DR. YING CHEN MD
NPI 1184828600
Internal Medicine - Nephrology in Saint Louis, MO
About Dr. Ying Chen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. YING CHEN MD (NPI 1184828600) is an individual nephrology provider in Saint Louis, Missouri, licensed in Missouri (2010008613) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and maintains a secondary practice location in Saint Louis.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
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. Ying Chen 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 Reassignment
Medicare enrollment records show Ying Chen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 1,133 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 3
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.
Barnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 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.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Ying Chen's NPI number?
The NPI number for Ying Chen is 1184828600. It was assigned to this individual provider in the NPPES registry on June 11, 2007.
Where is Ying Chen located?
Ying Chen practices at 4921 Parkview Pl Div Im Nephrology, Ste 5C, Saint Louis, MO 63110. The listed phone number is (314) 362-7603.
What is Ying Chen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Ying Chen enrolled in Medicare?
Yes. Ying Chen 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 organization bills Medicare for Ying Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ying Chen reassigns Medicare benefits to Washington University (Saint Louis, MO). 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 Ying Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ying Chen accept?
Health plans from Cox HealthPlans and UnitedHealthcare list Ying Chen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Ying Chen affiliated with any hospitals?
According to CMS data, Ying Chen is affiliated with Barnes Jewish Hospital.
When was this NPI record last updated?
The NPPES record for Ying Chen was last updated on September 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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. Ying Chen, MD · NPI 1184828600
Nephrology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since June 11, 2007.
## Identity
- **NPI:** 1184828600 (Entity type: Individual)
- **Enumerated:** June 11, 2007
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** 2010008613 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 4921 PARKVIEW PL, DIV IM NEPHROLOGY, STE 5C, Saint Louis, MO 63110-1032
- **Phone:** (314) 362-7603 · **Fax:** (314) 362-5470
## 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:** Washington University (NPI 1992746903, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** September 16, 2025
- **Other identifiers:** Medicaid 204195705 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1184828600) · Data from the CMS NPPES public registry.