Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mark Otis Shearer, PT
Physical Therapist in Corning, IA · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1275050114
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Registry record
Entity type Individual (Type 1)
Name Mark Otis Shearer
Credential PT
Sex Male
Practice address 603 Rosary Dr, Corning, IA, 50841
Phone (641) 322-3121
Enumeration date Aug 22, 2017
Last updated in NPPES Mar 17, 2018
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 3026 (NE) Secondary
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 004837 (IA) Primary
PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation.
About the PT 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 Shearer?
The National Provider Identifier (NPI) for Mark Shearer is 1275050114, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Shearer practice?
The practice location on file with NPPES is in Corning, IA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Alegent Health - Mercy Hospital, Corning Iowa Critical Access Hospital · Corning, IA NPI 1699856260 Alegent Health - Mercy Hospital, Corning, Iowa Medicare Defined Swing Bed Hospital Unit · Corning, IA NPI 1134204613 Urology Center, PC Urology Physician · Corning, IA NPI 1811064603 Caroline Amao Family Medicine Physician · Corning, IA NPI 1619032554 Linda Klejch Registered Dietitian · Corning, IA NPI 1407911340 Alegent Health Mercy Hospital Corning, Iowa Emergency Medicine Physician · Corning, IA NPI 1649334574 Clinton Allen Physical Therapist · Corning, IA NPI 1659405348 Christy Douglas Physical Therapy Assistant · Corning, IA NPI 1598889073
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-03-17.