Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Lucille J. Guastella, D.D.S.
Periodontics in Pleasanton, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1952441321
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Registry record
Entity type Individual (Type 1)
Name Dr. Lucille J. Guastella
Credential D.D.S.
Sex Female
Practice address 5700 Stoneridge Mall Rd, Suite 290, Pleasanton, CA, 94588
Phone (925) 463-1450
Enumeration date Feb 7, 2007
Last updated in NPPES Sep 23, 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
Where does Lucille Guastella practice?
The practice location on file with NPPES is in Pleasanton, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Lucille Guastella?
The National Provider Identifier (NPI) for Lucille Guastella is 1952441321, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Ralph Vandersloot Periodontics · Pleasanton, CA NPI 1952304602 Peggy Wynne Marriage & Family Therapist · Pleasanton, CA NPI 1518939339 Craig P Klooster Dpm PC Podiatrist · Pleasanton, CA NPI 1295843985 Craig Klooster Podiatrist · Pleasanton, CA NPI 1568563575 Express Medicine Urgent Care, Inc. Urgent Care Clinic/Center · Pleasanton, CA NPI 1578818696
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-09-23.