NAVJOT SINGH
NPI 1326579673
Internal Medicine in New York, NY
About Navjot Singh NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NAVJOT SINGH (NPI 1326579673) is an individual internal medicine provider in New York, New York, licensed in New York (304481) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS and maintains a secondary practice location in New York.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Navjot Singh is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Navjot Singh reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10019
- Reassigned Medicare billing, New York enrollment
- 99 clinicians in this Medicare group
Mount Kisco, NY 10549
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Optum Medical Care PC
- 1,601 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 17
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 10017 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.
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 Navjot Singh's NPI number?
The NPI number for Navjot Singh is 1326579673. It was assigned to this individual provider in the NPPES registry on March 27, 2017.
Where is Navjot Singh located?
Navjot Singh practices at 489 5th Ave Fl 3, New York, NY 10017. The listed phone number is (212) 441-4400.
What is Navjot Singh's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Navjot Singh enrolled in Medicare?
Yes. Navjot Singh is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Navjot Singh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Navjot Singh reassigns Medicare benefits to 2 organizations: Mount Sinai School Of Medicine (New York, NY) and Optum Medical Care, P.C. (Mount Kisco, 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 Navjot Singh'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 Navjot Singh was last updated on July 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.