DR. WEINING DAVID XU MD
NPI 1326369711
Internal Medicine - Advanced Heart Failure and Transplant Cardiology in Baltimore, MD
About Dr. Weining David Xu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WEINING DAVID XU MD (NPI 1326369711) is an individual advanced heart failure and transplant cardiology provider in Baltimore, Maryland, licensed in Maryland (D0087762) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and maintains a secondary practice location in Washington.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Dr. Weining David Xu 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 Reassignments
2Medicare enrollment records show Weining Xu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21239
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 3,530 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 277 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 4
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, MDMedstar Franklin Square Medical Center
Acute Care Hospitals · Rosedale, MDMedstar Union Memorial Hospital
Acute Care Hospitals · Baltimore, MDMedstar Good Samaritan Hospital
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21218 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.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21218
BALTIMORE, MD 21218
BALTIMORE, MD 21218
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 Weining Xu's NPI number?
The NPI number for Weining Xu is 1326369711. It was assigned to this individual provider in the NPPES registry on June 19, 2010.
Where is Weining Xu located?
Weining Xu practices at 3333 North Calvert Street Johnston Ll08, Baltimore, MD 21218. The listed phone number is (410) 554-6550.
What is Weining Xu'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 Weining Xu enrolled in Medicare?
Yes. Weining Xu 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 organizations bill Medicare for Weining Xu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Weining Xu reassigns Medicare benefits to 2 organizations: Medstar Medical Group II LLC (Baltimore, MD) and Medstar Heart Institute LLC (Washington, DC). 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 Weining Xu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Weining Xu affiliated with any hospitals?
According to CMS data, Weining Xu is affiliated with University Of Maryland Medical Center, Medstar Franklin Square Medical Center, Medstar Union Memorial Hospital and Medstar Good Samaritan Hospital.
When was this NPI record last updated?
The NPPES record for Weining Xu was last updated on August 10, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Weining David Xu, MD · NPI 1326369711
Advanced Heart Failure and Transplant Cardiology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since June 19, 2010.
## Identity
- **NPI:** 1326369711 (Entity type: Individual)
- **Enumerated:** June 19, 2010
- **Primary specialty:** Internal Medicine - Advanced Heart Failure and Transplant Cardiology · taxonomy 207RA0001X
- **State license:** D0087762 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 3333 NORTH CALVERT STREET, JOHNSTON LL08, Baltimore, MD 21218
- **Phone:** (410) 554-6550 · **Fax:** (410) 554-6534
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Medstar Medical Group II LLC (NPI 1184046187, Baltimore, MD); Medstar Heart Institute LLC (NPI 1528345378, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 2010
## Record status
- **NPPES last updated:** August 10, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1326369711) · Data from the CMS NPPES public registry.