Steven Nagasaka, M.A., LMFT
NPI 1689097453 · Marriage & Family Therapist · Wailuku, HI
Steven Nagasaka, M.A., LMFT is a Marriage & Family Therapist provider in Wailuku, HI (NPI 1689097453).
Provider details
- NPI number
- 1689097453
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- M.A., LMFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- MFT 365 (HI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
- 2014-01-29
- Last updated
- 2014-01-29
Frequently asked questions
- What is Steven Nagasaka's NPI number?
- Steven Nagasaka's National Provider Identifier (NPI) is 1689097453, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Nagasaka's specialty?
- Steven Nagasaka is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Steven Nagasaka located?
- Steven Nagasaka's practice location on file with NPPES is 1916 E Vineyard St, Wailuku, HI 96793-1715.
- What is Steven Nagasaka's phone number?
- The practice phone number listed in the NPPES registry for Steven Nagasaka is (808) 249-2431.
- Is Steven Nagasaka's NPI active?
- Yes — Steven Nagasaka's NPI (1689097453) is active in the NPPES registry as of the last update on 2014-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.