Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Harry W Wertsch, OD
Optometrist in Lititz, PA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1558354795
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Registry record
Entity type Individual (Type 1)
Name Dr. Harry W Wertsch
Credential OD
Sex Male
Practice address 65 E Main St, Lititz, PA, 17543
Phone (717) 626-8100
Fax (717) 626-0389
Enumeration date Aug 23, 2005
Last updated in NPPES Dec 7, 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 Harry Wertsch practice?
The practice location on file with NPPES is in Lititz, PA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Harry Wertsch?
The National Provider Identifier (NPI) for Harry Wertsch is 1558354795, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Karen Malleus Optometrist · Lititz, PA NPI 1164415303 Pamela Snavely-Dickow Optometrist · Lititz, PA NPI 1578556734 Leigh Moser Optometrist · Lititz, PA NPI 1427041680 Wertsch Vision Assoc Optometrist · Lititz, PA NPI 1134179898 Wertsch & Company PC Optometrist · Lititz, PA NPI 1255605366 Lititz Eye Care PC Optometrist · Lititz, PA NPI 1518520840
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-12-07.