Total Payments
$568,841
2024 Payments
$71,626
Companies
12
Transactions
861
Medicare Patients
765
Medicare Billing
$36,935
Payment Breakdown by Category
Other$405,805 (71.3%)
Consulting$74,459 (13.1%)
Travel$67,729 (11.9%)
Food & Beverage$18,567 (3.3%)
Education$2,282 (0.4%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $302,378 | 101 | 53.2% |
| Honoraria | $103,427 | 45 | 18.2% |
| Consulting Fee | $74,459 | 18 | 13.1% |
| Travel and Lodging | $67,729 | 370 | 11.9% |
| Food and Beverage | $18,567 | 264 | 3.3% |
| Education | $2,282 | 63 | 0.4% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Alexion Pharmaceuticals, Inc. | $513,246 | 787 | $0 (2024) |
| Apellis Pharmaceuticals, Inc. | $19,553 | 21 | $0 (2024) |
| Novartis Pharmaceuticals Corporation | $14,606 | 15 | $0 (2024) |
| GlaxoSmithKline, LLC. | $14,604 | 23 | $0 (2023) |
| Otsuka Pharmaceutical Development & Commercialization, Inc. | $2,905 | 2 | $0 (2024) |
| Amicus Therapeutics, Inc. | $2,621 | 2 | $0 (2024) |
| Mallinckrodt Hospital Products Inc. | $393.53 | 3 | $0 (2024) |
| Amgen Inc. | $293.82 | 3 | $0 (2024) |
| Aurinia Pharma U.S., Inc. | $235.64 | 2 | $0 (2023) |
| Travere Therapeutics, Inc. | $149.66 | 1 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $71,626 | 77 | Alexion Pharmaceuticals, Inc. ($45,665) |
| 2023 | $72,704 | 79 | Alexion Pharmaceuticals, Inc. ($60,514) |
| 2022 | $85,561 | 92 | Alexion Pharmaceuticals, Inc. ($81,016) |
| 2021 | $51,088 | 70 | Alexion Pharmaceuticals, Inc. ($49,248) |
| 2020 | $34,850 | 39 | Alexion Pharmaceuticals, Inc. ($34,850) |
| 2019 | $117,940 | 207 | Alexion Pharmaceuticals, Inc. ($106,881) |
| 2018 | $120,086 | 209 | Alexion Pharmaceuticals, Inc. ($120,086) |
| 2017 | $14,985 | 88 | Alexion Pharmaceuticals, Inc. ($14,985) |
All Payment Transactions
861 individual payment records from CMS Open Payments — Page 1 of 35
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/12/2024 | Travere Therapeutics, Inc. | — | Food and Beverage | In-kind items and services | $149.66 | General |
| 12/11/2024 | Apellis Pharmaceuticals, Inc. | Empaveli (Drug) | Honoraria | Cash or cash equivalent | $3,432.00 | General |
| Category: Hematology | ||||||
| 12/03/2024 | Amgen Inc. | TAVNEOS (Drug) | Food and Beverage | In-kind items and services | $134.89 | General |
| Category: Inflammation | ||||||
| 12/02/2024 | Novartis Pharmaceuticals Corporation | — | Food and Beverage | In-kind items and services | $132.47 | General |
| 11/08/2024 | Apellis Pharmaceuticals, Inc. | — | Consulting Fee | Cash or cash equivalent | $7,722.00 | General |
| 11/08/2024 | Apellis Pharmaceuticals, Inc. | — | Travel and Lodging | In-kind items and services | $739.00 | General |
| 11/08/2024 | Apellis Pharmaceuticals, Inc. | — | Food and Beverage | In-kind items and services | $29.30 | General |
| 11/05/2024 | Otsuka Pharmaceutical Development & Commercialization, Inc. | — | Consulting Fee | Cash or cash equivalent | $2,900.00 | General |
| 10/30/2024 | Novartis Pharmaceuticals Corporation | Fabhalta (Drug) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $700.00 | General |
| Category: Immunology | ||||||
| 10/29/2024 | Novartis Pharmaceuticals Corporation | Fabhalta (Drug) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $700.00 | General |
| Category: Immunology | ||||||
| 10/29/2024 | Amgen Inc. | TAVNEOS (Drug) | Food and Beverage | In-kind items and services | $107.74 | General |
| Category: Inflammation | ||||||
| 10/23/2024 | Alexion Pharmaceuticals, Inc. | SOLIRIS (Biological) | Education | In-kind items and services | $49.99 | General |
| Category: Rare Disease | ||||||
| 10/09/2024 | Alexion Pharmaceuticals, Inc. | — | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $5,520.00 | General |
| 10/09/2024 | Alexion Pharmaceuticals, Inc. | — | Travel and Lodging | In-kind items and services | $358.26 | General |
| 10/09/2024 | Alexion Pharmaceuticals, Inc. | — | Travel and Lodging | In-kind items and services | $268.54 | General |
| 10/09/2024 | Alexion Pharmaceuticals, Inc. | — | Food and Beverage | In-kind items and services | $111.33 | General |
| 10/09/2024 | Alexion Pharmaceuticals, Inc. | — | Travel and Lodging | Cash or cash equivalent | $70.11 | General |
| 10/09/2024 | Alexion Pharmaceuticals, Inc. | — | Travel and Lodging | Cash or cash equivalent | $63.54 | General |
| 10/09/2024 | Alexion Pharmaceuticals, Inc. | — | Travel and Lodging | Cash or cash equivalent | $52.68 | General |
| 10/09/2024 | Alexion Pharmaceuticals, Inc. | — | Travel and Lodging | Cash or cash equivalent | $4.00 | General |
| 10/02/2024 | Novartis Pharmaceuticals Corporation | — | Food and Beverage | In-kind items and services | $25.05 | General |
| 09/11/2024 | Alexion Pharmaceuticals, Inc. | — | Travel and Lodging | Cash or cash equivalent | $52.00 | General |
| 09/11/2024 | Alexion Pharmaceuticals, Inc. | — | Travel and Lodging | Cash or cash equivalent | $33.50 | General |
