1. Home
  2. Directory
  3. California
  4. Monterey Park
  5. Physician Assistant
  6. NPI Profile

OI Y. CHUNG P.A.,N.P.
NPI 1104085893
Physician Assistant in Monterey Park, CA

Active since June 06, 2008PECOS Enrolled
525 N GARFIELD AVE, MONTEREY PARK, CA 91754(626) 573-2222 Get Directions Write a Review

NPPES record last updated: September 17, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Oi Y. Chung P.a.,n.p. NPPES

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

OI Y. CHUNG P.A.,N.P. (NPI 1104085893) is an individual physician assistant in Monterey Park, California, licensed in California (PA19610) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS and maintains a secondary practice location in Sacramento.

NPPES Registry Identity

NPI1104085893
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameOI Y. CHUNGCredential: P.A.,N.P.
Location Address525 N GARFIELD AVEMonterey Park, CA 91754-1202
Mailing AddressPo Box 660579Arcadia, CA 91066-0579 · (626) 447-0296
Phone(626) 573-2222
Sole ProprietorNo
Enumeration DateJune 6, 2008
Last NPPES UpdateSeptember 17, 2024
NPPES CertifiedSeptember 17, 2024
✔ NPI 1104085893 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in CA · PA19610
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 ListedNurse PractitionerTaxonomy 363L00000X · License NP584426 (CA)
525 N GARFIELD AVE, Monterey Park, CA 91754
Open in Google Maps ↗

Secondary Practice Location 1

Location 12710 Gateway Oaks Dr Ste 150NSacramento, CA 95833-3502 · Phone (646) 876-8455 · Fax (914) 565-8656

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Oi Y. Chung P.a.,n.p. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 91754 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 20

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

ERIC CUI
Internal Medicine
525 N GARFIELD AVE
MONTEREY PARK, CA 91754
Los Angeles County (626) 573-2222
AHMC GARFIELD MEDICAL CENTER
Rehabilitation Hospital
525 N GARFIELD AVE
MONTEREY PARK, CA 91754
Los Angeles County (626) 307-2000
DR. JEREMY DEMETRI WILLIAMS M.D.
Emergency Medicine
525 N GARFIELD AVE
MONTEREY PARK, CA 91754
Los Angeles County (626) 307-2129
SOUTHWEST RADIOLOGY MEDICAL GROUP
Radiology (Diagnostic Radiology)
525 N GARFIELD AVE
MONTEREY PARK, CA 91754
Los Angeles County (626) 573-2222
DANIEL GARCIA
Anesthesiology
525 N GARFIELD AVE
MONTEREY PARK, CA 91754
Los Angeles County (626) 307-2120
RICHARD VUU PHARM.D.
Pharmacist
525 N GARFIELD AVE
MONTEREY PARK, CA 91754
Los Angeles County (626) 307-2034
ANNIE JIA DO
Family Medicine
525 N GARFIELD AVE
MONTEREY PARK, CA 91754
Los Angeles County (818) 839-5200
SAN GABRIEL VALLEY CONSULTING PATHOLOGISTS MEDICAL GROUP, INC.
Pathology (Anatomic Pathology & Clinical Pathology)
525 N GARFIELD AVE
MONTEREY PARK, CA 91754
Los Angeles County (626) 573-2222

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 Oi Chung's NPI number?

The NPI number for Oi Chung is 1104085893. It was assigned to this individual provider in the NPPES registry on June 6, 2008.

Where is Oi Chung located?

Oi Chung practices at 525 N Garfield Ave, Monterey Park, CA 91754. The listed phone number is (626) 573-2222.

What is Oi Chung's specialty?

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

Is Oi Chung enrolled in Medicare?

Yes. Oi Chung is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Oi Chung was last updated on September 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.