Search › Massachusetts › 2255R0406X
Mark Matthiessen
NPI 1164373676 · on the registry since 2026
Practice
- Address
- 377 Plantation St
Worcester, MA 01605 - Phone
- (413) 584-4040
- Organisation at this address
- Northampton Vamc
Inferred from a shared address, not stated in the registry.
- Clinicians at this address
- 10
Registry record
- Primary taxonomy
- 2255R0406X
2255R0406X
- Licence states on file
- MA
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2026-02-09
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