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DR. WON HO CHANG DPM
NPI 1073012720
Podiatrist - Foot & Ankle Surgery in Irvine, CA

Active since February 08, 2018PECOS EnrolledAccepts Medicare Assignment
62 CORPORATE PARK STE 235, IRVINE, CA 92606(949) 484-4405(949) 368-2230 Get Directions Write a Review

NPPES record last updated: December 13, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 13, 2023, Jun 9, 2023, Mar 17, 2018 (3 updates tracked since 2018).

About Dr. Won Ho Chang Dpm NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WON HO CHANG DPM (NPI 1073012720) is an individual foot & ankle surgery provider in Irvine, California, licensed in California (E5908) and active in the NPI registry since February 2018. He is enrolled in Medicare PECOS and is a graduate of New York College Of Podiatric Medicine (2012).

NPPES Registry Identity

NPI1073012720
Entity TypeIndividualMale
Primary Taxonomy213ES0103X
Provider Legal NameDR. WON HO CHANGCredential: DPM
Location Address62 CORPORATE PARK STE 235Irvine, CA 92606-3123
Mailing Address46 SnapdragonIrvine, CA 92604-2844 · (949) 484-4405 · Fax (949) 368-2230
Phone(949) 484-4405
Fax(949) 368-2230
Sole ProprietorYes
Medical School CMSNew York College Of Podiatric MedicineGraduated 2012
Enumeration DateFebruary 8, 2018
Last NPPES UpdateDecember 13, 20233 updates tracked since enumeration
NPPES CertifiedDecember 13, 2023
✔ NPI 1073012720 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPodiatrist · Foot & Ankle SurgeryPodiatric Medicine & Surgery Service Providers
Taxonomy Code213ES0103X
License✔ Licensed in CA · E5908
Also ListedPodiatristTaxonomy 213E00000X · License P84589 (NY)
62 CORPORATE PARK STE 235, Irvine, CA 92606
Open in Google Maps ↗

Other Names 1

Professional Name (2)Dr. Ryan Chang Dpm

Other Identifiers 1

OtherC31877880004751NJ · Podiatry

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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

Dr. Won Ho Chang Dpm 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.

PECOS PAC ID3779816715
PECOS Enrollment IDI20240814004641
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Won Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ryan Chang, DPM, Inc.
Same address
Foot & Ankle Surgery
62 CORPORATE PARK STE 235
Irvine, CA 92606
  • Reassigned Medicare billing, California enrollment
NPI 1194401422 (949) 484-4405

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 6

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
118 services45 patients
X-ray of foot, minimum of 3 views 73630
An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.
71 services31 patients
Removal of fingernails or toenails, 6 or more nails 11721
This procedure involves the removal of six or more fingernails or toenails. It's typically done to treat severe nail infections, persistent pain, or abnormal nail growth. Local anesthesia is used to minimize discomfort. Healing usually takes a few weeks.
56 services32 patients
Removal of noncancer thickened skin growth, more than 4 growths 11057
This procedure involves the removal of more than four noncancerous, thickened skin growths. It's a simple process where a healthcare professional uses a specialized tool to carefully remove these growths, promoting healthier skin.
52 services27 patients
X-ray of ankle, minimum of 3 views 73610
An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.
51 services27 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
46 services46 patients

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RYAN CHANG, DPM, INC.
Podiatrist (Foot & Ankle Surgery)
62 CORPORATE PARK STE 235
IRVINE, CA 92606
Orange County (949) 484-4405
RYAN CHANG, DPM, INC.
Podiatrist (Sports Medicine)
62 CORPORATE PARK STE 235
IRVINE, CA 92606
Orange County (949) 484-4405

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 Won Chang's NPI number?

The NPI number for Won Chang is 1073012720. It was assigned to this individual provider in the NPPES registry on February 8, 2018. The provider is also known as Dr. Ryan Chang Dpm.

Where is Won Chang located?

Won Chang practices at 62 Corporate Park Ste 235, Irvine, CA 92606. The listed phone number is (949) 484-4405.

What is Won Chang's specialty?

The primary specialty registered for this NPI is Podiatrist, specializing in Foot & Ankle Surgery, with taxonomy code 213ES0103X.

Is Won Chang enrolled in Medicare?

Yes. Won 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 Won Chang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Won Chang reassigns Medicare benefits to Ryan Chang, DPM, Inc. (Irvine, 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 Won 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 Won Chang was last updated on December 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.