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Stephen Hashioka, DDS
NPI 1659409555 · Dentist · Chicago, IL
Stephen Hashioka, DDS is a Dentist provider in Chicago, IL (NPI 1659409555).
Provider details
- NPI number
- 1659409555
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
83% 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
55 E Washington St
Ste 1807
Chicago, IL 60602-2103
Phone: (312) 263-7661
Street-level locationGet directions
Mailing address
474 Uvedale Ct
Riverside, IL 60546-1649
Registry dates
- Enumerated
- 2007-03-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Stephen Hashioka's NPI number?
- Stephen Hashioka's National Provider Identifier (NPI) is 1659409555, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Hashioka's specialty?
- Stephen Hashioka is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Stephen Hashioka located?
- Stephen Hashioka's practice location on file with NPPES is 55 E Washington St, Chicago, IL 60602-2103.
- What is Stephen Hashioka's phone number?
- The practice phone number listed in the NPPES registry for Stephen Hashioka is (312) 263-7661.
- Is Stephen Hashioka's NPI active?
- Yes — Stephen Hashioka's NPI (1659409555) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.