JOSEPH J CHEN MD
NPI 1124152574
Radiology - Diagnostic Radiology in Baltimore, MD
About Joseph J Chen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSEPH J CHEN MD (NPI 1124152574) is an individual diagnostic radiology provider in Baltimore, Maryland, licensed in Maryland (D0067251) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and maintains a secondary practice location in Fort Myers.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Joseph J Chen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
16Medicare enrollment records show Joseph Chen reassigns Medicare billing to 16 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- 130 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- 122 clinicians in this Medicare group
Baltimore, MD 21202
- Reassigned Medicare billing, District of Columbia enrollment
- 242 clinicians in this Medicare group
Glen Burnie, MD 21061
- Reassigned Medicare billing, Maryland enrollment
- 123 clinicians in this Medicare group
Arlington, VA 22203
- Reassigned Medicare billing, District of Columbia enrollment
- 1,534 clinicians in this Medicare group
Bayonne, NJ 07002
- Reassigned Medicare billing, Maryland and New Jersey enrollments
- 7 clinicians in this Medicare group
Greensboro, NC 27406
- Reassigned Medicare billing, North Carolina, Ohio, Indiana and Florida enrollments
- Also billed through NPI 1992034680 (Ohio), NPI 1699123554 (Indiana), NPI 1992034490 (Florida)
- 71 clinicians in this Medicare group
Columbus, OH 43230
- Reassigned Medicare billing, Ohio enrollment
- 74 clinicians in this Medicare group
Wilmington, NC 28401
- Reassigned Medicare billing, North Carolina enrollment
- 444 clinicians in this Medicare group
Hartsville, SC 29550
- Reassigned Medicare billing, South Carolina enrollment
- 116 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 16
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 5
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, MDAscension St John Hospital
Acute Care Hospitals · Detroit, MIAscension Macomb Oakland Hosp-Warren Campus
Acute Care Hospitals · Warren, MICarepoint Health - Bayonne Medical Center
Acute Care Hospitals · Bayonne, NJCarepoint Health-Hoboken University Medical Center
Acute Care Hospitals · Hoboken, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21201 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.
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
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 Joseph Chen's NPI number?
The NPI number for Joseph Chen is 1124152574. It was assigned to this individual provider in the NPPES registry on March 16, 2007.
Where is Joseph Chen located?
Joseph Chen practices at 22 S Greene St, Dept Of Radiology, Baltimore, MD 21201. The listed phone number is (410) 328-3477.
What is Joseph Chen's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Joseph Chen enrolled in Medicare?
Yes. Joseph Chen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Joseph Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Chen reassigns Medicare benefits to 16 organizations: University Of Maryland Diagnostic Imaging Specialists P A (Baltimore, MD), University Imaging Center, LLC (Baltimore, MD), Privia Care Center LLC (Baltimore, MD), University Of Maryland Diagnostic Radiology, LLC (Glen Burnie, MD), Privia Medical Group, LLC (Arlington, VA) and 11 more organizations, listed in the Medicare section above. 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 Joseph Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joseph Chen accept?
Health plans from Blue Cross and Blue Shield of NC, CareSource, Cigna Healthcare and Oscar Health Insurance list Joseph 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 Joseph Chen affiliated with any hospitals?
According to CMS data, Joseph Chen is affiliated with University Of Maryland Medical Center, Ascension St John Hospital, Ascension Macomb Oakland Hosp-Warren Campus, Carepoint Health - Bayonne Medical Center and Carepoint Health-Hoboken University Medical Center.
When was this NPI record last updated?
The NPPES record for Joseph Chen was last updated on June 2, 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.
# Joseph J Chen, MD · NPI 1124152574
Diagnostic Radiology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since March 16, 2007.
## Identity
- **NPI:** 1124152574 (Entity type: Individual)
- **Enumerated:** March 16, 2007
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** D0067251 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 S GREENE ST, DEPT OF RADIOLOGY, Baltimore, MD 21201-1544
- **Phone:** (410) 328-3477
## 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:** 16 organizations under Medicare reassignment (form CMS-855R): University Of Maryland Diagnostic Imaging Specialists P A (NPI 1154335487, Baltimore, MD); University Imaging Center, LLC (NPI 1245245307, Baltimore, MD); Privia Care Center LLC (NPI 1730664012, Baltimore, MD); University Of Maryland Diagnostic Radiology, LLC (NPI 1548803257, Glen Burnie, MD); Privia Medical Group, LLC (NPI 1013042480, Arlington, VA); and 11 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Pittsburgh School Of Medicine, class of 2005
## Record status
- **NPPES last updated:** June 2, 2025
- **Other identifiers:** Medicaid 013240074 (DC); Medicaid 033536300 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1124152574) · Data from the CMS NPPES public registry.