HENRY CHANG DO
NPI 1215674551
Hospitalist in Santa Monica, CA
About Henry Chang Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HENRY CHANG DO (NPI 1215674551) is an individual hospitalist provider in Santa Monica, California, licensed in California (20A21989) and active in the NPI registry since May 2022. He is enrolled in Medicare PECOS, maintains a secondary practice location in Moreno Valley, and is a graduate of Des Moines University Of Osteopathic Medicine And Health Sciences (2022).
NPPES Registry Identity
Specialties & Licenses 3
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
Henry Chang Do 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 Reassignment
Medicare enrollment records show Henry Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Santa Monica, CA 90404
- Reassigned Medicare billing, California enrollment
- 461 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 90404 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.
SANTA MONICA, CA 90404
SANTA MONICA, CA 90404
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 1215674551. It was assigned to this individual provider in the NPPES registry on May 18, 2022.
Where is Henry Chang located?
Henry Chang practices at 2121 Santa Monica Blvd, Santa Monica, CA 90404. The listed phone number is (310) 453-1324.
What is Henry Chang's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
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 organization bills Medicare for Henry Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Henry Chang reassigns Medicare benefits to Providence Saint Johns Medical Foundation (Santa Monica, CA). 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 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 October 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Henry Chang, DO · NPI 1215674551
Hospitalist physician in Santa Monica, California. Individual provider, active in the CMS NPPES registry since May 18, 2022.
## Identity
- **NPI:** 1215674551 (Entity type: Individual)
- **Enumerated:** May 18, 2022
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 20A21989 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2121 SANTA MONICA BLVD, Santa Monica, CA 90404-2303
- **Phone:** (310) 453-1324 · **Fax:** (310) 212-5921
## 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:** Providence Saint Johns Medical Foundation (NPI 1770093734, Santa Monica, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Des Moines University Of Osteopathic Medicine And Health Sciences, class of 2022
## Record status
- **NPPES last updated:** October 22, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1215674551) · Data from the CMS NPPES public registry.