DR. ANDREW NGUYEN M.D.
NPI 1265653778
Internal Medicine - Infectious Disease in Amityville, NY
About Dr. Andrew Nguyen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANDREW NGUYEN M.D. (NPI 1265653778) is an individual infectious disease provider in Amityville, New York, licensed in New York (234168) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Good Samaritan Hospital Medical Center, and is a graduate of State University Of New York Downstate Medical Center (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Andrew Nguyen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Andrew Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Amityville, NY 11701
- Reassigned Medicare billing, New York enrollment
- 6 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 3
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Good Samaritan Hospital Medical Center
Acute Care Hospitals · West Islip, NYPlainview Hospital
Acute Care Hospitals · Plainview, NYChsli St Joseph Hospital
Acute Care Hospitals · Bethpage, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11701 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.
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 1265653778. It was assigned to this individual provider in the NPPES registry on May 1, 2007.
Where is Andrew Nguyen located?
Andrew Nguyen practices at 333 Broadway, Amityville, NY 11701. The listed phone number is (631) 789-2020.
What is Andrew Nguyen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Andrew Nguyen enrolled in Medicare?
Yes. Andrew Nguyen is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Andrew Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Nguyen reassigns Medicare benefits to Vinod Gulati, MD PLLC (Amityville, 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 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 Good Samaritan Hospital Medical Center, Plainview Hospital and Chsli St Joseph Hospital.
When was this NPI record last updated?
The NPPES record for Andrew Nguyen was last updated on November 1, 2011. 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.
# Dr. Andrew Nguyen, M.D. · NPI 1265653778
Infectious Disease physician in Amityville, New York. Individual provider, active in the CMS NPPES registry since May 1, 2007.
## Identity
- **NPI:** 1265653778 (Entity type: Individual)
- **Enumerated:** May 1, 2007
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 234168 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 333 BROADWAY, Amityville, NY 11701
- **Phone:** (631) 789-2020
## 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:** Vinod Gulati, MD PLLC (NPI 1730628611, Amityville, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York Downstate Medical Center, class of 2001
## Record status
- **NPPES last updated:** November 1, 2011
- **Other identifiers:** Medicare UPIN I26606 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1265653778) · Data from the CMS NPPES public registry.