CMS public-use data for Premkumar Nattanmai Chandrasekaran, 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. Critical care, first 30-74 minutes (99291)275 services
2. Critical care, each additional 30 minutes (99292)56 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)12 services
4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)11 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%
• Stroke or mini-stroke75%
• Arthritis52%
• Ischemic heart disease42%
• Atrial fibrillation42%

Hospitals where Premkumar Nattanmai Chandrasekaran works

Medicare's Facility Affiliation Data lists Premkumar Nattanmai Chandrasekaran 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.

• Hannibal Regional HospitalHannibal, MO · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 260025
• Northeast Regional Medical CenterKirksville, MO · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 260022
• University of Missouri Health CareColumbia, MO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 260141

Practice locations

Addresses where Premkumar Nattanmai Chandrasekaran is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Hospital DrColumbia, MO 65212 (573) 882‑4141

Group practices

Medicare enrollment lists Premkumar Nattanmai Chandrasekaran as a member of this group (CMS data updated October 2, 2026).

• The Curators of the University of Missouri1,131 clinicians in the group

Specialties

• Critical Care (Intensivists)primary
• Neurologyalso

Find other Critical Care (Intensivists) doctors in Missouri →

Other critical care doctors in Columbia

Clinicians with the same Medicare primary specialty in Columbia, MO — not a recommendation.

• Jonathan R. Ang, MD
• Dennis B. Chairman, MD
• Stevan P. Whitt, MD
• Michael Hunter, MD
• Jeffrey P. Coughenour, MD
• Christopher S. Nelson, MD
• Mark A. Reed, MD
• Rushabh P. Dev, MD

All critical care doctors in Columbia →

Other clinicians in The Curators of the University of Missouri

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

• Lilamani G. Kurukulasuriya, MD
• Constance J. Gillaspie, PA
• Chrissa L. McClellan, MD
• Tyler L. Alderson, MD
• Paul V. Dimond, CNA
• Zahra Dashtaki

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