DARLENE LY PA
NPI 1114513520
Physician Assistant in Arcadia, CA

Active since December 19, 2020PECOS Enrolled
440 E HUNTINGTON DR STE 200, ARCADIA, CA 91006(626) 254-2293(626) 254-8220 Get Directions Write a Review

NPPES record last updated: December 31, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 31, 2025, Sep 15, 2022, Dec 19, 2020 (3 updates tracked since 2020).

About Darlene Ly Pa NPPES

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

DARLENE LY PA (NPI 1114513520) is an individual physician assistant in Arcadia, California and active in the NPI registry since December 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1114513520
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameDARLENE LYCredential: PA
Location Address440 E HUNTINGTON DR STE 200Arcadia, CA 91006-3775
Mailing AddressPo Box 35380Las Vegas, NV 89133-5380 · (702) 579-3203
Fax(626) 254-8220
Sole ProprietorYes
Enumeration DateDecember 19, 2020
Last NPPES UpdateDecember 31, 20253 updates tracked since enumeration
NPPES CertifiedDecember 31, 2025
NPI 1114513520 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
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.

440 E HUNTINGTON DR STE 200, Arcadia, CA 91006

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Darlene Ly Pa 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 91006 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.

Physician Assistant (Medical)
440 E HUNTINGTON DR STE 200
ARCADIA, CA 91006
Internal Medicine
440 E HUNTINGTON DR STE 200
ARCADIA, CA 91006
Family Medicine
440 E HUNTINGTON DR STE 200
ARCADIA, CA 91006
Family Medicine
440 E HUNTINGTON DR STE 200
ARCADIA, CA 91006
Internal Medicine
440 E HUNTINGTON DR STE 200
ARCADIA, CA 91006
Internal Medicine
440 E HUNTINGTON DR STE 200
ARCADIA, CA 91006
Nurse Practitioner
440 E HUNTINGTON DR STE 200
ARCADIA, CA 91006
Family Medicine
440 E HUNTINGTON DR STE 200
ARCADIA, CA 91006

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 Darlene Ly's NPI number?

The NPI number for Darlene Ly is 1114513520. It was assigned to this individual provider in the NPPES registry on December 19, 2020.

Where is Darlene Ly located?

Darlene Ly practices at 440 E Huntington Dr Ste 200, Arcadia, CA 91006. The listed phone number is (626) 254-2293.

What is Darlene Ly's specialty?

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

Is Darlene Ly enrolled in Medicare?

Yes. Darlene Ly is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Darlene Ly was last updated on December 31, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.