Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mark P. Herron, PA-C
Physician Assistant in Penacook, NH · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1255605069
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Registry record
Entity type Individual (Type 1)
Name Mark P. Herron
Credential PA-C
Sex Male
Practice address 4 Crescent St, Penacook, NH, 03303
Phone (603) 753-4302
Fax (603) 227-7570
Enumeration date Feb 27, 2012
Last updated in NPPES Mar 19, 2021
Taxonomy & licenses
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 Herron practice?
The practice location on file with NPPES is in Penacook, NH. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mark Herron?
The National Provider Identifier (NPI) for Mark Herron is 1255605069, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Stacey Clark Physician Assistant · Penacook, NH NPI 1710968763 Margarita Shugol Family Medicine Physician · Penacook, NH NPI 1588639215 W. Smith Family Medicine Physician · Penacook, NH NPI 1144266594 Tad Lanagan Family Medicine Physician · Penacook, NH NPI 1386962819 Meghan Baron Medical Physician Assistant · Penacook, NH NPI 1528318565 Isabelle Waddell Family Nurse Practitioner · Penacook, NH NPI 1245668094 Insha Haque Family Medicine Physician · Penacook, NH NPI 1396126454 Stephanie Pierce Family Nurse Practitioner · Penacook, NH NPI 1811367469
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-03-19.