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Emergency Medicine

Balasasikumar Sundaram, MD

Works at hospitals in Fort Smith, AR · Arkansas

Summary

Dr. Balasasikumar Sundaram, MD is an emergency medicine doctor at 3505 S 79th St, Fort Smith, AR 72903. Phone: (479) 709-8686. Accepts Medicare assignment. In 2024, Balasasikumar Sundaram had 540 Original Medicare patients and 605 services. NPI 1922057900. 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: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 3505 S 79th St, Fort Smith, AR 72903 · Directions
  • Phone: (479) 709‑8686
  • Medicare: Accepts Medicare assignment
  • Hospital: Mercy Hospital Fort Smith
  • Group practice: Mercy Clinic Fort Smith Communities
  • Medical school: graduated 1999 (27 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Balasasikumar Sundaram, 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 Balasasikumar Sundaram accept Medicare assignment?
Yes. Medicare's clinician data says Balasasikumar Sundaram 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 Balasasikumar Sundaram see?
In 2024, CMS data shows 540 Original Medicare patients and 605 services for Balasasikumar Sundaram. This counts Original Medicare only and measures volume, not quality.
What is Balasasikumar Sundaram's NPI number?
1922057900. 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 Balasasikumar Sundaram, 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 patients540
Services billed to Medicare605
Different services or procedures19
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)315 services
  2. Emergency department visit with moderate level of medical decision making (99284)180 services
  3. Critical care, first 30-74 minutes (99291)62 services
  4. Emergency department visit with low level of medical decision making (99283)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%
  • Arthritis60%
  • Chronic kidney disease49%
  • Ischemic heart disease47%
  • Depression46%

Hospitals where Balasasikumar Sundaram works

Medicare's Facility Affiliation Data lists Balasasikumar Sundaram 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 Balasasikumar Sundaram is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Mercy Clinic Fort Smith Communities372 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Arkansas →

Other emergency medicine doctors in Fort Smith

Clinicians with the same Medicare primary specialty in Fort Smith, AR — not a recommendation.

All emergency medicine doctors in Fort Smith →

Other clinicians in Mercy Clinic Fort Smith Communities

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

Clinician information

CredentialMD
Graduation year1999 (27 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1922057900
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