DR. ASHISH NIMGAONKAR
NPI 1861675407
Internal Medicine - Gastroenterology in Baltimore, MD
About Dr. Ashish Nimgaonkar NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ASHISH NIMGAONKAR (NPI 1861675407) is an individual gastroenterology provider in Baltimore, Maryland, licensed in Maryland (D76077) and active in the NPI registry since December 2007. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses 2
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)
Dr. Ashish Nimgaonkar is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ashish Nimgaonkar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 4,483 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 3
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDJohns Hopkins Bayview Medical Center
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21287 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.
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
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 Ashish Nimgaonkar's NPI number?
The NPI number for Ashish Nimgaonkar is 1861675407. It was assigned to this individual provider in the NPPES registry on December 5, 2007.
Where is Ashish Nimgaonkar located?
Ashish Nimgaonkar practices at 600 N Wolfe St Blalock 439, Baltimore, MD 21287. The listed phone number is (443) 287-1960.
What is Ashish Nimgaonkar's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Ashish Nimgaonkar enrolled in Medicare?
Yes. Ashish Nimgaonkar is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ashish Nimgaonkar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ashish Nimgaonkar reassigns Medicare benefits to Johns Hopkins University (Baltimore, MD). 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 Ashish Nimgaonkar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ashish Nimgaonkar affiliated with any hospitals?
According to CMS data, Ashish Nimgaonkar is affiliated with Johns Hopkins Hospital, The and Johns Hopkins Bayview Medical Center.
When was this NPI record last updated?
The NPPES record for Ashish Nimgaonkar was last updated on May 8, 2014. 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.