Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Ennis J. Duffis, MD

Individual provider Vascular Neurology Physician · NPI 1174674295

Dr. Ennis J. Duffis, MD is a Neurology in Springfield, Massachusetts. Qualified in 2005, 21 years ago. Practices with Baystate Medical Practices Inc, a 1,346-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts and New York.

Years since qualifying
21
Licensed in
MA, NY
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3300 Main St 3rd Fl Ste C&d
Springfield, MA 01107-1112
Phone: (413) 794-5600
Fax: (413) 794-7297
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 30 Harrison St Ste 400, Johnson City, NY 13790-2176 — (607) 763-8008

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence 239113 (MA)
Vascular Neurology Physician Taxonomy 2084V0102X · Licence 239113 (MA)
Neurology Physician Taxonomy 2084N0400X · Licence 342542 (NY)

Record details

NPI number1174674295
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 16, 2007
Last updated in NPPESMarch 19, 2026
Certification dateMarch 19, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEUROLOGY
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Baystate Medical Practices Inc — 1346 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations6 on file with Medicare

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