Daniel S. Chang, M.D.
NPI 1962728022ActiveIndividual· Dermatology· Yorba Linda, CA
Dermatology (M.D.) in Yorba Linda, California, trained at Johns Hopkins University School of Medicine (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $407,582 for 1,969 claims, against $89,608 paid for services in 2024. Abbvie Inc. was the largest of 14 companies reporting payments in 2025, $1,205 in all, mostly food and beverage.
Overview
| NPI | 1962728022 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 14, 2010 |
| Last updated in NPPES | Sep 10, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | A136417 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Dermatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 361 |
|---|---|
| Services billed | 2,083 across 55 procedure codes |
| Paid by Medicare | $89,608 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,969 · 2,991 30-day fills |
|---|---|
| Patients | 612 |
| Total drug cost | $407,582 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Johns Hopkins University School of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Dermatology |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliation
- Providence St. Jude Medical CenterFullerton, CA
Industry payments (Open Payments)
- 2025$1,205 · 60 payments from 14 companies
- 2024$1,014 · 50 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $436.90 | 20 |
| Janssen Biotech, Inc. | $185.51 | 9 |
| Galderma Laboratories, L.P. | $173.33 | 14 |
| Incyte Corporation | $81.03 | 3 |
| Sun Pharmaceutical Industries Inc. | $71.73 | 3 |
What the 2025 payments were for
- Food and Beverage$1,205 · 60 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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