Attica C. Chang, M.D.
NPI 1225099781ActiveIndividual· Specialist· Boca Raton, FL
Specialist (M.D.) in Boca Raton, Florida, trained at Tufts University School of Medicine (class of 1996). 1,051 Medicare patients in 2024, $936,870 paid; nearly all of their 707 Part D prescriptions were generic (98%). Sun Pharmaceutical Industries Inc. was the largest of 13 companies reporting payments in 2025, $1,099 in all, mostly food and beverage.
Overview
| NPI | 1225099781 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 31, 2006 |
| Last updated in NPPES | Mar 20, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | ME78975 | FL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Dermatology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,051 |
|---|---|
| Services billed | 12,970 across 77 procedure codes |
| Paid by Medicare | $936,870 |
Part D prescriptions in 2024
| Prescriptions (claims) | 707 · 788 30-day fills |
|---|---|
| Patients | 356 |
| Total drug cost | $10,705 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Dermatology |
| Secondary specialties | Micrographic Dermatologic Surgery (Mds) |
Hospital affiliation
- Boca Raton Regional HospitalBoca Raton, FL
Other facilities
- All County Health Care, IncHome health agency · Lauderdale Lakes, FL
Industry payments (Open Payments)
- 2025$1,099 · 53 payments from 13 companies
- 2024$1,409 · 64 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sun Pharmaceutical Industries Inc. | $226.48 | 9 |
| Galderma Laboratories, L.P. | $155.63 | 12 |
| Leo Pharma Inc. | $154.53 | 3 |
| Janssen Biotech, Inc. | $144.55 | 9 |
| Abbvie Inc. | $101.36 | 5 |
What the 2025 payments were for
- Food and Beverage$1,099 · 53 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 204 Specialist providers in Boca Raton · All Specialist providers in Florida