ILAN WITTSTEIN M.D.
NPI 1740226729
Internal Medicine - Advanced Heart Failure and Transplant Cardiology in Baltimore, MD
About Ilan Wittstein M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ILAN WITTSTEIN M.D. (NPI 1740226729) is an individual advanced heart failure and transplant cardiology provider in Baltimore, Maryland, licensed in Maryland (D44768) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of Johns Hopkins University School Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ilan Wittstein M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Ilan Wittstein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 39 clinicians in this Medicare group
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 10
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Hospital, The
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.
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.
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 Ilan Wittstein's NPI number?
The NPI number for Ilan Wittstein is 1740226729. It was assigned to this individual provider in the NPPES registry on June 20, 2006.
Where is Ilan Wittstein located?
Ilan Wittstein practices at 600 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 955-3116.
What is Ilan Wittstein'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 Ilan Wittstein enrolled in Medicare?
Yes. Ilan Wittstein is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ilan Wittstein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ilan Wittstein reassigns Medicare benefits to 2 organizations: Johns Hopkins University (Baltimore, MD) and Johns Hopkins University (Baltimore, MD). Each 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 Ilan Wittstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ilan Wittstein affiliated with any hospitals?
According to CMS data, Ilan Wittstein is affiliated with Johns Hopkins Hospital, The.
When was this NPI record last updated?
The NPPES record for Ilan Wittstein was last updated on April 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.