Stephen Oh, OTR
NPI 1528579737 · Occupational Therapist · Ontario, CA
Stephen Oh, OTR is a Occupational Therapist provider in Ontario, CA (NPI 1528579737).
Provider details
- NPI number
- 1528579737
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR
- Sex
- Male
- Sole proprietor
- No
- License
- 18013 (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
8 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
- 2017-10-14
- Last updated
- 2025-08-24
- Certified
- 2025-08-24
Frequently asked questions
- What is Stephen Oh's NPI number?
- Stephen Oh's National Provider Identifier (NPI) is 1528579737, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Oh's specialty?
- Stephen Oh is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Stephen Oh located?
- Stephen Oh's practice location on file with NPPES is 4688 Ontario Mills Pkwy, Ontario, CA 91764-5104.
- What is Stephen Oh's phone number?
- The practice phone number listed in the NPPES registry for Stephen Oh is (714) 834-1111.
- Is Stephen Oh's NPI active?
- Yes — Stephen Oh's NPI (1528579737) is active in the NPPES registry as of the last update on 2025-08-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.