Is this information incorrect? This page shows public data from NPPES. Update your record in NPPES and this page will update automatically within 7 days.
Individual
JONATHAN PROULX
Active
Individual
JONATHAN PROULX
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Taxonomy
Speciality
Code
Description
License number
State
207RH0000X
Hematology (Internal Medicine) Physician
Primary
22815
NH
207RH0003X
Hematology & Oncology Physician
MD26071
ME
207RH0003X
Hematology & Oncology Physician
MD61686505
WA
207RX0202X
Medical Oncology Physician
22815
NH
Other
Enumeration date
04/04/2016
Last updated
01/09/2026
About Stedi
Stedi is the only programmable healthcare clearinghouse. You can use Stedi's APIs to process eligibility checks, claims, remits, and more.
Sign upProduct
Developers