RYAN CHANG, DPM, INC.
NPI 1194401422
Podiatrist - Foot & Ankle Surgery in Irvine, CA
About Ryan Chang, Dpm, Inc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RYAN CHANG, DPM, INC. (NPI 1194401422) is a healthcare organization registered as a foot & ankle surgery in Irvine, California and active in the NPI registry since June 2023. The organization lists Won Ho Chang, Ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ryan Chang, Dpm, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Ryan Chang, DPM, Inc., which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Ryan Chang, Dpm, Inc.'s NPI number?
The NPI number for Ryan Chang, Dpm, Inc. is 1194401422. It was assigned to this organization in the NPPES registry on June 22, 2023. The provider is also known as T and R Podiatry.
Where is Ryan Chang, Dpm, Inc. located?
Ryan Chang, Dpm, Inc. is located at 62 Corporate Park Ste 235, Irvine, CA 92606. The listed phone number is (949) 484-4405.
What is Ryan Chang, Dpm, Inc.'s specialty?
The primary specialty registered for this NPI is Podiatrist, specializing in Foot & Ankle Surgery, with taxonomy code 213ES0103X.
Is Ryan Chang, Dpm, Inc. enrolled in Medicare?
Yes. Ryan Chang, Dpm, Inc. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Ryan Chang, Dpm, Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Podiatry) reassigns their Medicare billing to Ryan Chang, Dpm, Inc.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Ryan Chang, Dpm, Inc. was last updated on September 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Ryan Chang, Dpm, Inc. · NPI 1194401422
Foot & Ankle Surgery organization in Irvine, California. Organization record, active in the CMS NPPES registry since June 22, 2023.
## Identity
- **NPI:** 1194401422 (Entity type: Organization)
- **Enumerated:** June 22, 2023
- **Primary specialty:** Podiatrist - Foot & Ankle Surgery · taxonomy 213ES0103X
- **Also known as:** T and R Podiatry (Other Name)
- **Organization subpart:** No
- **Authorized official:** Won Chang, CEO
## Practice location
- **Address:** 62 CORPORATE PARK STE 235, Irvine, CA 92606-3123
- **Phone:** (949) 484-4405 · **Fax:** (949) 368-2230
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Podiatry) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 2, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1194401422) · Data from the CMS NPPES public registry.