DILJON SINGH CHAHAL MD
NPI 1184883217
Internal Medicine - Interventional Cardiology in Baltimore, MD
About Diljon Singh Chahal Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DILJON SINGH CHAHAL MD (NPI 1184883217) is an individual interventional cardiology provider in Baltimore, Maryland, licensed in Maryland (D84713) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 4
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
Diljon Singh Chahal 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 Diljon Chahal reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21201
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Medicare enrollment name: University Of Maryland Physicians PA
- Also billed through NPI 1144270687 (Maryland)
- 3 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 23
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.
University Of Maryland Medical Center
Acute Care Hospitals · Baltimore, MDUniversity Of MD Capital Region Medical Center
Acute Care Hospitals · Upper Marlboro, MDUniversity Of MD Shore Medical Center At Easton
Acute Care Hospitals · Easton, MDUniversity Of MD Baltimore Washington Medical Center
Acute Care Hospitals · Glen Burnie, MDUmd Upper Chesapeake Medical Center
Acute Care Hospitals · Bel Air, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21201 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 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
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 Diljon Chahal's NPI number?
The NPI number for Diljon Chahal is 1184883217. It was assigned to this individual provider in the NPPES registry on June 4, 2008.
Where is Diljon Chahal located?
Diljon Chahal practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 328-7877.
What is Diljon Chahal's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Diljon Chahal enrolled in Medicare?
Yes. Diljon Chahal 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 Diljon Chahal's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diljon Chahal reassigns Medicare benefits to University Of Maryland Physicians P.A. (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 Diljon Chahal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Diljon Chahal affiliated with any hospitals?
According to CMS data, Diljon Chahal is affiliated with University Of Maryland Medical Center, University Of MD Capital Region Medical Center, University Of MD Shore Medical Center At Easton, University Of MD Baltimore Washington Medical Center and Umd Upper Chesapeake Medical Center.
When was this NPI record last updated?
The NPPES record for Diljon Chahal was last updated on February 27, 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.
# Diljon Singh Chahal, MD · NPI 1184883217
Interventional Cardiology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since June 4, 2008.
## Identity
- **NPI:** 1184883217 (Entity type: Individual)
- **Enumerated:** June 4, 2008
- **Primary specialty:** Internal Medicine - Interventional Cardiology · taxonomy 207RI0011X
- **State license:** D84713 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 22 S GREENE ST, Baltimore, MD 21201
- **Phone:** (410) 328-7877 · **Fax:** (410) 328-1048
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** University Of Maryland Physicians P.A. (NPI 1689623175, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 2008
## Record status
- **NPPES last updated:** February 27, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1184883217) · Data from the CMS NPPES public registry.