DR. ALEXANDER SY MD
NPI 1073833877
Internal Medicine - Hepatology in Miami, FL
About Dr. Alexander Sy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER SY MD (NPI 1073833877) is an individual hepatology provider in Miami, Florida, licensed in New York (273213) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Alexander Sy Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Alexander Sy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 623 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.
MIAMI, FL 33136
MIAMI, FL 33136
MIAMI, FL 33136
MIAMI, FL 33136
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 Alexander Sy's NPI number?
The NPI number for Alexander Sy is 1073833877. It was assigned to this individual provider in the NPPES registry on June 3, 2010.
Where is Alexander Sy located?
Alexander Sy practices at 1611 NW 12th Ave, Miami, FL 33136. The listed phone number is (305) 243-6884.
What is Alexander Sy's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hepatology, with taxonomy code 207RI0008X.
Is Alexander Sy enrolled in Medicare?
Yes. Alexander Sy is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Alexander Sy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Sy reassigns Medicare benefits to Metropolitan Medical Practice Plan PC (New York, 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 Alexander Sy'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 Alexander Sy was last updated on November 17, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.