Shaun Joo Chun, M.D.
Emergency Medicine Physician · Butler, NJ
Shaun Joo Chun, M.D. is an emergency medicine physician with a practice address in Butler, New Jersey, and NPI 1255423018, issued on Sep 29, 2006. Check the license (New Jersey 25MA07091000, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Shaun Joo Chun
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 25MA07091000 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1224 NJ-23 North, Butler, NJ 07405
- Phone
- (862) 246-7945
- Enumerated
- Sep 29, 2006
- Record last updated
- May 12, 2023
- Medicaid ID
- 8314705 NJ
- Entity
- Type 1 · individual
Also registered at 1224 NJ-23 North
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Faschan, D.O.Family Medicine Physician1922374081
Verify Shaun Joo Chun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA07091000Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average emergency medicine physician in 2024
164 Medicare Part D claims for 127 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Amoxicillin-Clavulanate Potass17 claims
- Nitrofurantoin Mono-Macro14 claims
- Lagevrio (Eua)12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Emergency Medicine Physician providers in New Jersey
There are 1,754 emergency medicine physician records in New Jersey.
Other emergency medicine physician records in New Jersey
- Jeneba Abass-Shereef, M.D.Jersey City, NJ1679960942
- Tareef Abbasi, MDClifton, NJ1427139617
- Mohammad Abboud, MDHackensack, NJ1881187359
- Moheb Abdelmalek, MDPerth Amboy, NJ1699776179
- Ibrahim Abdullah, M.D.Willingboro, NJ1649464140
- Kate Aberger, MDPaterson, NJ1821266719
- Vanessa Aboagye, DOPhillipsburg, NJ1750028437
- Adefris Adal, M.D.Jersey City, NJ1669728622
- Shivani AdhyaruMorristown, NJ1447754445
- David Adinaro, MDPaterson, NJ1114039849
Common questions
What is Shaun Joo Chun, M.D.'s NPI number?
Shaun Joo Chun, M.D.'s National Provider Identifier (NPI) is 1255423018, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shaun Joo Chun, M.D. located?
The NPPES record lists a practice address at 1224 NJ-23 North, Butler, NJ, 07405. Phone: (862) 246-7945. Providers update this record themselves, so call before visiting.
How can I verify Shaun Joo Chun, M.D.'s license?
NPPES lists New Jersey license number 25MA07091000, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Shaun Joo Chun, M.D. prescribe under Medicare Part D?
In 2024, Shaun Joo Chun, M.D. had 164 Medicare Part D claims for 127 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.