Kanagaratnam Sivalingam, MD

Medicare activity in 2024

Official CMS public-use data for Kanagaratnam Sivalingam, 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)4,799 services
2. Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes (99458)2,263 services
3. Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)1,741 services
4. Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (99454)819 services
5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)703 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%
• Arthritis62%
• Diabetes50%
• Heart failure43%
• COPD31%

Hospitals where Kanagaratnam Sivalingam works

Medicare's Facility Affiliation Data lists Kanagaratnam Sivalingam 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.

• Antelope Valley HospitalLancaster, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050056

Practice locations

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

• 44725 10th St W, Suite 170Lancaster, CA 93534 (661) 726‑3724

Group practices

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

• Sivalingam Medical Corporation, Inc.3 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Lancaster

Clinicians with the same Medicare primary specialty in Lancaster, CA — not a recommendation.

• Russell Greif, DO
• Atef Mousa, DO
• Gyanesh Agrawal, MD
• Ararat A. Avetisyan, MD
• Alexandra O. Orchard, MD
• George Husari, DO
• Barsam Barsamian, DO
• Patricia S. Wu, MD

All internal medicine doctors in Lancaster →

Other clinicians in Sivalingam Medical Corporation, Inc.

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

• Eric C. Denley, MD
• Ashmead Ali, MD

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