WILLIAMSBURGH INTERNAL MEDICINE P.C.
NPI 1417237389
Internal Medicine in Brooklyn, NY
About Williamsburgh Internal Medicine P.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAMSBURGH INTERNAL MEDICINE P.C. (NPI 1417237389) is a healthcare organization registered as an internal medicine in Brooklyn, New York and active in the NPI registry since August 2011. The organization lists Sixto R Caro, Md, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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)
Williamsburgh Internal Medicine P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
6Medicare enrollment records show 6 clinicians reassign Medicare billing to Williamsburgh Internal Medicine P.C., which bills Medicare for the services they deliver. Of these, 2 practice at this address and 4 within 10 miles. They are listed nearest first.
Clinicians, nearest first (6)
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 Williamsburgh Internal Medicine P.C.'s NPI number?
The NPI number for Williamsburgh Internal Medicine P.C. is 1417237389. It was assigned to this organization in the NPPES registry on August 24, 2011.
Where is Williamsburgh Internal Medicine P.C. located?
Williamsburgh Internal Medicine P.C. is located at 231 S 3rd St, Brooklyn, NY 11211. The listed phone number is (718) 599-0505.
What is Williamsburgh Internal Medicine P.C.'s specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Williamsburgh Internal Medicine P.C. enrolled in Medicare?
Yes. Williamsburgh Internal Medicine P.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Williamsburgh Internal Medicine P.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 3 Medicare specialties reassign their Medicare billing to Williamsburgh Internal Medicine P.C.. 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. The largest specialties are Internal Medicine (4), Infectious Disease (1) and Obstetrics/Gynecology (1). Of these, 2 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Williamsburgh Internal Medicine P.C. was last updated on June 13, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.