Steven Mates, DO
NPI 1104939362 · Emergency Medicine Physician · Kailua, HI
Steven Mates, DO is a Emergency Medicine Physician provider in Kailua, HI (NPI 1104939362).
Provider details
- NPI number
- 1104939362
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 036083290 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
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
- 2006-08-15
- Last updated
- 2016-01-22
Frequently asked questions
- What is Steven Mates's NPI number?
- Steven Mates's National Provider Identifier (NPI) is 1104939362, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Mates's specialty?
- Steven Mates is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Mates located?
- Steven Mates's practice location on file with NPPES is 407 Uluniu St Ste 411, Kailua, HI 96734-2544.
- What is Steven Mates's phone number?
- The practice phone number listed in the NPPES registry for Steven Mates is (808) 263-7203.
- Is Steven Mates's NPI active?
- Yes — Steven Mates's NPI (1104939362) is active in the NPPES registry as of the last update on 2016-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.