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Hospitalist

Sowmya Kanikkannan, MD

Works at hospitals in Mount Kisco, NY · New York

Summary

Dr. Sowmya Kanikkannan, MD is a hospitalist at 400 E Main St, Suite 761, Mount Kisco, NY 10549. Phone: (914) 241-1050. Accepts Medicare assignment. In 2024, Sowmya Kanikkannan had 16 Original Medicare patients and 16 services. NPI 1639223050. 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: Hospitalist
  • Address: 400 E Main St, Suite 761, Mount Kisco, NY 10549 · Directions (1 more location)
  • Phone: (914) 241‑1050
  • Medicare: Accepts Medicare assignment
  • Hospital: Northern Westchester Hospital
  • Group practice: Optum Medical Care PC
  • Medical school: graduated 2005 (21 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sowmya Kanikkannan, 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 Sowmya Kanikkannan accept Medicare assignment?
Yes. Medicare's clinician data says Sowmya Kanikkannan 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 Sowmya Kanikkannan see?
In 2024, CMS data shows 16 Original Medicare patients and 16 services for Sowmya Kanikkannan. This counts Original Medicare only and measures volume, not quality.
What is Sowmya Kanikkannan's NPI number?
1639223050. 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 Sowmya Kanikkannan, 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 patients16
Services billed to Medicare16
Different services or procedures5
Participating Medicare providerYes
Average age of these patients83

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%
  • Atrial fibrillation69%

Hospitals where Sowmya Kanikkannan works

Medicare's Facility Affiliation Data lists Sowmya Kanikkannan 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.

  • Northern Westchester HospitalMount Kisco, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330162

Practice locations

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

Group practices

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

  • Optum Medical Care PC1,010 clinicians in the group

Specialties

Find other Hospitalist doctors in New York →

Other hospitalists in Mount Kisco

Clinicians with the same Medicare primary specialty in Mount Kisco, NY — not a recommendation.

All hospitalists in Mount Kisco →

Other clinicians in Optum Medical Care PC

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

Clinician information

CredentialMD
Graduation year2005 (21 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639223050
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