Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Lenore Caroline Hummelman, O.D.
Optometrist in Chula Vista, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1093918435
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Registry record
Entity type Individual (Type 1)
Name Dr. Lenore Caroline Hummelman
Credential O.D.
Sex Female
Practice address 330 Oxford St Ste 214, Chula Vista, CA, 91911
Phone (619) 420-3010
Fax (619) 420-4123
Enumeration date Jun 5, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD 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 Lenore Hummelman practice?
The practice location on file with NPPES is in Chula Vista, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Lenore Hummelman?
The National Provider Identifier (NPI) for Lenore Hummelman is 1093918435, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.