Karl Grenier MD, PHD
About this NPIWhat this record shows.
NPI 1154109478 is registered to Karl Grenier MD, PHD, a Pediatric Pathology Physician practising at 3401 Civic Center Blvd in Philadelphia, Pennsylvania. Pediatric Pathology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Karl Grenier MD, PHD has been enumerated in the National Provider Identifier (NPI) registry since 2023.
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 Karl Grenier MD, PHD accepts. To confirm in-network status with your specific health plan, contact Karl Grenier MD, PHD directly at (215) 590-7000.
Frequently asked
Yes. NPI 1154109478 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Pediatric Pathology 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 (215) 590-7000.
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. Karl Grenier MD, PHD is a Type-1 individual NPI.