MICHAEL CHI-MING CHANG MD
NPI 1477538510
Surgery - Surgical Critical Care in Mobile, AL

Active since December 13, 2005PECOS Enrolled
2451 UNIVERSITY HOSPITAL DRIVE, MASTIN 101, MOBILE, AL 36617(251) 445-8282(251) 445-8481 Get Directions Write a Review

NPPES record last updated: January 14, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1477538510
Entity TypeIndividualMale
Primary Taxonomy2086S0102X
Provider Legal NameMICHAEL CHI-MING CHANGCredential: MD
Location Address2451 UNIVERSITY HOSPITAL DRIVE, MASTIN 101Mobile, AL 36617-2300
Mailing AddressPo Box 40480Mobile, AL 36640-0480 · (251) 434-3626 · Fax (251) 445-2464
Fax(251) 445-8481
Sole ProprietorNo
Enumeration DateDecember 13, 2005
Last NPPES UpdateJanuary 14, 2021
NPPES CertifiedJanuary 14, 2021
✔ NPI 1477538510 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySurgery · Surgical Critical CareAllopathic & Osteopathic Physicians
Taxonomy Code2086S0102X
Licenses✔ Licensed in AL · MD.14081✔ Licensed in NC · 9400747
Definition
A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedSurgeryTaxonomy 208600000X · License 9400747 (NC)
Also ListedSurgery · Trauma SurgeryTaxonomy 2086S0127X · License 9400747 (NC)
2451 UNIVERSITY HOSPITAL DRIVE, MASTIN 101, Mobile, AL 36617

Other Identifiers 8

Other22049NC · Blue Cross
Other4602529NC · Aetna
Medicaid221986000WV
Other6590NC · Partners
Other51284NC · Medcost
Medicaid8922049NC
Medicaid7302185VA
MedicaidQ0074ESC

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare 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.

Clinical Medical Laboratory
2451 UNIVERSITY HOSPITAL DR
Mobile, AL 36617
  • Reassigned Medicare billing, Alabama enrollment
  • 394 clinicians in this Medicare group
Emergency Medicine
2451 UNIVERSITY HOSPITAL DR
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.

Surgery
2451 UNIVERSITY HOSPITAL DRIVE, MASTIN 101
MOBILE, AL 36617
Surgery
2451 UNIVERSITY HOSPITAL DRIVE, MASTIN 101
MOBILE, AL 36617
Nurse Practitioner (Gerontology)
2451 UNIVERSITY HOSPITAL DRIVE, MASTIN 101
MOBILE, AL 36617
Surgery (Surgical Critical Care)
2451 UNIVERSITY HOSPITAL DRIVE, MASTIN 101
MOBILE, AL 36617
Nurse Practitioner (Adult Health)
2451 UNIVERSITY HOSPITAL DRIVE, MASTIN 101
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.