Individual
DR. ENNIS J. DUFFIS
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
M.D.
Contact information
Practice address
3300 MAIN ST, 3RD FLOOR, SUITE C&D, SPRINGFIELD, MA 01107-1112
(413) 794-5600
(413) 794-7297
Mailing address
280 CHESTNUT ST, 2ND FL, SPRINGFIELD, MA 01199-1001
(413) 794-5700
Taxonomy
Speciality
Code
Description
License number
State
2084N0400X
Neurology Physician
Primary
239113
MA
2084N0400X
Neurology Physician
342542
NY
2084V0102X
Vascular Neurology Physician
239113
MA
Other
Enumeration date
01/16/2007
Last updated
03/19/2026
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