DR. ZEAN CHEN MD
NPI 1871090670
Emergency Medicine in Sioux City, IA
About Dr. Zean Chen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ZEAN CHEN MD (NPI 1871090670) is an individual emergency medicine provider in Sioux City, Iowa, licensed in Iowa (MD-48547) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Trinity - Bettendorf, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Zean Chen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
9Medicare enrollment records show Zean Chen reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sioux City, IA 51101
- Reassigned Medicare billing, Iowa enrollment
- 42 clinicians in this Medicare group
Winnebago, NE 68071
- Reassigned Medicare billing, Texas enrollment
- Also billed through NPI 1689150112 (Texas)
- 90 clinicians in this Medicare group
Jefferson, IA 50129
- Reassigned Medicare billing, Iowa enrollment
- 20 clinicians in this Medicare group
Martin, SD 57551
- Reassigned Medicare billing, Texas enrollment
- 426 clinicians in this Medicare group
Muscatine, IA 52761
- Reassigned Medicare billing, Iowa enrollment
- 113 clinicians in this Medicare group
Davenport, IA 52804
- Reassigned Medicare billing, Iowa enrollment
- 138 clinicians in this Medicare group
Red Lake, MN 56671
- Reassigned Medicare billing, Texas enrollment
- 66 clinicians in this Medicare group
Poplar, MT 59255
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: U S Health Dept Of Health & Human Services
- 306 clinicians in this Medicare group
Tucson, AZ 85746
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Ton Sells Hospital
- 349 clinicians in this Medicare group
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 3
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Trinity - Bettendorf
Acute Care Hospitals · Bettendorf, IASt Lukes Regional Medical Center
Acute Care Hospitals · Sioux City, IAGreene County Medical Center
Critical Access Hospitals · Jefferson, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 51101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
SIOUX CITY, IA 51101
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 Zean Chen's NPI number?
The NPI number for Zean Chen is 1871090670. It was assigned to this individual provider in the NPPES registry on April 9, 2018.
Where is Zean Chen located?
Zean Chen practices at 801 5th St, Sioux City, IA 51101. The listed phone number is (712) 279-2010.
What is Zean Chen's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Zean Chen enrolled in Medicare?
Yes. Zean Chen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Zean Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zean Chen reassigns Medicare benefits to 9 organizations: Woodbury Emergency Group, PC (Sioux City, IA), Winnebago Tribe Of Nebraska (Winnebago, NE), Seven Hills Emergency Group, PC (Jefferson, IA), Pine Ridge Indian Health Service Hospital (Martin, SD), Unity Healthcare (Muscatine, IA) and 4 more organizations, listed in the Medicare section above. 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 Zean Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Zean Chen accept?
Health plans from Blue Cross Blue Shield of Arizona, Oscar Health, Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Zean Chen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Zean Chen affiliated with any hospitals?
According to CMS data, Zean Chen is affiliated with Trinity - Bettendorf, St Lukes Regional Medical Center and Greene County Medical Center.
When was this NPI record last updated?
The NPPES record for Zean Chen was last updated on November 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Zean Chen, MD · NPI 1871090670
Emergency Medicine physician in Sioux City, Iowa. Individual provider, active in the CMS NPPES registry since April 9, 2018.
## Identity
- **NPI:** 1871090670 (Entity type: Individual)
- **Enumerated:** April 9, 2018
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD-48547 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 801 5TH ST, Sioux City, IA 51101-1326
- **Phone:** (712) 279-2010
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Woodbury Emergency Group, PC (NPI 1447813316, Sioux City, IA); Winnebago Tribe Of Nebraska (NPI 1710469234, Winnebago, NE); Seven Hills Emergency Group, PC (NPI 1467030254, Jefferson, IA); Pine Ridge Indian Health Service Hospital (NPI 1003208257, Martin, SD); Unity Healthcare (NPI 1952440455, Muscatine, IA); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** November 12, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1871090670) · Data from the CMS NPPES public registry.