Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. James William Grosleib, DDS
Dentist in Valley Village, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1841480555
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Registry record
Entity type Individual (Type 1)
Name Dr. James William Grosleib
Credential DDS
Sex Male
Practice address 12131 Magnolia Blvd, Valley Village, CA, 91607
Phone (818) 763-8999
Enumeration date Jul 29, 2007
Last updated in NPPES Mar 29, 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 James Grosleib practice?
The practice location on file with NPPES is in Valley Village, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for James Grosleib?
The National Provider Identifier (NPI) for James Grosleib is 1841480555, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-03-29.