MICHAEL CHI-MING CHANG MD
NPI 1477538510
Surgery - Surgical Critical Care in Mobile, AL
About Michael Chi-ming Chang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL CHI-MING CHANG MD (NPI 1477538510) is an individual surgical critical care provider in Mobile, Alabama, licensed in Alabama (MD.14081) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 8
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)
Michael Chi-ming Chang Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Michael Chang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mobile, AL 36617
- Reassigned Medicare billing, Alabama enrollment
- 394 clinicians in this Medicare group
Mobile, AL 36617
- Reassigned Medicare billing, Alabama enrollment
- 857 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MOBILE, AL 36617
MOBILE, AL 36617
MOBILE, AL 36617
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 Michael Chang's NPI number?
The NPI number for Michael Chang is 1477538510. It was assigned to this individual provider in the NPPES registry on December 13, 2005.
Where is Michael Chang located?
Michael Chang practices at 2451 University Hospital Drive, Mastin 101, Mobile, AL 36617. The listed phone number is (251) 445-8282.
What is Michael Chang's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.
Is Michael Chang enrolled in Medicare?
Yes. Michael Chang is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Michael Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Chang reassigns Medicare benefits to 2 organizations: University Of South Alabama (Mobile, AL) and Usa Health Physician Billing Services LLC (Mobile, AL). 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 Michael Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Chang accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 2 other insurers list Michael Chang 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.
When was this NPI record last updated?
The NPPES record for Michael Chang was last updated on January 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.