HAROLD W HSU MD
NPI 1104261429
Surgery - Vascular Surgery in West Des Moines, IA
About Harold W Hsu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HAROLD W HSU MD (NPI 1104261429) is an individual vascular surgery provider in West Des Moines, Iowa, licensed in Iowa (MD-48759) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Mercyone Newton Medical Center, and maintains a secondary practice location in Worcester.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Harold W Hsu 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 Reassignment
Medicare enrollment records show Harold Hsu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
West Des Moines, IA 50266
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1710844303 (Iowa)
- 133 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 29
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercyone Newton Medical Center
Acute Care Hospitals · Newton, IAMercyone North Iowa Medical Center
Acute Care Hospitals · Mason City, IAMercyone Des Moines Medical Center
Acute Care Hospitals · Des Moines, IAMadison County Health Care System
Critical Access Hospitals · Winterset, IARinggold County Hospital
Critical Access Hospitals · Mount Ayr, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 50266 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEST DES MOINES, IA 50266
WEST DES MOINES, IA 50266
WEST DES MOINES, IA 50266
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 Harold Hsu's NPI number?
The NPI number for Harold Hsu is 1104261429. It was assigned to this individual provider in the NPPES registry on April 30, 2013.
Where is Harold Hsu located?
Harold Hsu practices at 5880 University Ave Ste 103, West Des Moines, IA 50266. The listed phone number is (515) 633-3660.
What is Harold Hsu's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Harold Hsu enrolled in Medicare?
Yes. Harold Hsu 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 organization bills Medicare for Harold Hsu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Harold Hsu reassigns Medicare benefits to Catholic Health Initiatives-Iowa Corp (West Des Moines, IA). The 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 Harold Hsu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Harold Hsu accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Health and 3 other insurers list Harold Hsu 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 Harold Hsu affiliated with any hospitals?
According to CMS data, Harold Hsu is affiliated with Mercyone Newton Medical Center, Mercyone North Iowa Medical Center, Mercyone Des Moines Medical Center, Madison County Health Care System and Ringgold County Hospital.
When was this NPI record last updated?
The NPPES record for Harold Hsu was last updated on October 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.