JOON K CHANG M.D.
NPI 1720087257
Internal Medicine - Interventional Cardiology in Columbus, MS
About Joon K Chang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOON K CHANG M.D. (NPI 1720087257) is an individual interventional cardiology provider in Columbus, Mississippi, licensed in Mississippi (20932) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Saint Anne's Hospital, and maintains a secondary practice location in Fall River.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Joon K Chang M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Joon Chang reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dalton, GA 30720
- Reassigned Medicare billing, Georgia enrollment
- 236 clinicians in this Medicare group
Dalton, GA 30720
- Reassigned Medicare billing, Georgia enrollment
- 178 clinicians in this Medicare group
Taunton, MA 02780
- Reassigned Medicare billing, Massachusetts enrollment
- 547 clinicians in this Medicare group
Watertown, MA 02472
- Reassigned Medicare billing, Massachusetts enrollment
- 1,103 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 2
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.
Saint Anne's Hospital
Acute Care Hospitals · Fall River, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39705 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.
COLUMBUS, MS 39705
COLUMBUS, MS 39705
COLUMBUS, MS 39705
COLUMBUS, MS 39705
COLUMBUS, MS 39705
COLUMBUS, MS 39705
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 Joon Chang's NPI number?
The NPI number for Joon Chang is 1720087257. It was assigned to this individual provider in the NPPES registry on July 18, 2005.
Where is Joon Chang located?
Joon Chang practices at 255 Baptist Blvd Ste. 401, Columbus, MS 39705. The listed phone number is (662) 244-2870.
What is Joon Chang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Joon Chang enrolled in Medicare?
Yes. Joon Chang is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Joon Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joon Chang reassigns Medicare benefits to 4 organizations: Hamilton Medical Center, Inc. (Dalton, GA), Hamilton Physician Group Inc (Dalton, GA), Lifespan Physician Group Of Massachusetts Inc (Taunton, MA) and Steward Medical Group, Inc (Watertown, MA). 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 Joon Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Joon Chang affiliated with any hospitals?
According to CMS data, Joon Chang is affiliated with Saint Anne's Hospital.
When was this NPI record last updated?
The NPPES record for Joon Chang was last updated on June 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Joon K Chang, M.D. · NPI 1720087257
Interventional Cardiology physician in Columbus, Mississippi. Individual provider, active in the CMS NPPES registry since July 18, 2005.
## Identity
- **NPI:** 1720087257 (Entity type: Individual)
- **Enumerated:** July 18, 2005
- **Primary specialty:** Internal Medicine - Interventional Cardiology · taxonomy 207RI0011X
- **State license:** 20932 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 255 BAPTIST BLVD, STE. 401, Columbus, MS 39705-2011
- **Phone:** (662) 244-2870 · **Fax:** (662) 244-2871
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Hamilton Medical Center, Inc. (NPI 1528056066, Dalton, GA); Hamilton Physician Group Inc (NPI 1235455569, Dalton, GA); Lifespan Physician Group Of Massachusetts Inc (NPI 1235957713, Taunton, MA); Steward Medical Group, Inc (NPI 1629398219, Watertown, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Medical College, class of 1988
## Record status
- **NPPES last updated:** June 12, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1720087257) · Data from the CMS NPPES public registry.