HENRY CHANG MD
NPI 1023162765
Anesthesiology in Alhambra, CA
About Henry Chang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HENRY CHANG MD (NPI 1023162765) is an individual anesthesiology provider in Alhambra, California, licensed in California (A35969) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1969).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Henry Chang Md 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
2Medicare enrollment records show Henry Chang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
City Of Industry, CA 91748
- Reassigned Medicare billing, California enrollment
- 7 clinicians in this Medicare group
City Of Industry, CA 91748
- Reassigned Medicare billing, California enrollment
- 9 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 7
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.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Henry Chang's NPI number?
The NPI number for Henry Chang is 1023162765. It was assigned to this individual provider in the NPPES registry on January 22, 2007.
Where is Henry Chang located?
Henry Chang practices at 707 S Garfield Ave Ste 101, Alhambra, CA 91801. The listed phone number is (562) 407-2080.
What is Henry Chang's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Henry Chang enrolled in Medicare?
Yes. Henry 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 Henry Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Henry Chang reassigns Medicare benefits to 2 organizations: Scosi Orthopedics Inc (City Of Industry, CA) and Surgical Anesthesia Medical Associates Inc (City Of Industry, CA). 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 Henry 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 Henry Chang was last updated on May 19, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Henry Chang, MD · NPI 1023162765
Anesthesiology physician in Alhambra, California. Individual provider, active in the CMS NPPES registry since January 22, 2007.
## Identity
- **NPI:** 1023162765 (Entity type: Individual)
- **Enumerated:** January 22, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A35969 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 707 S GARFIELD AVE STE 101, Alhambra, CA 91801-5860
- **Phone:** (562) 407-2080
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Scosi Orthopedics Inc (NPI 1104182104, City Of Industry, CA); Surgical Anesthesia Medical Associates Inc (NPI 1104923358, City Of Industry, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1969
## Record status
- **NPPES last updated:** May 19, 2008
- **Other identifiers:** Medicare ID-Type Unspecified A35969 (CA); Medicare PIN WA35969A (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1023162765) · Data from the CMS NPPES public registry.