NICHOLAS CHIANG
NPI 1245729391
Physician Assistant in Claremont, CA

Active since May 03, 2018PECOS Enrolled
1601 MONTE VISTA AVE STE 190, CLAREMONT, CA 91711(909) 865-9977(909) 469-2119 Get Directions Write a Review

NPPES record last updated: February 25, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 14, 2022, Sep 12, 2018, Aug 21, 2018 and 1 more (4 updates tracked since 2018).

About Nicholas Chiang NPPES

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

NICHOLAS CHIANG (NPI 1245729391) is an individual physician assistant in Claremont, California, licensed in California (55904) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1245729391
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameNICHOLAS CHIANG
Location Address1601 MONTE VISTA AVE STE 190Claremont, CA 91711-6600
Mailing Address1601 Monte Vista Ave Ste 190Claremont, CA 91711-6600 · (909) 865-9977 · Fax (909) 469-2119
Fax(909) 469-2119
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateMay 3, 2018
Last NPPES UpdateFebruary 25, 20264 updates tracked since enumeration
NPPES CertifiedFebruary 25, 2026
NPI 1245729391 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 · 55904
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.
1601 MONTE VISTA AVE STE 190, Claremont, CA 91711

Secondary Practice Locations 2

Location 13110 Chino Ave Ste 150BChino Hills, CA 91709-1295 · Phone (909) 630-7868 · Fax (909) 469-2109
Location 22333 Foothill Blvd Ste CLa Verne, CA 91750-3027 · Phone (909) 392-6511 · Fax (909) 469-2137

Other Identifiers 1

Medicaid1248729391CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Nicholas Chiang is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1951652130
PECOS Enrollment IDI20180927000803
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 10

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 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.
139 services136 patients
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.
49 services47 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
32 services32 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
30 services30 patients
Routine electrocardiogram (ecg) using at least 12 leads with tracing 93005
An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. Using 12 leads attached to your skin, it generates a tracing of your heart rhythm. It helps detect any heart problems by showing the timing and strength of electrical signals passing through each part of your heart.
23 services23 patients
Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811
This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.
19 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91711 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.

Family Medicine
1601 MONTE VISTA AVE STE 190
CLAREMONT, CA 91711
Physician Assistant
1601 MONTE VISTA AVE STE 190
CLAREMONT, CA 91711
Family Medicine
1601 MONTE VISTA AVE STE 190
CLAREMONT, CA 91711
General Practice
1601 MONTE VISTA AVE STE 190
CLAREMONT, CA 91711
Physician Assistant
1601 MONTE VISTA AVE STE 190
CLAREMONT, CA 91711
Family Medicine
1601 MONTE VISTA AVE STE 190
CLAREMONT, CA 91711
Emergency Medicine
1601 MONTE VISTA AVE STE 190
CLAREMONT, CA 91711
Physician Assistant
1601 MONTE VISTA AVE STE 190
CLAREMONT, CA 91711

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 Nicholas Chiang's NPI number?

The NPI number for Nicholas Chiang is 1245729391. It was assigned to this individual provider in the NPPES registry on May 3, 2018.

Where is Nicholas Chiang located?

Nicholas Chiang practices at 1601 Monte Vista Ave Ste 190, Claremont, CA 91711. The listed phone number is (909) 865-9977.

What is Nicholas Chiang's specialty?

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

Is Nicholas Chiang enrolled in Medicare?

Yes. Nicholas Chiang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Nicholas Chiang was last updated on February 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.