Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Leonard Welch, DDS
Dentist in Columbus, OH · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1265492540
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Mr. Leonard Welch
Credential DDS
Sex Male
Practice address 1493 Parsons Ave, Columbus, OH, 43207
Phone (614) 258-3880
Fax (614) 252-5873
Enumeration date Mar 23, 2006
Last updated in NPPES Dec 27, 2012
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0922649 | 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 Leonard Welch?
The National Provider Identifier (NPI) for Leonard Welch is 1265492540, a Type 1 (individual) record in the CMS NPPES registry.
Where does Leonard Welch practice?
The practice location on file with NPPES is in Columbus, 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 2012-12-27.