DR. KI YOUNG LEE PORTILLO AU.D.
NPI 1144347964
Audiologist in Los Angeles, CA

Q: What is Ki Young Portillo's NPI number?

The NPI number for Ki Young Portillo is 1144347964. It was assigned to this individual provider in the NPPES registry on March 25, 2007. The provider is also known as Ki Young Lee-Portillo M.A..

Q: What is Ki Young Portillo's specialty?

The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.

Q: When was this NPI record last updated?

The NPPES record for Ki Young Portillo was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 25, 2007

1520 SAN PABLO ST STE 5100, LOS ANGELES, CA 90033(323) 442-5790(323) 442-5740 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Ki Young Lee Portillo Au.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KI YOUNG LEE PORTILLO AU.D. (NPI 1144347964) is an individual audiologist in Los Angeles, California, licensed in California (AU 1759) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1144347964

Entity TypeIndividualFemale

Primary Taxonomy231H00000X

Provider Legal NameDR. KI YOUNG LEE PORTILLOCredential: AU.D.

Location Address1520 SAN PABLO ST STE 5100Los Angeles, CA 90033-5310

Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 442-5790 · Fax (323) 442-5740

Phone(323) 442-5790

Fax(323) 442-5740

Sole ProprietorNo

Enumeration DateMarch 25, 2007

Last NPPES UpdateNovember 27, 2023

NPPES CertifiedAugust 31, 2020

✔ NPI 1144347964 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAudiologistSpeech, Language and Hearing Service Providers

Taxonomy Code231H00000X

License✔ Licensed in CA · AU 1759

Definition

(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders of the auditory, balance and other neural systems. Audiologists provide audiological (aural) rehabilitation to children and adults across the entire age span. Audiologists select, fit and dispense amplification systems such as hearing aids and related devices. (2) An audiologist is a person qualified by a master's degree in audiology, licensed by the state, where applicable, and practicing within the scope of that license. Audiologists evaluate and treat patients with impaired hearing. They plan, direct and conduct rehabilitative programs with audiotry substitutional devises (hearing aids) and other therapy.

1520 SAN PABLO ST STE 5100, Los Angeles, CA 90033

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Other Names 1

Other Name (5)Ki Young Lee-portillo M.a.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ki Young Lee Portillo Au.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Ki Young Portillo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Usc Care Medical Group, Inc

Same address

General Practice

1520 SAN PABLO ST
Los Angeles, CA 90033

Reassigned Medicare billing, California enrollment
2,445 clinicians in this Medicare group

NPI 1902846306 (323) 442-5955

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test to assess middle ear function 92567

A test to assess middle ear function, also known as an impedance audiometry, helps evaluate how well your middle ear works. It measures the movement of your eardrum in response to changes in air pressure. This can help identify issues like fluid build-up, ear infections, or eardrum perforations.

26 services26 patients

Comprehensive hearing and speech recognition test 92557

A comprehensive hearing and speech recognition test assesses your ability to hear and understand spoken words. It includes hearing tests to check for issues with sound perception and speech tests to evaluate your word recognition. It's a crucial step in identifying any hearing or speech problems.

25 services25 patients

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. BRENDA CAPOBRES VILLEGAS M.S., CCC-SLP

Speech-Language Pathologist

1520 SAN PABLO ST STE 5100
LOS ANGELES, CA 90033

Los Angeles County (323) 442-5790

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ki Young Portillo's NPI number?

The NPI number for Ki Young Portillo is 1144347964. It was assigned to this individual provider in the NPPES registry on March 25, 2007. The provider is also known as Ki Young Lee-Portillo M.A..

Where is Ki Young Portillo located?

Ki Young Portillo practices at 1520 San Pablo St Ste 5100, Los Angeles, CA 90033. The listed phone number is (323) 442-5790.

What is Ki Young Portillo's specialty?

The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.

Is Ki Young Portillo enrolled in Medicare?

Yes. Ki Young Portillo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ki Young Portillo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ki Young Portillo reassigns Medicare benefits to Usc Care Medical Group, Inc (Los Angeles, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ki Young Portillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ki Young Portillo was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.