Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Maria Lydia Uson Ampil, D.D.S.
Dentist in Carson, CA · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1548537954
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Registry record
Entity type Individual (Type 1)
Name Dr. Maria Lydia Uson Ampil
Credential D.D.S.
Sex Female
Practice address 539 East Lomita Blvd., Unit 4, Carson, CA, 90745
Phone (310) 507-3550
Fax (310) 830-4797
Enumeration date Nov 30, 2011
Last updated in NPPES Nov 30, 2011
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS credential
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
What is the NPI number for Maria Lydia Ampil?
The National Provider Identifier (NPI) for Maria Lydia Ampil is 1548537954, a Type 1 (individual) record in the CMS NPPES registry.
Where does Maria Lydia Ampil practice?
The practice location on file with NPPES is in Carson, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-11-30.