Kumarasamy Sivakumar, MD
NPI 1083762884 · Internal Medicine Physician · Lancaster, CA
Kumarasamy Sivakumar, MD is a Internal Medicine Physician provider in Lancaster, CA (NPI 1083762884).
Provider details
- NPI number
- 1083762884
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A54211 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
Registry dates
- Enumerated
- 2007-01-08
- Last updated
- 2017-03-30
Frequently asked questions
- What is Kumarasamy Sivakumar's NPI number?
- Kumarasamy Sivakumar's National Provider Identifier (NPI) is 1083762884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kumarasamy Sivakumar's specialty?
- Kumarasamy Sivakumar is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kumarasamy Sivakumar located?
- Kumarasamy Sivakumar's practice location on file with NPPES is 44215 15th St W, Lancaster, CA 93534-4014.
- What is Kumarasamy Sivakumar's phone number?
- The practice phone number listed in the NPPES registry for Kumarasamy Sivakumar is (661) 949-5908.
- Is Kumarasamy Sivakumar's NPI active?
- Yes — Kumarasamy Sivakumar's NPI (1083762884) is active in the NPPES registry as of the last update on 2017-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.