What is Marilyn Ngo's NPI number?

Marilyn Ngo's National Provider Identifier (NPI) is 1528916244, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marilyn Ngo's specialty?

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

Where is Marilyn Ngo located?

Marilyn Ngo's practice location on file with NPPES is 5050 Barranca Pkwy, Irvine, CA 92604-4698.

What is Marilyn Ngo's phone number?

The practice phone number listed in the NPPES registry for Marilyn Ngo is (949) 936-5000.

Is Marilyn Ngo's NPI active?

Yes — Marilyn Ngo's NPI (1528916244) is active in the NPPES registry as of the last update on 2026-03-24.

IndividualActive

Marilyn Ngo

NPI 1528916244 · Occupational Therapist · Irvine, CA

Marilyn Ngo is a Occupational Therapist provider in Irvine, CA (NPI 1528916244).

Provider details

NPI number: 1528916244
Entity type: Individual
Primary specialty: Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Occupational TherapistPrimary225X00000X
Respiratory, Developmental, Rehabilitative and Restorative Service Providers

Profile Score

Basic profile(46/100 index)

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
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

5050 Barranca Pkwy

Irvine, CA 92604-4698

Phone: (949) 936-5000

Street-level locationGet directions

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Mailing address