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Critical Care (Intensivists)

Karthik Jothianandan, MD

Works at hospitals in Columbia, TN · Tennessee

Summary

Dr. Karthik Jothianandan, MD is a critical care doctor at 1224 N Trotwood Ave, Columbia, TN 38401. Phone: (931) 381-1111. Accepts Medicare assignment. In 2024, Karthik Jothianandan had 117 Original Medicare patients and 187 services. NPI 1184867939. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Critical care doctor (Medicare lists Critical Care (Intensivists))
  • Address: 1224 N Trotwood Ave, Columbia, TN 38401 · Directions (3 more locations)
  • Phone: (931) 381‑1111
  • Medicare: Accepts Medicare assignment
  • Hospital: Maury Regional Hospital
  • Group practice: Maury Regional Medical Group, Inc
  • Medical school: graduated 2006 (20 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Karthik Jothianandan, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Karthik Jothianandan accept Medicare assignment?
Yes. Medicare's clinician data says Karthik Jothianandan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Karthik Jothianandan see?
In 2024, CMS data shows 117 Original Medicare patients and 187 services for Karthik Jothianandan. This counts Original Medicare only and measures volume, not quality.
What is Karthik Jothianandan's NPI number?
1184867939. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Karthik Jothianandan, 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.

Original Medicare patients117
Services billed to Medicare187
Different services or procedures16
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Critical care, first 30-74 minutes (99291)91 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)35 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)19 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 cholesterol72%
  • Heart failure62%
  • Anxiety53%
  • Arthritis52%
  • Ischemic heart disease52%

Hospitals where Karthik Jothianandan works

Medicare's Facility Affiliation Data lists Karthik Jothianandan 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.

Practice locations

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

Group practices

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

  • Maury Regional Medical Group, Inc117 clinicians in the group

Specialties

Find other Critical Care (Intensivists) doctors in Tennessee →

Other critical care doctors in Columbia

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

All critical care doctors in Columbia →

Other clinicians in Maury Regional Medical Group, Inc

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

Clinician information

CredentialMD
Graduation year2006 (20 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1184867939
CorrectionsReport an error or suggest an update →

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