Mark Horwitz M.S., Ccc-Slp
About this NPIWhat this record shows.
NPI 1154557346 is registered to Mark Horwitz M.S., Ccc-Slp, a Speech-Language Pathology practising at 425 Glen Echo Rd in Philadelphia, Pennsylvania. Speech-Language Pathology is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mark Horwitz M.S., Ccc-Slp has been enumerated in the National Provider Identifier (NPI) registry since 2009.
Your brand here.
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 Horwitz M.S., Ccc-Slp accepts. To confirm in-network status with your specific health plan, contact Mark Horwitz M.S., Ccc-Slp directly at (215) 500-6445.
Frequently asked
Yes. NPI 1154557346 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Speech-Language Pathology 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 (215) 500-6445.
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 Horwitz M.S., Ccc-Slp is a Type-1 individual NPI.