ATAUL HAKIM CHOWDHURY M.D.
NPI 1043295413
Internal Medicine in Bronx, NY
About Ataul Hakim Chowdhury M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ATAUL HAKIM CHOWDHURY M.D. (NPI 1043295413) is an individual internal medicine provider in Bronx, New York, licensed in New York (256970) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ataul Hakim Chowdhury M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Ataul Chowdhury reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bronx, NY 10472
- Reassigned Medicare billing, New York enrollment
- 5 clinicians in this Medicare group
Bronx, NY 10472
- Reassigned Medicare billing, New York enrollment
- 7 clinicians in this Medicare group
Jamaica, NY 11432
- Reassigned Medicare billing, New York enrollment
- 8 clinicians in this Medicare group
Ridgewood, NJ 07450
- Reassigned Medicare billing, New Jersey enrollment
- 4 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 14
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 10472 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.
Reported Quality Measures
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 Ataul Chowdhury's NPI number?
The NPI number for Ataul Chowdhury is 1043295413. It was assigned to this individual provider in the NPPES registry on December 8, 2005.
Where is Ataul Chowdhury located?
Ataul Chowdhury practices at 1888 Westchester Ave # B, Bronx, NY 10472. The listed phone number is (917) 634-9600.
What is Ataul Chowdhury's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ataul Chowdhury enrolled in Medicare?
Yes. Ataul Chowdhury is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ataul Chowdhury's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ataul Chowdhury reassigns Medicare benefits to 4 organizations: Blue Sky Medical Services PC (Bronx, NY), Nyc Community Medical Care (Bronx, NY), Hillside Urgent Care PLLC (Jamaica, NY) and Ridgewood Primary Care Clinic Professional Corporation (Ridgewood, NJ). 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 Ataul Chowdhury'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 Ataul Chowdhury was last updated on February 20, 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.