Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Thomas J Landgraf, OD
Optometrist in Saint Louis, MO · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1427041615
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Registry record
Entity type Individual (Type 1)
Name Dr. Thomas J Landgraf
Credential OD
Sex Male
Practice address 7840 Natural Bridge Rd, Patient Care Center, Saint Louis, MO, 63121
Phone (314) 516-5131
Fax (314) 516-5507
Enumeration date Aug 24, 2005
Last updated in NPPES Jun 10, 2020
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 Thomas Landgraf 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 Thomas Landgraf?
The National Provider Identifier (NPI) for Thomas Landgraf is 1427041615, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Mary Rhomberg Optometrist · St. Louis, MO NPI 1144210519 Linda Marks Optometrist · Saint Louis, MO NPI 1770699498 Vinita Henry Optometrist · Saint Louis, MO NPI 1699881326 Julie Dekinder Optometrist · Saint Louis, MO NPI 1346356086 Ralph Garzia Optometrist · Saint Louis, MO NPI 1780790410 Kathleen Boland Optometrist · Saint Louis, MO NPI 1093822389 Aaron Franzel Optometrist · Saint Louis, MO NPI 1124138193 Beth Henderson Optometrist · Saint Louis, MO NPI 1871684274
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-06-10.