DR. KOUSTAV MUKHERJEE M.D.
NPI 1538305248
Emergency Medicine in Bronx, NY
About Dr. Koustav Mukherjee M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KOUSTAV MUKHERJEE M.D. (NPI 1538305248) is an individual emergency medicine provider in Bronx, New York, licensed in New York (252331) and active in the NPI registry since December 2008. He is enrolled in Medicare PECOS, is affiliated with Bronxcare Hospital Center, and is a graduate of Albany Medical College Of Union University (2006).
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 and accepts Medicare assignment
Dr. Koustav Mukherjee M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Koustav Mukherjee reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bronx, NY 10457
- Reassigned Medicare billing, New York enrollment
- 795 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Bronxcare Hospital Center
Acute Care Hospitals · Bronx, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10457 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.
BRONX, NY 10457
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 Koustav Mukherjee's NPI number?
The NPI number for Koustav Mukherjee is 1538305248. It was assigned to this individual provider in the NPPES registry on December 30, 2008.
Where is Koustav Mukherjee located?
Koustav Mukherjee practices at 1650 Selwyn Ave, Bronx, NY 10457. The listed phone number is (718) 960-1400.
What is Koustav Mukherjee's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Koustav Mukherjee enrolled in Medicare?
Yes. Koustav Mukherjee is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Koustav Mukherjee's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Koustav Mukherjee reassigns Medicare benefits to Bronxcare Health System (Bronx, 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 Koustav Mukherjee's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Koustav Mukherjee affiliated with any hospitals?
According to CMS data, Koustav Mukherjee is affiliated with Bronxcare Hospital Center.
When was this NPI record last updated?
The NPPES record for Koustav Mukherjee was last updated on November 30, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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. Koustav Mukherjee, M.D. · NPI 1538305248
Emergency Medicine physician in Bronx, New York. Individual provider, active in the CMS NPPES registry since December 30, 2008.
## Identity
- **NPI:** 1538305248 (Entity type: Individual)
- **Enumerated:** December 30, 2008
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 252331 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1650 SELWYN AVE, Bronx, NY 10457-7626
- **Phone:** (718) 960-1400
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Bronxcare Health System (NPI 1194060418, Bronx, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albany Medical College Of Union University, class of 2006
## Record status
- **NPPES last updated:** November 30, 2009
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Source: [NPI Profile](https://npiprofile.com/npi/1538305248) · Data from the CMS NPPES public registry.