Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mark Caldarola, OD
Optometrist in Saint Louis, MO · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1396886453
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Dr. Mark Caldarola
Credential OD
Sex Male
Practice address 10275 Watson Rd, Saint Louis, MO, 63127
Phone (314) 909-9975
Fax (314) 835-0284
Enumeration date Feb 10, 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 Mark Caldarola practice?
The practice location on file with NPPES is in Saint Louis, MO. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mark Caldarola?
The National Provider Identifier (NPI) for Mark Caldarola is 1396886453, 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 2007-07-08.