CHUNG-YU HSIAO M.D.
NPI 1275796484
Emergency Medicine in Waterbury, CT

Active since July 08, 2008PECOS Enrolled
56 FRANKLIN ST, WATERBURY, CT 06706(203) 709-6004 Get Directions Write a Review

NPPES record last updated: November 12, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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

NPI1275796484
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameCHUNG-YU HSIAOCredential: M.D.
Location Address56 FRANKLIN STWaterbury, CT 06706-1253
Mailing Address56 Franklin StWaterbury, CT 06706 · (203) 709-6004
Sole ProprietorNo
Enumeration DateJuly 8, 2008
Last NPPES UpdateNovember 12, 2021
NPPES CertifiedNovember 12, 2021
✔ NPI 1275796484 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in PA · MT193044
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
56 FRANKLIN ST, Waterbury, CT 06706

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

8

Medicare 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.

Emergency Medicine
64 ROBBINS ST
Waterbury, CT 06708
  • Reassigned Medicare billing, Connecticut enrollment
  • 83 clinicians in this Medicare group
Emergency Medicine
435 LEWIS AVE
Meriden, CT 06451
  • Reassigned Medicare billing, Connecticut enrollment
  • 96 clinicians in this Medicare group
Internal Medicine
114 WOODLAND ST, SAINT FRANCIS MEDICAL GROUP INC.
Hartford, CT 06105
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,186 clinicians in this Medicare group
Emergency Medicine
71 HAYNES ST
Manchester, CT 06040
  • Reassigned Medicare billing, Connecticut enrollment
  • Medicare enrollment name: Emergency Care Services Of Connecticut PC
  • 38 clinicians in this Medicare group
General Acute Care Hospital
71 HAYNES ST
Manchester, CT 06040
  • Reassigned Medicare billing, Connecticut enrollment
  • 94 clinicians in this Medicare group
General Acute Care Hospital
31 UNION ST
Vernon, CT 06066
  • Reassigned Medicare billing, Connecticut enrollment
  • 96 clinicians in this Medicare group
Emergency Medicine
112 MANSFIELD AVE
Willimantic, CT 06226
  • Reassigned Medicare billing, Connecticut enrollment
  • 104 clinicians in this Medicare group
Emergency Medicine
201 CHESTNUT HILL RD
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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
128 services127 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
58 services58 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
52 services49 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
37 services35 patients

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.

New Patient
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Nurse Practitioner (Critical Care Medicine)
56 FRANKLIN ST
WATERBURY, CT 06706
Internal Medicine
56 FRANKLIN ST
WATERBURY, CT 06706
Physician Assistant (Medical)
56 FRANKLIN ST
WATERBURY, CT 06706
Internal Medicine
56 FRANKLIN ST
WATERBURY, CT 06706
Nurse Practitioner
56 FRANKLIN ST
WATERBURY, CT 06706
Internal Medicine
56 FRANKLIN ST
WATERBURY, CT 06706
Emergency Medicine
56 FRANKLIN ST
WATERBURY, CT 06706
Student in an Organized Health Care Education/Training Program
56 FRANKLIN ST
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.