What is Esther Mun's NPI number?

Esther Mun's National Provider Identifier (NPI) is 1124663562, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Esther Mun's specialty?

Esther Mun is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).

Where is Esther Mun located?

Esther Mun's practice location on file with NPPES is 1030 W Warner Ave, Santa Ana, CA 92707-3147.

What is Esther Mun's phone number?

The practice phone number listed in the NPPES registry for Esther Mun is (562) 315-3821.

Is Esther Mun's NPI active?

Yes — Esther Mun's NPI (1124663562) is active in the NPPES registry as of the last update on 2026-01-26.

IndividualActive

Esther Mun

NPI 1124663562 · Occupational Therapist · Santa Ana, CA

Esther Mun is a Occupational Therapist provider in Santa Ana, CA (NPI 1124663562).

Provider details

NPI number: 1124663562
Entity type: Individual
Primary specialty: Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Occupational TherapistPrimary225X00000X
Respiratory, Developmental, Rehabilitative and Restorative Service Providers

Profile Score

Established profile(59/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
6 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

1030 W Warner Ave

Santa Ana, CA 92707-3147

Phone: (562) 315-3821

Street-level locationGet directions

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Mailing address