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OLIVIA WEI CHANG PA-C
NPI 1649844085
Physician Assistant in Newport Beach, CA

Active since May 19, 2021PECOS Enrolled
401 OLD NEWPORT BLVD STE 201, NEWPORT BEACH, CA 92663(949) 478-7373 Get Directions Write a Review

NPPES record last updated: May 21, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 21, 2026, Oct 6, 2023, Aug 16, 2023 and 2 more (5 updates tracked since 2021).

About Olivia Wei Chang Pa-c NPPES

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

OLIVIA WEI CHANG PA-C (NPI 1649844085) is an individual physician assistant in Newport Beach, California, licensed in California (PA63012) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649844085
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameOLIVIA WEI CHANGCredential: PA-C
Location Address401 OLD NEWPORT BLVD STE 201Newport Beach, CA 92663-4289
Mailing Address401 Old Newport Blvd Ste 201Newport Beach, CA 92663-4289 · (949) 478-7373
Phone(949) 478-7373
Sole ProprietorYes
Enumeration DateMay 19, 2021
Last NPPES UpdateMay 21, 20265 updates tracked since enumeration
NPPES CertifiedMay 21, 2026
✔ NPI 1649844085 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in CA · PA63012
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.
401 OLD NEWPORT BLVD STE 201, Newport Beach, CA 92663
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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)

Olivia Wei Chang Pa-c 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 6

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
175 services129 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
76 services75 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
63 services56 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
36 services30 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
22 services19 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
13 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92663 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 2

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

PREMIER CARDIOLOGY INC.
Internal Medicine (Cardiovascular Disease)
401 OLD NEWPORT BLVD STE 201
NEWPORT BEACH, CA 92663
Orange County (949) 478-7373
UC IRVINE HEALTH - NEWPORT DOCTORS MEDICAL GROUP- FACILITY
Clinic/Center (Multi-Specialty)
401 OLD NEWPORT BLVD STE 201
NEWPORT BEACH, CA 92663
Orange County (949) 999-2977

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 Olivia Chang's NPI number?

The NPI number for Olivia Chang is 1649844085. It was assigned to this individual provider in the NPPES registry on May 19, 2021.

Where is Olivia Chang located?

Olivia Chang practices at 401 Old Newport Blvd Ste 201, Newport Beach, CA 92663. The listed phone number is (949) 478-7373.

What is Olivia Chang's specialty?

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

Is Olivia Chang enrolled in Medicare?

Yes. Olivia Chang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Olivia Chang was last updated on May 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.