Search › Massachusetts › Internal Medicine Physician
Issam Oneyssi, M.D
NPI 1528026622 · on the registry since 2006
Practice
- Address
- 100 South St
Southbridge, MA 01550 - Phone
- (508) 765-9771
- Fax
- (508) 909-7735
- Organisation at this address
- Belezos Medical Pc
Hugh M. Cooper Md Pc
Donald J Gentile Md Pc
Focused Primary Care Pc
Imaging Consultants IncInferred from a shared address, not stated in the registry. - Clinicians at this address
- 137
Additional practice sites
- 421 N Main St, Leeds, MA
Registry record
- Primary taxonomy
- Internal Medicine Physician
207R00000X
- Licence states on file
- MA
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2025-10-02
Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Massachusetts