Zean Chen, MD
Emergency Medicine Physician · Sioux City, IA
Zean Chen, MD is an emergency medicine physician with a practice address in Sioux City, Iowa, and NPI 1871090670, issued on Apr 9, 2018. Check the license (Iowa MD-48547, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Zean Chen
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MD-48547 IA
Self-reported in NPPES; status is on the state search - Practice location
- 801 5TH St, Sioux City, IA 51101
- Phone
- (712) 279-2010
- Enumerated
- Apr 9, 2018
- Record last updated
- Nov 12, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210908001678); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 509 in Iowa → Look up another NPI →
Also registered at 801 5TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Monsurat AdelekePsychiatric/Mental Health Nurse Practitioner1669308433
- Ali Aljuhani, LMSWClinical Social Worker1366918062
- Ashley Anderson, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1881499242
- Peter Anderson, M.D.Internal Medicine Physician1114967858
- Sydney Backstrom, PHARMDPharmacist1407713357
Verify Zean Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license MD-48547Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average emergency medicine physician in 2024
78 Medicare Part D claims for 61 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Cephalexin18 claims
- Oxycodone Hcl12 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.
Bills Medicare through 3 group practices
- Seven Hills Emergency Group PCJefferson, IA
- Trinity Medical CenterBettendorf, IA
- Woodbury Emergency Group, PCSioux City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zean Chen among 509 emergency medicine physician records in Iowa
Zean Chen, MD is one of 509 emergency medicine physician records with a practice address in Iowa. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 73% of them.
- NPI issued2018 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated2018 · median 2012 among the 231 with a school on file
- Record last updated2021 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 emergency medicine physician records list a practice address in Sioux City
They are 18 of the 1,486 NPPES records with a practice address in Sioux City, and 509 emergency medicine physician records in Iowa.
All 509 in Iowa → Every provider in Sioux City → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Thomas Benzoni, DOSioux City, IA 511011245231448
- Travis Brownell, M.D.Sioux City, IA 511011225014269
- Johnathan Colling, M.D.Sioux City, IA 511011598788416
- Anthony Galloway, MDSioux City, IA 511011295766871
- Glen Harden, M.D.Sioux City, IA 511011962438929
- Joseph Liewer, M.D.Sioux City, IA 511011447296140
- Scott Murray, MDSioux City, IA 511011457435760
- Paul Neskow, MDSioux City, IA 511011366488959
Common questions
What is Zean Chen, MD's NPI number?
Zean Chen, MD's National Provider Identifier (NPI) is 1871090670, issued on Apr 9, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Zean Chen, MD located?
The NPPES record lists a practice address at 801 5TH St, Sioux City, IA, 51101. Phone: (712) 279-2010. Providers update this record themselves, so call before visiting.
How can I verify Zean Chen, MD's license?
NPPES lists Iowa license number MD-48547, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Zean Chen, MD prescribe under Medicare Part D?
In 2024, Zean Chen, MD had 78 Medicare Part D claims for 61 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.