Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mark A Penshorn, DDS
Dentist in Schertz, TX · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1417394396
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Registry record
Entity type Individual (Type 1)
Name Mark A Penshorn
Credential DDS
Sex Male
Practice address 2501 Fm 3009, Schertz, TX, 78154
Phone (210) 659-1379
Fax (210) 659-6215
Enumeration date May 31, 2013
Last updated in NPPES May 31, 2013
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS 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
What is the NPI number for Mark Penshorn?
The National Provider Identifier (NPI) for Mark Penshorn is 1417394396, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Penshorn practice?
The practice location on file with NPPES is in Schertz, TX. 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 2013-05-31.