CARL KA-YEE HSU MD
NPI 1710909726
Emergency Medicine in Brooklyn, NY
About Carl Ka-yee Hsu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CARL KA-YEE HSU MD (NPI 1710909726) is an individual emergency medicine provider in Brooklyn, New York, licensed in New York (1872931) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Carl Ka-yee Hsu Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Carl Hsu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sonoma, CA 95476
- Reassigned Medicare billing, California enrollment
- 112 clinicians in this Medicare group
Garberville, CA 95542
- Reassigned Medicare billing, California enrollment
- 89 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11201 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.
BROOKLYN, NY 11201
BROOKLYN, NY 11201
BROOKLYN, NY 11201
BROOKLYN, NY 11201
BROOKLYN, NY 11201
BROOKLYN, NY 11201
BROOKLYN, NY 11201
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 Carl Hsu's NPI number?
The NPI number for Carl Hsu is 1710909726. It was assigned to this individual provider in the NPPES registry on July 25, 2006.
Where is Carl Hsu located?
Carl Hsu practices at 121 Dekalb Ave Brooklyn Hospital Center, Brooklyn, NY 11201. The listed phone number is (710) 250-8000.
What is Carl Hsu's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Carl Hsu enrolled in Medicare?
Yes. Carl Hsu is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Carl Hsu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carl Hsu reassigns Medicare benefits to 2 organizations: Sonoma Valley Emergency Physicians Medical Group, Inc (Sonoma, CA) and Southern Humboldt Community Healthcare District (Garberville, CA). 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 Carl Hsu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Carl Hsu was last updated on March 16, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Carl Ka-Yee Hsu, MD · NPI 1710909726
Emergency Medicine physician in Brooklyn, New York. Individual provider, active in the CMS NPPES registry since July 25, 2006.
## Identity
- **NPI:** 1710909726 (Entity type: Individual)
- **Enumerated:** July 25, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 1872931 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 121 DEKALB AVE, BROOKLYN HOSPITAL CENTER, Brooklyn, NY 11201
- **Phone:** (710) 250-8000 · **Fax:** (610) 617-6280
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Sonoma Valley Emergency Physicians Medical Group, Inc (NPI 1710164629, Sonoma, CA); Southern Humboldt Community Healthcare District (NPI 1336367515, Garberville, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 16, 2012
- **Other identifiers:** Medicaid 01530047 (NY); Medicare UPIN G10205; Medicare ID-Type Unspecified 40J761 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1710909726) · Data from the CMS NPPES public registry.