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

DR. SHAUN JOO CHUN M.D.
NPI 1255423018
Emergency Medicine in Butler, NJ

Active since September 29, 2006PECOS Enrolled
1224 NJ-23 NORTH, BUTLER, NJ 07405(862) 246-7945 Get Directions Write a Review

NPPES record last updated: May 12, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 12, 2023, Apr 11, 2022 (2 updates tracked since 2022).

About Dr. Shaun Joo Chun M.d. NPPES

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

DR. SHAUN JOO CHUN M.D. (NPI 1255423018) is an individual emergency medicine provider in Butler, New Jersey, licensed in New Jersey (25MA07091000) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1255423018
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. SHAUN JOO CHUNCredential: M.D.
Location Address1224 NJ-23 NORTHButler, NJ 07405
Mailing Address1 Diamond Hill RdBerkeley Heights, NJ 07922-2104 · (908) 273-4300
Phone(862) 246-7945
Sole ProprietorNo
Enumeration DateSeptember 29, 2006
Last NPPES UpdateMay 12, 20232 updates tracked since enumeration
NPPES CertifiedMay 12, 2023
✔ NPI 1255423018 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 · 25MA07091000
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.
1224 NJ-23 NORTH, Butler, NJ 07405
Open in Google Maps ↗

Other Identifiers 1

Medicaid8314705NJ

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Shaun Joo Chun M.d. 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 11

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.
101 services101 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.
45 services45 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
39 services39 patients
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428
This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.
35 services35 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.
35 services35 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07405 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

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

DR. STEVEN MICHAEL FASCHAN D.O.
Family Medicine
1224 NJ-23 NORTH
BUTLER, NJ 07405
Morris County (862) 246-7945

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 Shaun Chun's NPI number?

The NPI number for Shaun Chun is 1255423018. It was assigned to this individual provider in the NPPES registry on September 29, 2006.

Where is Shaun Chun located?

Shaun Chun practices at 1224 Nj-23 North, Butler, NJ 07405. The listed phone number is (862) 246-7945.

What is Shaun Chun's specialty?

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

Is Shaun Chun enrolled in Medicare?

Yes. Shaun Chun is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Shaun Chun was last updated on May 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.