Quick answers
- Which hospitals does Ean Y. Callanan work at?
- Medicare's official clinician data lists Ean Y. Callanan at 1 hospital: Cape Cod Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ean Y. Callanan see patients?
- Medicare's clinician data lists 1 practice location in Hyannis, MA. Call before your visit to confirm the address.
- What is Ean Y. Callanan's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Ean Y. Callanan accept Medicare assignment?
- Yes. Medicare's clinician data says Ean Y. Callanan 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.
- What is the phone number for Ean Y. Callanan?
- (774) 552-6000, as listed in official Medicare / NPI Registry data.
- What is Ean Y. Callanan's NPI number?
- 1366417156. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ean Y. Callanan works
Medicare's Facility Affiliation Data lists Ean Y. Callanan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cape Cod HospitalHyannis, MA · Acute Care Hospital · CCN 220012
Practice locations
Addresses where Ean Y. Callanan is enrolled with Medicare (CMS data updated 2026-10-02).
- 27 Park StHyannis, MA 02601 (774) 552‑6000
Group practices
Medicare enrollment lists Ean Y. Callanan as a member of this group (CMS data updated 2026-10-02).
- Physicians of Cape Cod Hospital334 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Hyannis
Clinicians with the same Medicare primary specialty in Hyannis, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Eastern Virginia Medical School |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1366417156 |
| 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