| 09/11/2024 | Alexion Pharmaceuticals, Inc. | — | Food and Beverage | Cash or cash equivalent | $27.04 | General |
| 09/10/2024 | Alexion Pharmaceuticals, Inc. | — | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $5,520.00 | General |
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 6 | 244 | 475 | $98,821 | $10,959 |
| 2022 | 5 | 182 | 359 | $70,752 | $8,392 |
| 2021 | 5 | 199 | 421 | $81,885 | $9,988 |
| 2020 | 5 | 140 | 305 | $57,367 | $7,597 |
Total Patients
765
Total Services
1,560
Medicare Billing
$36,935
Procedure Codes
21
All Medicare Procedures & Services
21 procedure records from CMS Medicare Utilization
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 88350 | Antibody evaluation, each additional single antibody stain procedure | Facility | 2023 | 34 | 178 | $36,046 | $4,174 | 11.6% |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | Facility | 2023 | 67 | 80 | $22,368 | $2,367 | 10.6% |
| 88346 | Antibody evaluation, initial single antibody stain procedure | Facility | 2023 | 52 | 56 | $15,128 | $1,623 | 10.7% |
| 88313 | Special stained specimen slides to examine tissue including interpretation and report | Facility | 2023 | 61 | 130 | $11,496 | $1,270 | 11.0% |
| 88348 | Electron microscopy for diagnosis | Facility | 2023 | 19 | 19 | $10,607 | $1,186 | 11.2% |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | Facility | 2023 | 11 | 12 | $3,176 | $338.04 | 10.6% |
| 88350 | Antibody evaluation, each additional single antibody stain procedure | Facility | 2022 | 21 | 129 | $25,103 | $3,113 | 12.4% |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | Facility | 2022 | 52 | 58 | $15,700 | $1,795 | 11.4% |
| 88346 | Antibody evaluation, initial single antibody stain procedure | Facility | 2022 | 40 | 43 | $11,238 | $1,281 | 11.4% |
| 88313 | Special stained specimen slides to examine tissue including interpretation and report | Facility | 2022 | 52 | 112 | $9,588 | $1,141 | 11.9% |
| 88348 | Electron microscopy for diagnosis | Facility | 2022 | 17 | 17 | $9,123 | $1,061 | 11.6% |
| 88350 | Antibody evaluation, each additional single antibody stain procedure | Facility | 2021 | 32 | 192 | $35,846 | $4,538 | 12.7% |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | Facility | 2021 | 51 | 58 | $15,070 | $1,786 | 11.8% |
| 88346 | Antibody evaluation, initial single antibody stain procedure | Facility | 2021 | 47 | 51 | $12,806 | $1,515 | 11.8% |
| 88348 | Electron microscopy for diagnosis | Facility | 2021 | 18 | 19 | $9,832 | $1,124 | 11.4% |
| 88313 | Special stained specimen slides to examine tissue including interpretation and report | Facility | 2021 | 51 | 101 | $8,331 | $1,026 | 12.3% |
| 88350 | Antibody evaluation | Facility | 2020 | 22 | 145 | $26,162 | $3,655 | 14.0% |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | Facility | 2020 | 35 | 39 | $9,745 | $1,241 | 12.7% |
| 88346 | Antibody evaluation | Facility | 2020 | 32 | 32 | $7,719 | $996.89 | 12.9% |
| 88348 | Electron microscopy for diagnosis | Facility | 2020 | 16 | 16 | $7,948 | $948.18 | 11.9% |
| 88313 | Special stained specimen slides to examine tissue including interpretation and report | Facility | 2020 | 35 | 73 | $5,793 | $755.74 | 13.0% |
About Dr. Anthony Chang, MD
Dr. Anthony Chang, MD is a Anatomic Pathology & Clinical Pathology healthcare provider based in Burr Ridge, Illinois. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 01/17/2007. The National Provider Identifier (NPI) number assigned to this provider is 1407908825.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Anthony Chang, MD has received a total of $568,841 in payments from pharmaceutical and medical device companies, with $71,626 received in 2024. These payments were reported across 861 transactions from 12 companies. The most common payment nature is "Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program" ($302,378).
As a Medicare-enrolled provider, Chang has provided services to 765 Medicare beneficiaries, totaling 1,560 services with total Medicare billing of $36,935. Data is available for 4 years (2020–2023), covering 21 distinct procedure/service records.
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Practice Information
- Specialty Anatomic Pathology & Clinical Pathology
- Location Burr Ridge, IL
- Active Since 01/17/2007
- Last Updated 07/08/2007
- Taxonomy Code 207ZP0102X
- Entity Type Individual
- NPI Number 1407908825
Products in Payments
- SOLIRIS (Drug) $93,442
- ULTOMIRIS (Biological) $21,033
- Ultomiris (Drug) $15,155
- SOLIRIS (Biological) $9,556
- BENLYSTA (Biological) $7,066
- Empaveli (Drug) $3,432
- Fabhalta (Drug) $1,400
- ACTHAR (Biological) $393.53
- TAVNEOS (Drug) $242.63
- LUPKYNIS (Drug) $235.64
- PURIFIED CORTROPHIN GEL (Drug) $120.69
- JESDUVROQ (Drug) $119.49
- TECENTRIQ (Biological) $113.28
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Data Sources
Provider data from NPPES. Payment data from CMS Open Payments. Medicare data from CMS Medicare Provider Utilization. All data is public and updated periodically.