BERNARD GEORGES JAAR M.D.
NPI 1962408617
Internal Medicine - Nephrology in Baltimore, MD
About Bernard Georges Jaar M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BERNARD GEORGES JAAR M.D. (NPI 1962408617) is an individual nephrology provider in Baltimore, Maryland, licensed in Maryland (D0058306) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and maintains a secondary practice location in Baltimore.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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)
Bernard Georges Jaar M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Bernard Jaar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21224
- 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 12
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 21224 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Bernard Jaar's NPI number?
The NPI number for Bernard Jaar is 1962408617. It was assigned to this individual provider in the NPPES registry on June 27, 2005.
Where is Bernard Jaar located?
Bernard Jaar practices at 301 Mason Lord Dr Ste 416, Baltimore, MD 21224. The listed phone number is (410) 550-1800.
What is Bernard Jaar's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Bernard Jaar enrolled in Medicare?
Yes. Bernard Jaar is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Bernard Jaar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Bernard Jaar 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 Bernard Jaar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Bernard Jaar affiliated with any hospitals?
According to CMS data, Bernard Jaar is affiliated with Johns Hopkins Hospital, The and Johns Hopkins Bayview Medical Center.
When was this NPI record last updated?
The NPPES record for Bernard Jaar was last updated on November 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.