Quick answers
- Which hospitals does John L. Bossian work at?
- Medicare's official clinician data lists John L. Bossian at 4 hospitals: Adventist Health Castle, Kapiolani Medical Center for Women & Children, Pali Momi Medical Center and Straub Clinic and Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John L. Bossian see patients?
- Medicare's clinician data lists 1 practice location in Honolulu, HI. Call before your visit to confirm the address.
- What is John L. Bossian's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does John L. Bossian accept Medicare assignment?
- Yes. Medicare's clinician data says John L. Bossian 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 L. Bossian offer telehealth?
- Medicare's clinician data says John L. Bossian offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John L. Bossian?
- (808) 522-4000, as listed in official Medicare / NPI Registry data.
- What is John L. Bossian's NPI number?
- 1881651271. 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 L. Bossian works
Medicare's Facility Affiliation Data lists John L. Bossian at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health CastleKailua, HI · Acute Care Hospital · CCN 120006
- Kapiolani Medical Center for Women & ChildrenHonolulu, HI · Children's Hospital · CCN 123300
- Pali Momi Medical CenterAiea, HI · Acute Care Hospital · CCN 120026
- Straub Clinic and HospitalHonolulu, HI · Acute Care Hospital · CCN 120022
Practice locations
Addresses where John L. Bossian is enrolled with Medicare (CMS data updated 2026-10-02).
- 888 S King StHonolulu, HI 96813 (808) 522‑4000
Group practices
Medicare enrollment lists John L. Bossian as a member of this group (CMS data updated 2026-10-02).
- Straub Clinic and Hospital419 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Honolulu
Clinicians with the same Medicare primary specialty in Honolulu, HI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Des Moines University Of Osteopathic Medicine And Health Sciences |
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1881651271 |
| 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