Nathan Okano
NPI 1013805415 · Optometrist · Chicago, IL
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Okano is a Optometrist provider in Chicago, IL (NPI 1013805415).
Provider details
- NPI number
- 1013805415
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 046011993 (IL)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2025-06-25
- Last updated
- 2025-07-18
- Certified
- 2025-07-18
Frequently asked questions
- What is Nathan Okano's NPI number?
- Nathan Okano's National Provider Identifier (NPI) is 1013805415, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Okano's specialty?
- Nathan Okano is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Nathan Okano located?
- Nathan Okano's practice location on file with NPPES is 3241 S Michigan Ave, Chicago, IL 60616-4201.
- What is Nathan Okano's phone number?
- The practice phone number listed in the NPPES registry for Nathan Okano is (312) 225-6200.
- Does Nathan Okano accept Medicare?
- Nathan Okano is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Okano's NPI active?
- Yes — Nathan Okano's NPI (1013805415) is active in the NPPES registry as of the last update on 2025-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.