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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LIANA SHAHINYAN
NPI 1043998586
Physician Assistant in Laguna Hills, CA

Active since July 06, 2023PECOS Enrolled
25979 ATHERTON AVE, LAGUNA HILLS, CA 92653(949) 767-6801 Get Directions Write a Review

NPPES record last updated: August 4, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 4, 2026, Oct 4, 2023, Jul 6, 2023 (3 updates tracked since 2023).

About Liana Shahinyan NPPES

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

LIANA SHAHINYAN (NPI 1043998586) is an individual physician assistant in Laguna Hills, California, licensed in California (PA63426) and active in the NPI registry since July 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1043998586
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameLIANA SHAHINYAN
Location Address25979 ATHERTON AVELaguna Hills, CA 92653-6262
Mailing Address25979 Atherton AveLaguna Hills, CA 92653-6262 · (949) 767-6801
Phone(949) 767-6801
Sole ProprietorYes
Enumeration DateJuly 6, 2023
Last NPPES UpdateAugust 4, 20263 updates tracked since enumeration
NPPES CertifiedAugust 4, 2026
✔ NPI 1043998586 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 · PA63426
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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
25979 ATHERTON AVE, Laguna Hills, CA 92653
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Liana Shahinyan 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.

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
55 services55 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
41 services41 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92653 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.

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 Liana Shahinyan's NPI number?

The NPI number for Liana Shahinyan is 1043998586. It was assigned to this individual provider in the NPPES registry on July 6, 2023.

Where is Liana Shahinyan located?

Liana Shahinyan practices at 25979 Atherton Ave, Laguna Hills, CA 92653. The listed phone number is (949) 767-6801.

What is Liana Shahinyan's specialty?

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

Is Liana Shahinyan enrolled in Medicare?

Yes. Liana Shahinyan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Liana Shahinyan was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.