1. Home
  2. Directory
  3. New Jersey
  4. Iselin
  5. Emergency Medicine
  6. NPI Profile

DR. ALEXANDER CHIU MD
NPI 1871754937
Emergency Medicine in Iselin, NJ

Active since June 21, 2008PECOS Enrolled
120 WOOD AVE S, SUITE 401, ISELIN, NJ 08830(510) 912-3636 Get Directions Write a Review

NPPES record last updated: May 11, 2017. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Alexander Chiu Md NPPES

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

DR. ALEXANDER CHIU MD (NPI 1871754937) is an individual emergency medicine provider in Iselin, New Jersey, licensed in New Jersey (25MA09057500) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2007).

NPPES Registry Identity

NPI1871754937
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. ALEXANDER CHIUCredential: MD
Location Address120 WOOD AVE S, SUITE 401Iselin, NJ 08830-2736
Mailing Address120 Wood Ave S, Suite 401Iselin, NJ 08830-2736 · (510) 912-3636
Phone(510) 912-3636
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateJune 21, 2008
Last NPPES UpdateMay 11, 2017
✔ NPI 1871754937 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in NJ · 25MA09057500
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
120 WOOD AVE S, Iselin, NJ 08830
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alexander Chiu Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8123283355
PECOS Enrollment IDI20260429000828
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Alexander Chiu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sound Physicians Emergency Medicine Of Southern California, P.C.
2,477 mi
Emergency Medicine
350 S OAK AVE
Oakdale, CA 95361
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Sound Physicians Emergency Medicine Of Southern California PC
  • 36 clinicians in this Medicare group
NPI 1194180968 (209) 847-3011
Big River Emergency Physicians Inc
2,526 mi
Emergency Medicine
911 SUNSET DR
Hollister, CA 95023
  • Reassigned Medicare billing, California enrollment
  • 38 clinicians in this Medicare group
NPI 1033501168 (330) 493-4443

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

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.
43 services14 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.
28 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 08830 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
$98.09 typical visit price
range $63.84 – $190.92
Typical copayment $24.52 (range $15.96 – $47.73)
Most-billed visit code 99203
Established Patient
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
Most-billed visit code 99214
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 3

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

BERLIANT SLEEP SERVICES LLC
Clinic/Center (Sleep Disorder Diagnostic)
120 WOOD AVE S, SUITE 511
ISELIN, NJ 08830
Middlesex County (732) 494-3030
ISN SLEEP CENTER OF SYOSSET. LLC
Clinic/Center (Sleep Disorder Diagnostic)
120 WOOD AVE S, SUITE 511
ISELIN, NJ 08830
Middlesex County (732) 494-3030
BERLIANT SLEEP SERVICES
Clinic/Center (Sleep Disorder Diagnostic)
120 WOOD AVE S, SUITE 511
ISELIN, NJ 08830
Middlesex County (732) 494-3030

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 Alexander Chiu's NPI number?

The NPI number for Alexander Chiu is 1871754937. It was assigned to this individual provider in the NPPES registry on June 21, 2008.

Where is Alexander Chiu located?

Alexander Chiu practices at 120 Wood Ave S Suite 401, Iselin, NJ 08830. The listed phone number is (510) 912-3636.

What is Alexander Chiu's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Alexander Chiu enrolled in Medicare?

Yes. Alexander Chiu is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alexander Chiu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Chiu reassigns Medicare benefits to 2 organizations: Sound Physicians Emergency Medicine Of Southern California, P.C. (Oakdale, CA) and Big River Emergency Physicians Inc (Hollister, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alexander Chiu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Alexander Chiu was last updated on May 11, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years 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.