Kanagaratnam Sivalingam, M.D.
NPI 1578578365 · Geriatric Medicine (Internal Medicine) Physician · Lancaster, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kanagaratnam Sivalingam, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Lancaster, CA (NPI 1578578365).
Provider details
- NPI number
- 1578578365
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A30091 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
14,063 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 4,799 | $137 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, Each Additional 20 Minutes99458 | 2,263 | $42 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 1,741 | $54 |
| Remote Monitoring of Physiologic Parameters, Initial Supply of Devices With Daily Recordings Or Programmed Alerts Transmission, Each 30 Days99454 | 819 | $55 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 703 | $138 |
| Telephone Medical Discussion With Physician, 21-30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 89 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 171 | 64 |
| Rosuvastatin Calcium | 115 | 45 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 106 | 33 |
| Amlodipine Besylate | 102 | 42 |
| Levothyroxine Sodium | 94 | 22 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 91 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$562 across 26 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-30
- Last updated
- 2014-12-18
Frequently asked questions
- What is Kanagaratnam Sivalingam's NPI number?
- Kanagaratnam Sivalingam's National Provider Identifier (NPI) is 1578578365, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kanagaratnam Sivalingam's specialty?
- Kanagaratnam Sivalingam is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Kanagaratnam Sivalingam located?
- Kanagaratnam Sivalingam's practice location on file with NPPES is 44725 N. 10th St. West, Lancaster, CA 93534.
- What is Kanagaratnam Sivalingam's phone number?
- The practice phone number listed in the NPPES registry for Kanagaratnam Sivalingam is (661) 726-3724.
- Does Kanagaratnam Sivalingam accept Medicare?
- Kanagaratnam Sivalingam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kanagaratnam Sivalingam's NPI active?
- Yes — Kanagaratnam Sivalingam's NPI (1578578365) is active in the NPPES registry as of the last update on 2014-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.