Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Joseph Michael Thallemer, O.D.
Optometrist in Warsaw, IN · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1578595336
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Registry record
Entity type Individual (Type 1)
Name Dr. Joseph Michael Thallemer
Credential O.D.
Sex Male
Practice address 3301 E Center Street Ext, Warsaw, IN, 46582
Phone (574) 269-3828
Fax (574) 269-3848
Enumeration date Jul 6, 2006
Last updated in NPPES Oct 15, 2009
Taxonomy & licenses
152WC0802X Corneal and Contact Management Optometrist Eye and Vision Services Providers · License 18001892A (IN) Secondary
152WL0500X Low Vision Rehabilitation Optometrist Eye and Vision Services Providers · License 18001892A (IN) Secondary
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 100157080A | Medicaid | IN | - |
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
What is the NPI number for Joseph Thallemer?
The National Provider Identifier (NPI) for Joseph Thallemer is 1578595336, a Type 1 (individual) record in the CMS NPPES registry.
Where does Joseph Thallemer practice?
The practice location on file with NPPES is in Warsaw, IN. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Rachel Johnson Optometrist · Warsaw, IN NPI 1972528123 Joseph M. Thallemer, O.D., P.C. Optometrist · Warsaw, IN NPI 1265587034 Joseph M. Thallemer, O.D., P.C. Durable Medical Equipment & Medical Supplies · Warsaw, IN NPI 1013186253 Mitchell Reinholt Optometrist · Warsaw, IN NPI 1558700690 Mitchell Reinholt, Od, LLC Optometrist · Warsaw, IN NPI 1952936973
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-10-15.