Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ela Mazumdar, MSW
Social Worker in Pittsburg, CA · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1063902351
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Registry record
Entity type Individual (Type 1)
Name Ela Mazumdar
Credential MSW
Sex Female
Practice address 4141 Harbor St, Pittsburg, CA, 94565
Phone (925) 473-2440
Enumeration date May 13, 2018
Last updated in NPPES May 4, 2023
Taxonomy & licenses
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.
Frequently asked questions
Where does Ela Mazumdar practice?
The practice location on file with NPPES is in Pittsburg, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Ela Mazumdar?
The National Provider Identifier (NPI) for Ela Mazumdar is 1063902351, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-05-04.