Leon Pappas MD, PHD
About this NPIWhat this record shows.
NPI 1164910519 is registered to Leon Pappas MD, PHD, a Medical Oncology Physician practising at 55 Fruit St in Boston, Massachusetts. Medical Oncology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Leon Pappas MD, PHD has been enumerated in the National Provider Identifier (NPI) registry since 2018.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20240606003123Internal MedicineMA
Source: CMS PECOS public enrollment file.
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 Leon Pappas MD, PHD accepts. To confirm in-network status with your specific health plan, contact Leon Pappas MD, PHD directly at (617) 643-0596.
Frequently asked
Yes. NPI 1164910519 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 (617) 643-0596.
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. Leon Pappas MD, PHD is a Type-1 individual NPI.