William Okuno, M.D.
NPI 1861492928 · Diagnostic Radiology Physician · Park Ridge, IL
William Okuno, M.D. is a Diagnostic Radiology Physician provider in Park Ridge, IL (NPI 1861492928).
Provider details
- NPI number
- 1861492928
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036099946 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-29
- Last updated
- 2021-12-13
- Certified
- 2021-12-13
Frequently asked questions
- What is William Okuno's NPI number?
- William Okuno's National Provider Identifier (NPI) is 1861492928, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Okuno's specialty?
- William Okuno is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Okuno located?
- William Okuno's practice location on file with NPPES is 1420 Renaissance Dr, Park Ridge, IL 60068-1330.
- What is William Okuno's phone number?
- The practice phone number listed in the NPPES registry for William Okuno is (847) 803-1000.
- Is William Okuno's NPI active?
- Yes — William Okuno's NPI (1861492928) is active in the NPPES registry as of the last update on 2021-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.