Mark Harrison MD PLLC
About this NPIWhat this record shows.
NPI 1104234640 is registered to Mark Harrison MD PLLC, a healthcare organisation classified as "Radiation Oncology Physician" and located at 1719 Treasure Hills Blvd in Harlingen, Texas. The organisation's authorised official is Mark Harrison. The organisation has been enumerated in the NPI registry since 2014.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Mark Harrison MD PLLC accepts. To confirm in-network status with your specific health plan, contact Mark Harrison MD PLLC directly at (956) 430-9400.
Frequently asked
Yes. NPI 1104234640 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Radiation Oncology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (956) 430-9400.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Mark Harrison MD PLLC is a Type-2 organisational NPI.