Sivalingam Medical Corporation Inc
NPI 1164437042 · Internal Medicine Physician · Lancaster, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sivalingam Medical Corporation Inc is a Internal Medicine Physician organization in Lancaster, CA (NPI 1164437042).
Provider details
- NPI number
- 1164437042
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Hari Chandran, Business Manager(661) 726-3724
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Specialist174400000X
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- First Valley Medical Group
- Doing business as
- First Valley Medical Group
Registry dates
- Enumerated
- 2006-07-29
- Last updated
- 2023-03-17
- Certified
- 2023-03-14
Frequently asked questions
- What is Sivalingam Medical Corporation Inc's NPI number?
- Sivalingam Medical Corporation Inc's National Provider Identifier (NPI) is 1164437042, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sivalingam Medical Corporation Inc?
- Sivalingam Medical Corporation Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sivalingam Medical Corporation Inc located?
- Sivalingam Medical Corporation Inc's practice location on file with NPPES is 44725 10th St W Ste 170, Lancaster, CA 93534-3000.
- What is Sivalingam Medical Corporation Inc's phone number?
- The practice phone number listed in the NPPES registry for Sivalingam Medical Corporation Inc is (661) 726-3724.
- Does Sivalingam Medical Corporation Inc accept Medicare?
- Sivalingam Medical Corporation Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Sivalingam Medical Corporation Inc?
- The authorized official listed on Sivalingam Medical Corporation Inc's NPPES record is Hari Chandran, Business Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sivalingam Medical Corporation Inc's NPI active?
- Yes — Sivalingam Medical Corporation Inc's NPI (1164437042) is active in the NPPES registry as of the last update on 2023-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.