Quick answers
- Which hospitals does Ennis J. Duffis work at?
- Medicare's official clinician data lists Ennis J. Duffis at 2 hospitals: Baystate Medical Center and United Health Services Hospitals, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ennis J. Duffis see patients?
- Medicare's clinician data lists 6 practice locations, including Springfield, MA and Johnson City, NY. Call before your visit to confirm the address.
- What is Ennis J. Duffis's specialty?
- Medicare lists Neurology as the primary specialty.
- Does Ennis J. Duffis accept Medicare assignment?
- Yes. Medicare's clinician data says Ennis J. Duffis accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Ennis J. Duffis offer telehealth?
- Medicare's clinician data says Ennis J. Duffis offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ennis J. Duffis?
- (607) 763-8102, as listed in official Medicare / NPI Registry data.
- What is Ennis J. Duffis's NPI number?
- 1174674295. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ennis J. Duffis works
Medicare's Facility Affiliation Data lists Ennis J. Duffis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baystate Medical CenterSpringfield, MA · Acute Care Hospital · CCN 220077
- United Health Services Hospitals, IncBinghamton, NY · Acute Care Hospital · CCN 330394
Practice locations
Addresses where Ennis J. Duffis is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 280 Chestnut St, Suite 2Springfield, MA 01199
- 30 Harrison St, Suite 400Johnson City, NY 13790 (607) 763‑8102
- 3300 Main StSpringfield, MA 01107
- 3300 Main St, Fl 4Springfield, MA 01107 (413) 794‑7045
- 3350 Main StSpringfield, MA 01107 (413) 794‑9338
Group practices
Medicare enrollment lists Ennis J. Duffis as a member of these groups (CMS data updated 2026-10-02).
- Baystate Medical Practices Inc1,369 clinicians in the group
- United Health Services Hospitals, Inc.477 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Springfield
Clinicians with the same Medicare primary specialty in Springfield, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1174674295 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians