JOSEPH CHANG MD
NPI 1295120400
Internal Medicine - Infectious Disease in Ellicott City, MD
About Joseph Chang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSEPH CHANG MD (NPI 1295120400) is an individual infectious disease provider in Ellicott City, Maryland, licensed in Maryland (D88965) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Luminis Health Anne Arundel Medical Center, Inc, and is a graduate of Wayne State University School Of Medicine (2015).
NPPES Registry Identity
Specialties & Licenses
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
Joseph Chang 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 Reassignments
2Medicare enrollment records show Joseph Chang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbia, MD 21044
- Reassigned Medicare billing, Maryland enrollment
- 95 clinicians in this Medicare group
Odenton, MD 21113
- Reassigned Medicare billing, Maryland enrollment
- 794 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Luminis Health Anne Arundel Medical Center, Inc
Acute Care Hospitals · Annapolis, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21043 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ELLICOTT CITY, MD 21043
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 Chang's NPI number?
The NPI number for Joseph Chang is 1295120400. It was assigned to this individual provider in the NPPES registry on April 3, 2015.
Where is Joseph Chang located?
Joseph Chang practices at 2850 N Ridge Rd Ste 102, Ellicott City, MD 21043. The listed phone number is (410) 418-8550.
What is Joseph Chang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Joseph Chang enrolled in Medicare?
Yes. Joseph Chang 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 organizations bill Medicare for Joseph Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Chang reassigns Medicare benefits to 2 organizations: Johns Hopkins Regional Physicians LLC (Columbia, MD) and Luminis Health Medical Group, LLC (Odenton, 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 Joseph Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Joseph Chang affiliated with any hospitals?
According to CMS data, Joseph Chang is affiliated with Luminis Health Anne Arundel Medical Center, Inc.
When was this NPI record last updated?
The NPPES record for Joseph Chang was last updated on February 9, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Joseph Chang, MD · NPI 1295120400
Infectious Disease physician in Ellicott City, Maryland. Individual provider, active in the CMS NPPES registry since April 3, 2015.
## Identity
- **NPI:** 1295120400 (Entity type: Individual)
- **Enumerated:** April 3, 2015
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** D88965 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 2850 N RIDGE RD STE 102, Ellicott City, MD 21043-3396
- **Phone:** (410) 418-8550 · **Fax:** (410) 418-8552
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins Regional Physicians LLC (NPI 1578424636, Columbia, MD); Luminis Health Medical Group, LLC (NPI 1104719277, Odenton, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 2015
## Record status
- **NPPES last updated:** February 9, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1295120400) · Data from the CMS NPPES public registry.