CHENGCHENG GUI
NPI 1740725902
Radiology - Radiation Oncology in Baltimore, MD
About Chengcheng Gui NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHENGCHENG GUI (NPI 1740725902) is an individual radiation oncology provider in Baltimore, Maryland, licensed in Maryland (D0103180) and active in the NPI registry since December 2016. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Chengcheng Gui is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Chengcheng Gui 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
- 4,483 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, District of Columbia enrollment
- 42 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.
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 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.
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 Chengcheng Gui's NPI number?
The NPI number for Chengcheng Gui is 1740725902. It was assigned to this individual provider in the NPPES registry on December 27, 2016.
Where is Chengcheng Gui located?
Chengcheng Gui practices at 600 N Wolfe St The Johns Hopkins Hospital, Baltimore, MD 21287. The listed phone number is (410) 955-5000.
What is Chengcheng Gui's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Chengcheng Gui enrolled in Medicare?
Yes. Chengcheng Gui is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Chengcheng Gui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chengcheng Gui 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 Chengcheng Gui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Chengcheng Gui affiliated with any hospitals?
According to CMS data, Chengcheng Gui is affiliated with Johns Hopkins Hospital, The and Johns Hopkins Bayview Medical Center.
When was this NPI record last updated?
The NPPES record for Chengcheng Gui was last updated on June 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.