CHUNG-YU HSIAO M.D.
NPI 1275796484
Emergency Medicine in Waterbury, CT
About Chung-yu Hsiao M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHUNG-YU HSIAO M.D. (NPI 1275796484) is an individual emergency medicine provider in Waterbury, Connecticut, licensed in Pennsylvania (MT193044) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS.
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 (PECOS)
Chung-yu Hsiao M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
8Medicare enrollment records show Chung-yu Hsiao reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Waterbury, CT 06708
- Reassigned Medicare billing, Connecticut enrollment
- 83 clinicians in this Medicare group
Meriden, CT 06451
- Reassigned Medicare billing, Connecticut enrollment
- 96 clinicians in this Medicare group
Hartford, CT 06105
- Reassigned Medicare billing, Connecticut enrollment
- 1,186 clinicians in this Medicare group
Manchester, CT 06040
- Reassigned Medicare billing, Connecticut enrollment
- Medicare enrollment name: Emergency Care Services Of Connecticut PC
- 38 clinicians in this Medicare group
Manchester, CT 06040
- Reassigned Medicare billing, Connecticut enrollment
- 94 clinicians in this Medicare group
Vernon, CT 06066
- Reassigned Medicare billing, Connecticut enrollment
- 96 clinicians in this Medicare group
Willimantic, CT 06226
- Reassigned Medicare billing, Connecticut enrollment
- 104 clinicians in this Medicare group
Stafford Springs, CT 06076
- Reassigned Medicare billing, Connecticut enrollment
- 56 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06706 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.
WATERBURY, CT 06706
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 Chung-yu Hsiao's NPI number?
The NPI number for Chung-yu Hsiao is 1275796484. It was assigned to this individual provider in the NPPES registry on July 8, 2008.
Where is Chung-yu Hsiao located?
Chung-yu Hsiao practices at 56 Franklin St, Waterbury, CT 06706. The listed phone number is (203) 709-6004.
What is Chung-yu Hsiao's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Chung-yu Hsiao enrolled in Medicare?
Yes. Chung-yu Hsiao is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Chung-yu Hsiao's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chung-yu Hsiao reassigns Medicare benefits to 8 organizations: Nems W LLC (Waterbury, CT), Nems PLLC (Meriden, CT), Trinity Health Of New England Provider Network Organization Inc (Hartford, CT), Emergency Care Services Of Connecticut, P.C. (Manchester, CT), Prospect Manchester Hospital, Inc. (Manchester, CT) and 3 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 Chung-yu Hsiao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Chung-yu Hsiao accept?
Health plans from WellSense Health Plan list Chung-yu Hsiao 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.
When was this NPI record last updated?
The NPPES record for Chung-yu Hsiao 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.