CATHERINE KITYI YAW HUYNH PA-C
NPI 1285123653
Physician Assistant in Pomona, CA

Active since May 01, 2018PECOS EnrolledAccepts Medicare Assignment
450 E 2ND ST, POMONA, CA 91766(909) 469-5378 Get Directions Write a Review

NPPES record last updated: July 10, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 10, 2023, Dec 3, 2021, Sep 10, 2018 and 1 more (4 updates tracked since 2018).

About Catherine Kityi Yaw Huynh Pa-c NPPES

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

CATHERINE KITYI YAW HUYNH PA-C (NPI 1285123653) is an individual physician assistant in Pomona, California, licensed in California (PA55866) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1285123653
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameCATHERINE KITYI YAW HUYNHCredential: PA-C
Location Address450 E 2ND STPomona, CA 91766-1950
Mailing Address2611 Moraine WayOxnard, CA 93030-8765
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateMay 1, 2018
Last NPPES UpdateJuly 10, 20234 updates tracked since enumeration
NPPES CertifiedJuly 10, 2023
NPI 1285123653 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in CA · PA55866
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X
Also ListedPhysician Assistant · SurgicalTaxonomy 363AS0400X
450 E 2ND ST, Pomona, CA 91766

Other Names 1

Former Name (1)Catherine Yaw Pa-c

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Catherine Kityi Yaw Huynh Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7416209739
PECOS Enrollment IDI20181015000401
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91766 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

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

Student in an Organized Health Care Education/Training Program
450 E 2ND ST
POMONA, CA 91766
Physician Assistant
450 E 2ND ST
POMONA, CA 91766
Physician Assistant
450 E 2ND ST
POMONA, CA 91766
Physician Assistant
450 E 2ND ST
POMONA, CA 91766

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 Catherine Huynh's NPI number?

The NPI number for Catherine Huynh is 1285123653. It was assigned to this individual provider in the NPPES registry on May 1, 2018. The provider is also known as Catherine Yaw Pa-C.

Where is Catherine Huynh located?

Catherine Huynh practices at 450 E 2nd St, Pomona, CA 91766. The listed phone number is (909) 469-5378.

What is Catherine Huynh's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Catherine Huynh enrolled in Medicare?

Yes. Catherine Huynh is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Catherine Huynh was last updated on July 10, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS; the most recent full sync was completed on July 26, 2026. Anyone can also request an on-demand re-check of this record against the live CMS registry, directly from this page.