Quick answers
- Which hospitals does Thomas R. Williams Iii work at?
- Medicare's official clinician data lists Thomas R. Williams Iii at 5 hospitals: Adventist Health Castle, Molokai General Hospital, North Hawaii Community Hospital, Inc, Straub Clinic and Hospital and The Queens Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Thomas R. Williams Iii see patients?
- Medicare's clinician data lists 9 practice locations, including Honolulu, HI, Wahiawa, HI and Kamuela, HI. Call before your visit to confirm the address.
- What is Thomas R. Williams Iii's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Thomas R. Williams Iii accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas R. Williams Iii 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 Thomas R. Williams Iii?
- (808) 691-6800, as listed in official Medicare / NPI Registry data.
- What is Thomas R. Williams Iii's NPI number?
- 1427283605. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Thomas R. Williams Iii works
Medicare's Facility Affiliation Data lists Thomas R. Williams Iii 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
- Molokai General HospitalKaunakakai, HI · Critical Access Hospital · CCN 121303
- North Hawaii Community Hospital, IncKamuela, HI · Acute Care Hospital · CCN 120028
- Straub Clinic and HospitalHonolulu, HI · Acute Care Hospital · CCN 120022
- The Queens Medical CenterHonolulu, HI · Acute Care Hospital · CCN 120001
Practice locations
Addresses where Thomas R. Williams Iii is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 1215 Hunakai StHonolulu, HI 96816
- 128 Lehua StWahiawa, HI 96786 (808) 691‑6800
- 1301 Punchbowl StHonolulu, HI 96813
- 1380 Lusitana StHonolulu, HI 96813
- 1401 S Beretania St, Suite 750Honolulu, HI 96814 (808) 691‑8526
Group practices
Medicare enrollment lists Thomas R. Williams Iii as a member of these groups (CMS data updated 2026-10-02).
- Queens University Medical Group614 clinicians in the group
- Queens North Hawaii Community Hospital108 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Honolulu
Clinicians with the same Medicare primary specialty in Honolulu, HI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Duke University School Of Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427283605 |
| 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