ARJUN SINHA MD
NPI 1255673935
Internal Medicine - Advanced Heart Failure and Transplant Cardiology in Chicago, IL
About Arjun Sinha Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ARJUN SINHA MD (NPI 1255673935) is an individual advanced heart failure and transplant cardiology provider in Chicago, Illinois, licensed in Illinois (036142855) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and maintains a secondary practice location in San Francisco.
NPPES Registry Identity
Specialties & Licenses 3
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 and accepts Medicare assignment
Arjun Sinha Md 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 Arjun Sinha reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 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 33
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northshore University Healthsystem - Evanston Hospital
Acute Care Hospitals · Evanston, ILNorthwestern Medicine Mchenry
Acute Care Hospitals · Mchenry, ILNorthwestern Lake Forest Hospital
Acute Care Hospitals · Lake Forest, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILNorthwestern Memorial Hospital
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60611 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.
CHICAGO, IL 60611
CHICAGO, IL 60611
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 Arjun Sinha's NPI number?
The NPI number for Arjun Sinha is 1255673935. It was assigned to this individual provider in the NPPES registry on March 20, 2013.
Where is Arjun Sinha located?
Arjun Sinha practices at 675 N Saint Clair St Ste 18-200, Chicago, IL 60611. The listed phone number is (312) 695-8630.
What is Arjun Sinha's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Advanced Heart Failure and Transplant Cardiology, with taxonomy code 207RA0001X.
Is Arjun Sinha enrolled in Medicare?
Yes. Arjun Sinha 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 Arjun Sinha's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Arjun Sinha reassigns Medicare benefits to Northwestern Medical Faculty Foundation (Carol Stream, IL). 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 Arjun Sinha's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Arjun Sinha affiliated with any hospitals?
According to CMS data, Arjun Sinha is affiliated with Northshore University Healthsystem - Evanston Hospital, Northwestern Medicine Mchenry, Northwestern Lake Forest Hospital, Northwestern Medicine Central Dupage Hospital and Northwestern Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Arjun Sinha was last updated on January 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.