Thomas Williams, MD
NPI 1427283605 · Diagnostic Radiology Physician · Honolulu, HI
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Williams, MD is a Diagnostic Radiology Physician provider in Honolulu, HI (NPI 1427283605).
Provider details
- NPI number
- 1427283605
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD-18096 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,026 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 372 | $39 |
| Mri Scan of Brain Without Contrast70551 | 232 | $68 |
| Ct Scan of Blood Vessels of Head With Contrast70496 | 211 | $81 |
| X-Ray of Chest, 1 View71045 | 200 | $8 |
| Ct Scan of Blood Vessels of Neck With Contrast70498 | 198 | $78 |
| Mri Scan of Brain Before and After Contrast70553 | 192 | $106 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-05-18
- Last updated
- 2016-09-21
Frequently asked questions
- What is Thomas Williams's NPI number?
- Thomas Williams's National Provider Identifier (NPI) is 1427283605, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Williams's specialty?
- Thomas Williams is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Williams located?
- Thomas Williams's practice location on file with NPPES is 1329 Lusitana St, Honolulu, HI 96813-2429.
- What is Thomas Williams's phone number?
- The practice phone number listed in the NPPES registry for Thomas Williams is (808) 748-4700.
- Does Thomas Williams accept Medicare?
- Thomas Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Williams's NPI active?
- Yes — Thomas Williams's NPI (1427283605) is active in the NPPES registry as of the last update on 2016-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.