Quick answers
- Which hospitals does Ryan M. Smith work at?
- Medicare's official clinician data lists Ryan M. Smith at 5 hospitals: Adventist Health Castle, Hilo Benioff Medical Center, Kau Hospital, Maui Memorial Medical Center and The Queens Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan M. Smith see patients?
- Medicare's clinician data lists 2 practice locations, including Honolulu, HI and Kailua, HI. Call before your visit to confirm the address.
- What is Ryan M. Smith's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Ryan M. Smith accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan M. Smith 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 Ryan M. Smith?
- (808) 852-8503, as listed in official Medicare / NPI Registry data.
- What is Ryan M. Smith's NPI number?
- 1639157365. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ryan M. Smith works
Medicare's Facility Affiliation Data lists Ryan M. Smith 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
- Hilo Benioff Medical CenterHilo, HI · Acute Care Hospital · CCN 120005
- Kau HospitalPahala, HI · Critical Access Hospital · CCN 121301
- Maui Memorial Medical CenterWailuku, HI · Acute Care Hospital · CCN 120002
- The Queens Medical CenterHonolulu, HI · Acute Care Hospital · CCN 120001
Practice locations
Addresses where Ryan M. Smith is enrolled with Medicare (CMS data updated 2026-10-02).
- 2226 Liliha St, Suite 304Honolulu, HI 96817 (808) 852‑8503
- 640 Ulukahiki StKailua, HI 96734 (808) 263‑5142
Group practices
Medicare enrollment lists Ryan M. Smith as a member of these groups (CMS data updated 2026-10-02).
- Castle Medical Center77 clinicians in the group
- Ryan M Smith DO Inc7 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Hawaii →
Other cardiologists in Honolulu
Clinicians with the same Medicare primary specialty in Honolulu, HI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639157365 |
| 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