Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Cynthia Lang
Optometrist in Washington, IN · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1033307210
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Registry record
Entity type Individual (Type 1)
Name Cynthia Lang
Sex Female
Practice address 400 E National Hwy, Washington, IN, 47501
Phone (812) 254-6594
Enumeration date Oct 12, 2007
Last updated in NPPES Oct 12, 2007
Taxonomy & licenses
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 Cynthia Lang?
The National Provider Identifier (NPI) for Cynthia Lang is 1033307210, a Type 1 (individual) record in the CMS NPPES registry.
Where does Cynthia Lang practice?
The practice location on file with NPPES is in Washington, IN. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-10-12.