Dr. Jonathan Downie MD, PHD
About this NPIWhat this record shows.
NPI 1306305503 is registered to Dr. Jonathan Downie MD, PHD, a Gastroenterology practising at 55 Fruit St in Boston, Massachusetts. Gastroenterology is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Jonathan Downie MD, PHD has been enumerated in the National Provider Identifier (NPI) registry since 2019.
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
- I20250529000937Internal 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 Dr. Jonathan Downie MD, PHD accepts. To confirm in-network status with your specific health plan, contact Dr. Jonathan Downie MD, PHD directly at (617) 726-2000.
Frequently asked
Yes. NPI 1306305503 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Gastroenterology 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) 726-2000.
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. Jonathan Downie MD, PHD is a Type-1 individual NPI.