Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Lawrence Jonathan Mesarch, O.D.
Optometrist in Logan, OH · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1386736726
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Registry record
Entity type Individual (Type 1)
Name Dr. Lawrence Jonathan Mesarch
Credential O.D.
Sex Male
Practice address 57 S Walnut St, Logan, OH, 43138
Phone (740) 385-4006
Fax (740) 385-4043
Enumeration date Sep 29, 2006
Last updated in NPPES Dec 28, 2011
Taxonomy & licenses
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 |
|---|---|---|---|
| 2622497 | Medicaid | OH | - |
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 Lawrence Mesarch?
The National Provider Identifier (NPI) for Lawrence Mesarch is 1386736726, a Type 1 (individual) record in the CMS NPPES registry.
Where does Lawrence Mesarch practice?
The practice location on file with NPPES is in Logan, OH. 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 2011-12-28.