Quick answers
- Which hospitals does Benjamin D. Gallagher work at?
- Medicare's official clinician data lists Benjamin D. Gallagher at 1 hospital: Yale-New Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Benjamin D. Gallagher see patients?
- Medicare's clinician data lists 2 practice locations, including New Haven, CT. Call before your visit to confirm the address.
- What is Benjamin D. Gallagher's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Benjamin D. Gallagher accept Medicare assignment?
- Yes. Medicare's clinician data says Benjamin D. Gallagher 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 Benjamin D. Gallagher offer telehealth?
- Medicare's clinician data says Benjamin D. Gallagher offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Benjamin D. Gallagher?
- (203) 503-3228, as listed in official Medicare / NPI Registry data.
- What is Benjamin D. Gallagher's NPI number?
- 1578958005. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Benjamin D. Gallagher works
Medicare's Facility Affiliation Data lists Benjamin D. Gallagher at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Yale-New Haven HospitalNew Haven, CT · Acute Care Hospital · CCN 070022
Practice locations
Addresses where Benjamin D. Gallagher is enrolled with Medicare (CMS data updated 2026-10-02).
- 428 Columbus AveNew Haven, CT 06519 (203) 503‑3228
- 789 Howard AveNew Haven, CT 06519 (203) 688‑2471
Group practices
Medicare enrollment lists Benjamin D. Gallagher as a member of these groups (CMS data updated 2026-10-02).
- Yale University2,645 clinicians in the group
- Cornell Scott Hill Health Corporation271 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in New Haven
Clinicians with the same Medicare primary specialty in New Haven, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Columbia University College Of Physicians And Surgeons |
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1578958005 |
| 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