MATTHEW CHANG
NPI 1558940254
Ophthalmology in Loma Linda, CA
About Matthew Chang NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW CHANG (NPI 1558940254) is an individual ophthalmology provider in Loma Linda, California, licensed in California (A181703) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, maintains a secondary practice location in Tamuning, and is a graduate of Loma Linda University School Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses 2
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 and accepts Medicare assignment
Matthew Chang 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
3Medicare enrollment records show Matthew Chang reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Loma Linda, CA 92354
- Reassigned Medicare billing, California enrollment
- 2,584 clinicians in this Medicare group
Tamuning, GU 96913
- Reassigned Medicare billing, Guam enrollment
- 105 clinicians in this Medicare group
Tamuning, GU 96913
- Reassigned Medicare billing, Guam enrollment
- 33 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92354 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOMA LINDA, CA 92354
LOMA LINDA, CA 92354
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 Matthew Chang's NPI number?
The NPI number for Matthew Chang is 1558940254. It was assigned to this individual provider in the NPPES registry on April 8, 2021.
Where is Matthew Chang located?
Matthew Chang practices at 11370 Anderson St # 1800, Loma Linda, CA 92354. The listed phone number is (909) 558-2154.
What is Matthew Chang's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Matthew Chang enrolled in Medicare?
Yes. Matthew 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 Matthew Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Chang reassigns Medicare benefits to 3 organizations: Faculty Physicians And Surgeons Of Llusm (Loma Linda, CA), General Conference Corp Of Sda (Tamuning, GU) and Guam Seventh-Day Adventist Clinic Inc. (Tamuning, GU). 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 Matthew 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 Matthew Chang was last updated on February 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Matthew Chang · NPI 1558940254
Ophthalmology physician in Loma Linda, California. Individual provider, active in the CMS NPPES registry since April 8, 2021.
## Identity
- **NPI:** 1558940254 (Entity type: Individual)
- **Enumerated:** April 8, 2021
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** A181703 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 11370 ANDERSON ST # 1800, Loma Linda, CA 92354-3450
- **Phone:** (909) 558-2154
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Faculty Physicians And Surgeons Of Llusm (NPI 1235189275, Loma Linda, CA); General Conference Corp Of Sda (NPI 1275586877, Tamuning, GU); Guam Seventh-Day Adventist Clinic Inc. (NPI 1003762089, Tamuning, GU) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loma Linda University School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** February 4, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1558940254) · Data from the CMS NPPES public registry.