Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mark Gregory Barton, PA
Physician Assistant in Ashland, OH · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1811953417
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Registry record
Entity type Individual (Type 1)
Name Mark Gregory Barton
Credential PA
Sex Male
Practice address 1025 Center St, Ashland, OH, 44805
Phone (419) 289-0491
Enumeration date Apr 22, 2006
Last updated in NPPES Mar 21, 2018
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 50.000607 (OH) Primary
PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program.
About the PA 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
Where does Mark Barton practice?
The practice location on file with NPPES is in Ashland, OH. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mark Barton?
The National Provider Identifier (NPI) for Mark Barton is 1811953417, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Alexander Tucker Internal Medicine Physician · Ashland, OH NPI 1912905845 David Frazee Anesthesiology Physician · Ashland, OH NPI 1548256654 Michael Martin Anesthesiology Physician · Ashland, OH NPI 1740276492 Raymond Steinhauser Anesthesiology Physician · Ashland, OH NPI 1518954205 Harold Reed Anesthesiology Physician · Ashland, OH NPI 1659368140 Arvind Malhotra Diagnostic Radiology Physician · Ashland, OH NPI 1437146677 Tanya Mounts Pharmacist · Ashland, OH NPI 1407845431 Robert Davis Gastroenterology Physician · Ashland, OH NPI 1811988637
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-03-21.