Dr. Attica Chang, M.D.
What this data tells you about Dr. Chang
Dr. Attica Chang is an optician in Boca Raton, FL, with 20 years in practice. Based on federal Medicare data, Dr. Chang performed 12,790 Medicare services across 5,592 unique beneficiaries.
Between the years covered by Open Payments, Dr. Chang received a total of $6,591 from 34 pharmaceutical and/or device companies across 305 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in optician. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Chang is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Destruction of precancerous skin growths, 2-14 | 3,853 | $5 | $10 |
| Tissue pathology examination, moderate complexity | 2,088 | $56 | $128 |
| Office visit, established patient (20-29 min) | 1,338 | $54 | $80 |
| Skin biopsy, tangential | 1,128 | $67 | $130 |
| Destruction of precancerous skin growth, 1 | 951 | $35 | $106 |
| Biopsy of related skin growth, each additional growth | 822 | $40 | $70 |
| Destruction of skin growths (warts/lesions), 1-14 | 446 | $86 | $143 |
| Destruction of precancer skin growth, 15 or more growths | 372 | $137 | $233 |
| New patient office visit (30-44 min) | 182 | $76 | $140 |
| Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks | 154 | $343 | $533 |
| Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks | 143 | $422 | $900 |
| Steroid injection (triamcinolone) | 132 | $1 | $2 |
| Removal of noncancer skin growth of body, arms, or legs, 1.1-2.0 cm | 131 | $124 | $216 |
| Tissue staining for diagnosis, additional | 94 | $22 | $28 |
| Destruction of skin growth, 15 or more growths | 76 | $100 | $172 |
| Biopsy of ear | 74 | $48 | $138 |
| Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm | 73 | $136 | $235 |
| Injection into skin growth, 1-7 growths | 72 | $34 | $73 |
| Destruction of cancer skin growth of trunk, arms, or legs, 2.1-3.0 cm | 65 | $150 | $256 |
| Special stained specimen slides to identify organisms including interpretation and report | 61 | $89 | $128 |
| Tissue staining for diagnosis, initial | 51 | $28 | $55 |
| Repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet by transferring skin, 10.0 sq cm or less | 40 | $639 | $1,038 |
| Removal of noncancer skin growth of body, arms, or legs, 0.6-1.0 cm | 33 | $114 | $193 |
| Aminolevulinic acid hcl for topical administration, 20%, single unit dosage form (354 mg) | 32 | $307 | $506 |
| Complicated or multiple drainage of skin abscess | 30 | $174 | $282 |
| Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm | 29 | $137 | $250 |
| Application of light with debridement to destroy precancer skin growth | 28 | $205 | $332 |
| Punch biopsy, first skin growth | 26 | $95 | $164 |
| Repair of wound of scalp, arms, or legs by transferring skin, 10.1-30.0 sq cm | 26 | $723 | $1,185 |
| Repair of wound of scalp, arms, or legs by transferring skin, 10.0 sq cm or less | 24 | $574 | $943 |
| Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks | 22 | $382 | $819 |
| Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 2.1-3.0 cm | 20 | $163 | $278 |
| Removal and microscopic exam of growth of trunk, arms, or legs, each additional stage, 1-5 tissue blocks | 20 | $328 | $495 |
| Repair of wound of trunk by transferring skin, 10.0 sq cm or less | 19 | $533 | $842 |
| Destruction of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm | 18 | $143 | $240 |
| Repair of wound of trunk by transferring skin, 10.1-30.0 sq cm | 17 | $696 | $1,091 |
| Destruction of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm | 17 | $162 | $275 |
| Drug injection, under skin or into muscle | 17 | $11 | $27 |
| Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | 16 | $43 | $71 |
| Simple or single drainage of skin abscess | 14 | $96 | $161 |
| Partial thickness self skin graft to face, scalp, eyelids, mouth, neck, ears, around eyes, genitals, hands, feet, fingers, or toes, 100.0 sq cm or 1% body area for infants and children, or less | 12 | $724 | $1,294 |
| Biopsy of lip | 12 | $90 | $174 |
| Biopsy of eyelid | 12 | $137 | $284 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
Associated products mentioned in payments ›
Most payments (96%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
2.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Chang is a mixed practice specialist, with above-average Medicare volume (top 6% in FL), and high industry engagement (low-engagement, top 19%), with 20 years of practice experience.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
Is Dr. Chang experienced with destruction of precancerous skin growths, 2-14?
Does Dr. Chang receive payments from pharmaceutical companies?
How do Dr. Chang's costs compare to other opticians in Boca Raton?
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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