Won Chang, DPM
NPI 1073012720 · Foot & Ankle Surgery Podiatrist · Irvine, CA
Enrolled with Medicare as Practitioner - Podiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Won Chang, DPM is a Foot & Ankle Surgery Podiatrist provider in Irvine, CA (NPI 1073012720).
Provider details
- NPI number
- 1073012720
- Entity type
- Individual
- Primary specialty
- Foot & Ankle Surgery PodiatristPodiatric Medicine & Surgery Service Providers
- Credential
- DPM
- Sex
- Male
- Sole proprietor
- Yes
- License
- P84589 (NY)
Specialties & taxonomies
Podiatric Medicine & Surgery Service Providers
Podiatric Medicine & Surgery Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
394 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 118 | $98 |
| X-Ray of Foot, Minimum of 3 Views73630 | 71 | $39 |
| Removal of Fingernails Or Toenails, 6 Or More Nails11721 | 56 | $49 |
| Removal of Noncancer Thickened Skin Growth, More Than 4 Growths11057 | 52 | $93 |
| X-Ray of Ankle, Minimum of 3 Views73610 | 51 | $42 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 46 | $119 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 205 | 95 |
| Ciclopirox | 91 | 40 |
| Meloxicam | 91 | 45 |
| Ammonium Lactate | 61 | 38 |
| Gabapentin | 53 | 26 |
| Pregabalin | 34 | 11 |
| Erythromycin Base in Ethanolbrand: Erythromycin | 29 | 22 |
| Methylprednisolone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$453 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-02-08
- Last updated
- 2023-12-13
- Certified
- 2023-12-13
Frequently asked questions
- What is Won Chang's NPI number?
- Won Chang's National Provider Identifier (NPI) is 1073012720, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Won Chang's specialty?
- Won Chang is listed in the NPPES registry with a primary specialty of Foot & Ankle Surgery Podiatrist (Podiatric Medicine & Surgery Service Providers).
- Where is Won Chang located?
- Won Chang's practice location on file with NPPES is 62 Corporate Park Ste 235, Irvine, CA 92606-3123.
- What is Won Chang's phone number?
- The practice phone number listed in the NPPES registry for Won Chang is (949) 484-4405.
- Does Won Chang accept Medicare?
- Won Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Won Chang's NPI active?
- Yes — Won Chang's NPI (1073012720) is active in the NPPES registry as of the last update on 2023-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.