Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Aparna Kaleeckal Rajalakshmi, M.B.B.S.

Pediatrics Physician in Lancaster, CA · enumerated 2020.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1639790843

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Registry record

Entity type Individual (Type 1)

Name Aparna Kaleeckal Rajalakshmi

Credential M.B.B.S.

Sex Female

Practice address 45124 10th St W, Lancaster, CA, 93534

Phone (562) 867-7999

Fax (631) 376-3420

Enumeration date Apr 28, 2020

Last updated in NPPES Sep 13, 2023

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License A187845 (CA) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Aparna Kaleeckal Rajalakshmi practice?

The practice location on file with NPPES is in Lancaster, CA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Aparna Kaleeckal Rajalakshmi?

The National Provider Identifier (NPI) for Aparna Kaleeckal Rajalakshmi is 1639790843, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-09-13.