SIVALINGAM MEDICAL CORPORATION, INC
NPI 1780959585
Internal Medicine in Lancaster, CA
About Sivalingam Medical Corporation, Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SIVALINGAM MEDICAL CORPORATION, INC (NPI 1780959585) is a healthcare organization registered as an internal medicine in Lancaster, California and active in the NPI registry since March 2012. The organization lists Kanagaratnam Sivalingam, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sivalingam Medical Corporation, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by February 28, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
5Medicare enrollment records show 5 clinicians reassign Medicare billing to Sivalingam Medical Corporation, Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.
Clinicians, nearest first (5)
Lancaster, CA 93534
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sivalingam Medical Corporation, Inc's NPI number?
The NPI number for Sivalingam Medical Corporation, Inc is 1780959585. It was assigned to this organization in the NPPES registry on March 13, 2012.
Where is Sivalingam Medical Corporation, Inc located?
Sivalingam Medical Corporation, Inc is located at 44725 10th St W Suite 210, Lancaster, CA 93534. The listed phone number is (661) 726-3058.
What is Sivalingam Medical Corporation, Inc's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Sivalingam Medical Corporation, Inc enrolled in Medicare?
Yes. Sivalingam Medical Corporation, Inc is registered in the Medicare PECOS enrollment system.
When is Sivalingam Medical Corporation, Inc's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Sivalingam Medical Corporation, Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians reassign their Medicare billing to Sivalingam Medical Corporation, Inc, in Family Practice, General Practice, Internal Medicine and Nurse Practitioner. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Sivalingam Medical Corporation, Inc was last updated on March 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Sivalingam Medical Corporation, Inc · NPI 1780959585
Internal Medicine organization in Lancaster, California. Organization record, active in the CMS NPPES registry since March 13, 2012.
## Identity
- **NPI:** 1780959585 (Entity type: Organization)
- **Enumerated:** March 13, 2012
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Kanagaratnam Sivalingam, PRESIDENT
## Practice location
- **Address:** 44725 10TH ST W, SUITE 210, Lancaster, CA 93534-3033
- **Phone:** (661) 726-3058 · **Fax:** (661) 726-3723
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** February 28, 2027 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 5 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Family Practice (2), General Practice (1), Internal Medicine (1); 1 practice at this address and 2 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 17, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1780959585) · Data from the CMS NPPES public registry.