Dr. Mary Mahler MD
About this NPIWhat this record shows.
NPI 1326703927 is registered to Dr. Mary Mahler MD, a Medical Oncology Physician practising at 51 N 39th St in Philadelphia, Pennsylvania. Medical Oncology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Mary Mahler MD has been enumerated in the National Provider Identifier (NPI) registry since 2021.
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 Dr. Mary Mahler MD accepts. To confirm in-network status with your specific health plan, contact Dr. Mary Mahler MD directly at (215) 662-9801.
Frequently asked
Yes. NPI 1326703927 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Medical 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 (215) 662-9801.
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. Dr. Mary Mahler MD is a Type-1 individual NPI.