MIHIR MAJMUNDAR MDSC
NPI 1982173381
Internal Medicine - Gastroenterology in Chicago, IL
About Mihir Majmundar Mdsc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MIHIR MAJMUNDAR MDSC (NPI 1982173381) is a healthcare organization registered as a gastroenterology in Chicago, Illinois and active in the NPI registry since November 2018. The organization lists Mihir Majmundar, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mihir Majmundar Mdsc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Mihir Majmundar Mdsc, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Mihir Majmundar Mdsc's NPI number?
The NPI number for Mihir Majmundar Mdsc is 1982173381. It was assigned to this organization in the NPPES registry on November 15, 2018.
Where is Mihir Majmundar Mdsc located?
Mihir Majmundar Mdsc is located at 4849 W Fullerton Ave, Chicago, IL 60639. The listed phone number is (630) 952-1400.
What is Mihir Majmundar Mdsc's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Mihir Majmundar Mdsc enrolled in Medicare?
Yes. Mihir Majmundar Mdsc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mihir Majmundar Mdsc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Mihir Majmundar Mdsc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Mihir Majmundar Mdsc was last updated on June 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Mihir Majmundar Mdsc · NPI 1982173381
Gastroenterology organization in Chicago, Illinois. Organization record, active in the CMS NPPES registry since November 15, 2018.
## Identity
- **NPI:** 1982173381 (Entity type: Organization)
- **Enumerated:** November 15, 2018
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Organization subpart:** No
- **Authorized official:** Mihir Majmundar, PRESIDENT
## Practice location
- **Address:** 4849 W FULLERTON AVE, Chicago, IL 60639-2503
- **Phone:** (630) 952-1400
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Gastroenterology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 9, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1982173381) · Data from the CMS NPPES public registry.