ANDREW NGUYEN MD
NPI 1336886126
Emergency Medicine in Brooklyn, NY
About Andrew Nguyen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREW NGUYEN MD (NPI 1336886126) is an individual emergency medicine provider in Brooklyn, New York, licensed in New York (337969) and active in the NPI registry since May 2022. He is enrolled in Medicare PECOS, is affiliated with New York-presbyterian Hospital, and is a graduate of Medical College Of Wisconsin (2022).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Andrew Nguyen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Andrew Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11215
- Reassigned Medicare billing, New York enrollment
- 1,029 clinicians in this Medicare group
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Emergency Medicine Specialists Sc
- 244 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
New York-Presbyterian Hospital
Acute Care Hospitals · New York, NYAscension Columbia St Mary's Hospital Milwaukee
Acute Care Hospitals · Milwaukee, WIAscension All Saints Hospital
Acute Care Hospitals · Racine, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11215 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 11215
BROOKLYN, NY 11215
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 Andrew Nguyen's NPI number?
The NPI number for Andrew Nguyen is 1336886126. It was assigned to this individual provider in the NPPES registry on May 13, 2022.
Where is Andrew Nguyen located?
Andrew Nguyen practices at 506 6th St, Brooklyn, NY 11215. The listed phone number is (718) 780-3000.
What is Andrew Nguyen's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Andrew Nguyen enrolled in Medicare?
Yes. Andrew Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Andrew Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Nguyen reassigns Medicare benefits to 2 organizations: Kings Physician Services, PC (Brooklyn, NY) and Emergency Medicine Specialists, S.C. (Milwaukee, WI). 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 Andrew Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Andrew Nguyen affiliated with any hospitals?
According to CMS data, Andrew Nguyen is affiliated with New York-Presbyterian Hospital, Ascension Columbia St Mary's Hospital Milwaukee and Ascension All Saints Hospital.
When was this NPI record last updated?
The NPPES record for Andrew Nguyen was last updated on July 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.
# Andrew Nguyen, MD · NPI 1336886126
Emergency Medicine physician in Brooklyn, New York. Individual provider, active in the CMS NPPES registry since May 13, 2022.
## Identity
- **NPI:** 1336886126 (Entity type: Individual)
- **Enumerated:** May 13, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 337969 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 506 6TH ST, Brooklyn, NY 11215-3609
- **Phone:** (718) 780-3000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **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): Kings Physician Services, PC (NPI 1083045090, Brooklyn, NY); Emergency Medicine Specialists, S.C. (NPI 1568413524, Milwaukee, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 2022
## Record status
- **NPPES last updated:** July 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1336886126) · Data from the CMS NPPES public registry.