DR. ALAN L CHANG MD
NPI 1235304676
Emergency Medicine in Aiea, HI
About Dr. Alan L Chang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALAN L CHANG MD (NPI 1235304676) is an individual emergency medicine provider in Aiea, Hawaii, licensed in Massachusetts (228935) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Alan L Chang Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Alan Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Honolulu, HI 96813
- Reassigned Medicare billing, Hawaii enrollment
- 664 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 96701 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.
AIEA, HI 96701
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 Alan Chang's NPI number?
The NPI number for Alan Chang is 1235304676. It was assigned to this individual provider in the NPPES registry on April 28, 2008.
Where is Alan Chang located?
Alan Chang practices at 98-1079 Moanalua Rd Emergency Department, Pali Momi Medical Center, Aiea, HI 96701. The listed phone number is (808) 485-4300.
What is Alan Chang's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Alan Chang enrolled in Medicare?
Yes. Alan Chang is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Alan Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alan Chang reassigns Medicare benefits to Straub Clinic & Hospital (Honolulu, HI). The 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 Alan Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Alan Chang was last updated on January 14, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dr. Alan L Chang, MD · NPI 1235304676
Emergency Medicine physician in Aiea, Hawaii. Individual provider, active in the CMS NPPES registry since April 28, 2008.
## Identity
- **NPI:** 1235304676 (Entity type: Individual)
- **Enumerated:** April 28, 2008
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 228935 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 98-1079 MOANALUA RD, EMERGENCY DEPARTMENT, PALI MOMI MEDICAL CENTER, Aiea, HI 96701-4713
- **Phone:** (808) 485-4300
## 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:** Straub Clinic & Hospital (NPI 1457306508, Honolulu, HI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 14, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1235304676) · Data from the CMS NPPES public registry.