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Internal Medicine

Sivalingam Kanagasegar, MD

Works at hospitals in Cookeville, TN · Crossville, TN · Tennessee

Summary

Dr. Sivalingam Kanagasegar, MD is an internal medicine doctor at 49 Cleveland St, Suite 210, Crossville, TN 38555. Phone: (931) 787-1477. Accepts Medicare assignment. In 2024, Sivalingam Kanagasegar had 670 Original Medicare patients and 164,886 services. NPI 1982666012. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 49 Cleveland St, Suite 210, Crossville, TN 38555 · Directions (1 more location)
  • Phone: (931) 787‑1477
  • Medicare: Accepts Medicare assignment
  • Hospitals: Cookeville Regional Medical Center, Cumberland Medical Center
  • Group practice: American Arthritis and Rheumatology Associates TN, PLLC
  • Medical school: graduated 1985 (41 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Sivalingam Kanagasegar, 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 Sivalingam Kanagasegar accept Medicare assignment?
Yes. Medicare's clinician data says Sivalingam Kanagasegar 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 Sivalingam Kanagasegar see?
In 2024, CMS data shows 670 Original Medicare patients and 164,886 services for Sivalingam Kanagasegar. This counts Original Medicare only and measures volume, not quality.
What is Sivalingam Kanagasegar's NPI number?
1982666012. 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 Sivalingam Kanagasegar, 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 patients670
Services billed to Medicare164,886
Different services or procedures45
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (J0717)59,200 services
  2. Injection, tocilizumab, 1 mg (J3262)34,760 services
  3. Injection, golimumab, 1 mg, for intravenous use (J1602)28,950 services
  4. Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (J0129)23,750 services
  5. Injection, methylprednisolone acetate, 1 mg (J1010)2,566 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%
  • Arthritis75%
  • Diabetes32%
  • Anxiety29%
  • Ischemic heart disease27%

Hospitals where Sivalingam Kanagasegar works

Medicare's Facility Affiliation Data lists Sivalingam Kanagasegar 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.

  • Cookeville Regional Medical CenterCookeville, TN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 440059
  • Cumberland Medical CenterCrossville, TN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 440009

Practice locations

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

Group practices

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

  • American Arthritis and Rheumatology Associates TN, PLLC10 clinicians in the group

Specialties

Find other Internal Medicine doctors in Tennessee →

Other internal medicine doctors in Crossville

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

All internal medicine doctors in Crossville →

Other clinicians in American Arthritis and Rheumatology Associates TN, PLLC

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

Clinician information

CredentialMD
Graduation year1985 (41 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1982666012
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