SEIN YIN SEE, MD. PLLC
NPI 1366818155
Internal Medicine - Nephrology in Brooklyn, NY
About Sein Yin See, Md. Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SEIN YIN SEE, MD. PLLC (NPI 1366818155) is a healthcare organization registered as a nephrology in Brooklyn, New York and active in the NPI registry since August 2015. The organization lists Sein Yin See, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sein Yin See, Md. Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Sein Yin See, MD. PLLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Sein Yin See, MD. PLLC's NPI number?
The NPI number for Sein Yin See, MD. PLLC is 1366818155. It was assigned to this organization in the NPPES registry on August 14, 2015.
Where is Sein Yin See, MD. PLLC located?
Sein Yin See, MD. PLLC is located at 849 57th St, Brooklyn, NY 11220. The listed phone number is (917) 226-0922.
What is Sein Yin See, MD. PLLC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Sein Yin See, MD. PLLC enrolled in Medicare?
Yes. Sein Yin See, MD. PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Sein Yin See, MD. PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nephrology) reassigns their Medicare billing to Sein Yin See, MD. PLLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Sein Yin See, MD. PLLC was last updated on September 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 days 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.
# Sein Yin See, Md. Pllc · NPI 1366818155
Nephrology organization in Brooklyn, New York. Organization record, active in the CMS NPPES registry since August 14, 2015.
## Identity
- **NPI:** 1366818155 (Entity type: Organization)
- **Enumerated:** August 14, 2015
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **Organization subpart:** No
- **Authorized official:** Sein See, OWNER
## Practice location
- **Address:** 849 57TH ST, Brooklyn, NY 11220
- **Phone:** (917) 226-0922
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Nephrology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 11, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1366818155) · Data from the CMS NPPES public registry.