Michael Nishimura
NPI 1528999117 · Occupational Therapist · Tustin, CA
Michael Nishimura is a Occupational Therapist provider in Tustin, CA (NPI 1528999117).
Provider details
- NPI number
- 1528999117
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 27989 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2026-05-25
- Last updated
- 2026-05-25
- Certified
- 2026-05-25
Frequently asked questions
- What is Michael Nishimura's NPI number?
- Michael Nishimura's National Provider Identifier (NPI) is 1528999117, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Nishimura's specialty?
- Michael Nishimura is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Michael Nishimura located?
- Michael Nishimura's practice location on file with NPPES is 13592 Sweetshade Way, Tustin, CA 92782-8379.
- What is Michael Nishimura's phone number?
- The practice phone number listed in the NPPES registry for Michael Nishimura is (714) 975-4369.
- Is Michael Nishimura's NPI active?
- Yes — Michael Nishimura's NPI (1528999117) is active in the NPPES registry as of the last update on 2026-05-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.