DR. YANG-YANG DING M.D.
NPI 1730442047
Pediatrics - Pediatric Hematology-Oncology in Baltimore, MD
About Dr. Yang-yang Ding M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. YANG-YANG DING M.D. (NPI 1730442047) is an individual pediatric hematology-oncology provider in Baltimore, Maryland, licensed in Maryland (D0098827) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 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. Yang-yang Ding M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Yang-yang Ding reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21205
- 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.
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
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 Yang-yang Ding's NPI number?
The NPI number for Yang-yang Ding is 1730442047. It was assigned to this individual provider in the NPPES registry on June 21, 2012.
Where is Yang-yang Ding located?
Yang-yang Ding practices at 1800 Orleans St, Baltimore, MD 21287. The listed phone number is (410) 955-5000.
What is Yang-yang Ding's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Yang-yang Ding enrolled in Medicare?
Yes. Yang-yang Ding is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Yang-yang Ding's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yang-yang Ding 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 Yang-yang Ding's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Yang-yang Ding 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.
# Dr. Yang-Yang Ding, M.D. · NPI 1730442047
Pediatric Hematology-Oncology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since June 21, 2012.
## Identity
- **NPI:** 1730442047 (Entity type: Individual)
- **Enumerated:** June 21, 2012
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** D0098827 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1800 ORLEANS ST, Baltimore, MD 21287-0010
- **Phone:** (410) 955-5000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Johns Hopkins University (NPI 1033190442, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 9, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1730442047) · Data from the CMS NPPES public registry.