Quick answers
- Which hospitals does John C. Hostetter work at?
- Medicare's official clinician data lists John C. Hostetter at 4 hospitals: Beth Israel Deaconess Medical Center, Cape Cod Hospital, Falmouth Hospital and Martha's Vineyard Hospital Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John C. Hostetter see patients?
- Medicare's clinician data lists 2 practice locations, including Sandwich, MA and Falmouth, MA. Call before your visit to confirm the address.
- What is John C. Hostetter's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does John C. Hostetter accept Medicare assignment?
- Yes. Medicare's clinician data says John C. Hostetter 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 John C. Hostetter offer telehealth?
- Medicare's clinician data says John C. Hostetter offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John C. Hostetter?
- (508) 833-8247, as listed in official Medicare / NPI Registry data.
- What is John C. Hostetter's NPI number?
- 1518069954. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John C. Hostetter works
Medicare's Facility Affiliation Data lists John C. Hostetter at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Beth Israel Deaconess Medical CenterBoston, MA · Acute Care Hospital · CCN 220086
- Cape Cod HospitalHyannis, MA · Acute Care Hospital · CCN 220012
- Falmouth HospitalFalmouth, MA · Acute Care Hospital · CCN 220135
- Martha's Vineyard Hospital IncOak Bluffs, MA · Critical Access Hospital · CCN 221300
Practice locations
Addresses where John C. Hostetter is enrolled with Medicare (CMS data updated 2026-10-02).
- 2 Jan Sebastian DrSandwich, MA 02563 (508) 833‑8247
- 90 Ter Heun Dr, Suite 302Falmouth, MA 02540 (508) 495‑7160
Group practices
Medicare enrollment lists John C. Hostetter as a member of this group (CMS data updated 2026-10-02).
- Medical Affiliates of Cape Cod Inc229 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Massachusetts →
Other cardiologists in Sandwich
Clinicians with the same Medicare primary specialty in Sandwich, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1518069954 |
| 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