Tracey Chiem
NPI 1770180119 · Occupational Therapy Assistant · Ontario, CA
Tracey Chiem is a Occupational Therapy Assistant provider in Ontario, CA (NPI 1770180119).
Provider details
- NPI number
- 1770180119
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- No
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
5 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
Mailing address
Registry dates
- Enumerated
- 2020-10-08
- Last updated
- 2020-10-08
- Certified
- 2020-10-08
Frequently asked questions
- What is Tracey Chiem's NPI number?
- Tracey Chiem's National Provider Identifier (NPI) is 1770180119, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tracey Chiem's specialty?
- Tracey Chiem is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Tracey Chiem located?
- Tracey Chiem's practice location on file with NPPES is 3200 E Guasti Rd Ste 100, Ontario, CA 91761-8661.
- What is Tracey Chiem's phone number?
- The practice phone number listed in the NPPES registry for Tracey Chiem is (909) 304-1039.
- Is Tracey Chiem's NPI active?
- Yes — Tracey Chiem's NPI (1770180119) is active in the NPPES registry as of the last update on 2020-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.