HSIANG-WEI MA MD
NPI 1255911871
Student in an Organized Health Care Education/Training Program in Brooklyn, NY
About Hsiang-wei Ma Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HSIANG-WEI MA MD (NPI 1255911871) is an individual student in an organized health care education/training program in Brooklyn, New York and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Hsiang-wei Ma Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Hsiang-wei Ma reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oceanside, NY 11572
- Reassigned Medicare billing, New York enrollment
- 52 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.
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 Hsiang-wei Ma's NPI number?
The NPI number for Hsiang-wei Ma is 1255911871. It was assigned to this individual provider in the NPPES registry on April 8, 2021.
Where is Hsiang-wei Ma located?
Hsiang-wei Ma practices at 121 Dekalb Ave, Brooklyn, NY 11201. The listed phone number is (718) 250-8369.
What is Hsiang-wei Ma's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Hsiang-wei Ma enrolled in Medicare?
Yes. Hsiang-wei Ma is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Hsiang-wei Ma's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hsiang-wei Ma reassigns Medicare benefits to South Nassau Physician Group PC (Oceanside, NY). 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 Hsiang-wei Ma'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 Hsiang-wei Ma was last updated on April 8, 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.
# Hsiang-Wei Ma, MD · NPI 1255911871
Student in an Organized Health Care Education/Training Program provider in Brooklyn, New York. Individual provider, active in the CMS NPPES registry since April 8, 2021.
## Identity
- **NPI:** 1255911871 (Entity type: Individual)
- **Enumerated:** April 8, 2021
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** No
## Practice location
- **Address:** 121 DEKALB AVE, Brooklyn, NY 11201-5425
- **Phone:** (718) 250-8369
## 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:** South Nassau Physician Group PC (NPI 1922460542, Oceanside, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 8, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1255911871) · Data from the CMS NPPES public registry.