KUSUM VISWANATHAN M.D.
NPI 1790876126
Pediatrics - Pediatric Hematology-Oncology in Brooklyn, NY
About Kusum Viswanathan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KUSUM VISWANATHAN M.D. (NPI 1790876126) is an individual pediatric hematology-oncology provider in Brooklyn, New York, licensed in New York (164894) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Kusum Viswanathan M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Kusum Viswanathan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11212
- Reassigned Medicare billing, New York enrollment
- 782 clinicians in this Medicare group
Brooklyn, NY 11213
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Interfaith Professional Physician Services PC
- 635 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.
BROOKLYN, NY 11212
BROOKLYN, NY 11212
BROOKLYN, NY 11212
BROOKLYN, NY 11212
BROOKLYN, NY 11212
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 Kusum Viswanathan's NPI number?
The NPI number for Kusum Viswanathan is 1790876126. It was assigned to this individual provider in the NPPES registry on September 28, 2006.
Where is Kusum Viswanathan located?
Kusum Viswanathan practices at 1 Brookdale Plz Suite # 346, Brooklyn, NY 11212. The listed phone number is (718) 240-5904.
What is Kusum Viswanathan's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Kusum Viswanathan enrolled in Medicare?
Yes. Kusum Viswanathan is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Kusum Viswanathan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kusum Viswanathan reassigns Medicare benefits to 2 organizations: Brookdale Hospital Medical Center (Brooklyn, NY) and Interfaith Professional Physician Services, P.C. (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 Kusum Viswanathan'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 Kusum Viswanathan was last updated on November 21, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Kusum Viswanathan, M.D. · NPI 1790876126
Pediatric Hematology-Oncology physician in Brooklyn, New York. Individual provider, active in the CMS NPPES registry since September 28, 2006.
## Identity
- **NPI:** 1790876126 (Entity type: Individual)
- **Enumerated:** September 28, 2006
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** 164894 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 BROOKDALE PLZ, SUITE # 346, Brooklyn, NY 11212-3139
- **Phone:** (718) 240-5904
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Brookdale Hospital Medical Center (NPI 1720028772, Brooklyn, NY); Interfaith Professional Physician Services, P.C. (NPI 1457643991, Brooklyn, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 21, 2013
- **Other identifiers:** Medicare UPIN B02664 (NY); Medicaid 00961826 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1790876126) · Data from the CMS NPPES public registry.