SAYED MAHMUD LLD
NPI 1447822259
Internal Medicine in Brooklyn, NY
About Sayed Mahmud Lld NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAYED MAHMUD LLD (NPI 1447822259) is an individual internal medicine provider in Brooklyn, New York, licensed in New York (P110341) and active in the NPI registry since July 2021. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sayed Mahmud Lld is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Sayed Mahmud reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11211
- Reassigned Medicare billing, New York enrollment
- 10 clinicians in this Medicare group
Brooklyn, NY 11229
- Reassigned Medicare billing, New York enrollment
- 72 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 6
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11211 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 3
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 Sayed Mahmud's NPI number?
The NPI number for Sayed Mahmud is 1447822259. It was assigned to this individual provider in the NPPES registry on July 12, 2021.
Where is Sayed Mahmud located?
Sayed Mahmud practices at 309 Rutledge St Ste 2B, Brooklyn, NY 11211. The listed phone number is (845) 738-8770.
What is Sayed Mahmud's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Sayed Mahmud enrolled in Medicare?
Yes. Sayed Mahmud is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Sayed Mahmud's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sayed Mahmud reassigns Medicare benefits to 2 organizations: Clear Choice Medical PC (Brooklyn, NY) and Ilm Medical Care PLLC (Brooklyn, NY). 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 Sayed Mahmud'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 Sayed Mahmud was last updated on July 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.