Tanya Sim
NPI 1295941060 · Occupational Therapist · Aliso Viejo, CA
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tanya Sim is a Occupational Therapist provider in Aliso Viejo, CA (NPI 1295941060).
Provider details
- NPI number
- 1295941060
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- OT1643 (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
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
- 2007-05-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Tanya Sim's NPI number?
- Tanya Sim's National Provider Identifier (NPI) is 1295941060, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tanya Sim's specialty?
- Tanya Sim is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Tanya Sim located?
- Tanya Sim's practice location on file with NPPES is 3 Pursuit, Aliso Viejo, CA 92656-4213.
- What is Tanya Sim's phone number?
- The practice phone number listed in the NPPES registry for Tanya Sim is (949) 389-8547.
- Does Tanya Sim accept Medicare?
- Tanya Sim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tanya Sim's NPI active?
- Yes — Tanya Sim's NPI (1295941060) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.