JENNY YU MD
NPI 1336348176
Pediatrics - Neonatal-Perinatal Medicine in Baltimore, MD
About Jenny Yu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JENNY YU MD (NPI 1336348176) is an individual neonatal-perinatal medicine provider in Baltimore, Maryland, licensed in Maryland (D72885) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Jenny Yu Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Jenny Yu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21239
- Reassigned Medicare billing, Maryland enrollment
- 2,602 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
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 Jenny Yu's NPI number?
The NPI number for Jenny Yu is 1336348176. It was assigned to this individual provider in the NPPES registry on July 12, 2007. The provider is also known as Jenny Hess MD.
Where is Jenny Yu located?
Jenny Yu practices at 600 N Wolfe St Jhh - Nelson 2-133, Baltimore, MD 21287. The listed phone number is (410) 955-5321.
What is Jenny Yu's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.
Is Jenny Yu enrolled in Medicare?
Yes. Jenny Yu is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Jenny Yu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jenny Yu reassigns Medicare benefits to Medstar Medical Group II LLC (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 Jenny Yu'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 Jenny Yu was last updated on September 15, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.