VANITHA SEETHA SIVAKUMAR MD
NPI 1649433699
Internal Medicine in Newport News, VA
About Vanitha Seetha Sivakumar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VANITHA SEETHA SIVAKUMAR MD (NPI 1649433699) is an individual internal medicine provider in Newport News, Virginia, licensed in Virginia (0101249125) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS, is affiliated with Riverside Regional Medical Center, and maintains a secondary practice location in Virginia Beach.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Vanitha Seetha Sivakumar Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Vanitha Sivakumar reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Newport News, VA 23601
- Reassigned Medicare billing, Virginia enrollment
- 1,097 clinicians in this Medicare group
Norfolk, VA 23502
- Reassigned Medicare billing, Virginia enrollment
- 1,901 clinicians in this Medicare group
Alexandria, VA 22306
- Reassigned Medicare billing, Virginia enrollment
- 52 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 5
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.
Riverside Regional Medical Center
Acute Care Hospitals · Newport News, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 23601 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.
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.
NEWPORT NEWS, VA 23601
NEWPORT NEWS, VA 23601
NEWPORT NEWS, VA 23601
NEWPORT NEWS, VA 23601
NEWPORT NEWS, VA 23601
NEWPORT NEWS, VA 23601
NEWPORT NEWS, VA 23601
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 Vanitha Sivakumar's NPI number?
The NPI number for Vanitha Sivakumar is 1649433699. It was assigned to this individual provider in the NPPES registry on July 9, 2008.
Where is Vanitha Sivakumar located?
Vanitha Sivakumar practices at 500 J Clyde Morris Blvd, Newport News, VA 23601. The listed phone number is (757) 594-3580.
What is Vanitha Sivakumar's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Vanitha Sivakumar enrolled in Medicare?
Yes. Vanitha Sivakumar is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Vanitha Sivakumar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vanitha Sivakumar reassigns Medicare benefits to 3 organizations: Riverside Physician Services Inc (Newport News, VA), Sentara Medical Group (Norfolk, VA) and Clark Alliance Services Inc (Alexandria, VA). 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 Vanitha Sivakumar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Vanitha Sivakumar affiliated with any hospitals?
According to CMS data, Vanitha Sivakumar is affiliated with Riverside Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Vanitha Sivakumar was last updated on February 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.