Payment Breakdown by Category
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Consulting Fee | $21,597 | 4 | 37.5% |
| Travel and Lodging | $18,787 | 32 | 32.6% |
| Honoraria | $8,000 | 4 | 13.9% |
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $6,850 | 4 | 11.9% |
| Food and Beverage | $2,384 | 36 | 4.1% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Siemens Medical Solutions USA, Inc. | $34,004 | 28 | $0 (2024) |
| Varian Medical Systems, Inc. | $19,186 | 20 | $0 (2019) |
| RefleXion Medical, Inc. | $1,350 | 3 | $0 (2022) |
| Allergan Inc. | $1,336 | 2 | $0 (2018) |
| Mentor Worldwide LLC | $1,080 | 17 | $0 (2024) |
| VIEWRAY TECHNOLOGIES INC | $347.03 | 6 | $0 (2022) |
| Bard Access Systems, Inc. | $133.41 | 1 | $0 (2017) |
| AXOGEN | $90.90 | 1 | $0 (2020) |
| Novocure Inc. | $53.66 | 1 | $0 (2024) |
| Mevion_Medical_Systems_Inc | $39.08 | 1 | $0 (2023) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $5,457 | 6 | Siemens Medical Solutions USA, Inc. ($5,357) |
| 2023 | $24,029 | 25 | Siemens Medical Solutions USA, Inc. ($23,494) |
| 2022 | $7,146 | 20 | Siemens Medical Solutions USA, Inc. ($5,153) |
| 2021 | $139.30 | 3 | RefleXion Medical, Inc. ($75.00) |
| 2020 | $90.90 | 1 | AXOGEN ($90.90) |
| 2019 | $97.29 | 1 | Varian Medical Systems, Inc. ($97.29) |
| 2018 | $187.07 | 3 | VIEWRAY TECHNOLOGIES INC ($101.52) |
| 2017 | $20,472 | 21 | Varian Medical Systems, Inc. ($19,088) |
All Payment Transactions
80 individual payment records from CMS Open Payments — Page 1 of 4
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 10/30/2024 | Siemens Medical Solutions USA, Inc. | TrueBeam (Device) | Consulting Fee | Cash or cash equivalent | $4,500.00 | General |
| Category: Oncology | ||||||
| 10/30/2024 | Siemens Medical Solutions USA, Inc. | TrueBeam (Device) | Travel and Lodging | Cash or cash equivalent | $734.14 | General |
| Category: Oncology | ||||||
| 10/30/2024 | Siemens Medical Solutions USA, Inc. | TrueBeam (Device) | Food and Beverage | Cash or cash equivalent | $122.48 | General |
| Category: Oncology | ||||||
| 10/21/2024 | Mentor Worldwide LLC | MENTOR MemoryGel Resterilizable Gel Sizer (Device) | Food and Beverage | In-kind items and services | $14.18 | General |
| Category: Plastic Surgery | ||||||
| 06/01/2024 | Novocure Inc. | Optune (Device) | Food and Beverage | Cash or cash equivalent | $53.66 | General |
| Category: Oncology | ||||||
| 03/08/2024 | Mentor Worldwide LLC | MENTOR MemoryGel Resterilizable Gel Sizer (Device) | Food and Beverage | In-kind items and services | $32.87 | General |
| Category: Plastic Surgery | ||||||
| 12/05/2023 | Mentor Worldwide LLC | MENTOR MemoryGel Resterilizable Gel Sizer (Device) | Food and Beverage | In-kind items and services | $10.54 | General |
| Category: Plastic Surgery | ||||||
| 10/23/2023 | Mentor Worldwide LLC | MENTOR MemoryGel Resterilizable Gel Sizer (Device) | Food and Beverage | In-kind items and services | $8.40 | General |
| Category: Plastic Surgery | ||||||
| 10/04/2023 | Siemens Medical Solutions USA, Inc. | — | Consulting Fee | Cash or cash equivalent | $5,507.36 | General |
| 10/04/2023 | Mentor Worldwide LLC | MENTOR MemoryGel Resterilizable Gel Sizer (Device) | Food and Beverage | In-kind items and services | $13.00 | General |
| Category: Plastic Surgery | ||||||
| 09/26/2023 | Mentor Worldwide LLC | MENTOR MemoryGel Resterilizable Gel Sizer (Device) | Food and Beverage | In-kind items and services | $127.96 | General |
| Category: Plastic Surgery | ||||||
| 09/23/2023 | Siemens Medical Solutions USA, Inc. | — | Travel and Lodging | In-kind items and services | $720.93 | General |
| 08/31/2023 | Siemens Medical Solutions USA, Inc. | — | Travel and Lodging | In-kind items and services | $338.76 | General |
| 08/30/2023 | Siemens Medical Solutions USA, Inc. | — | Food and Beverage | In-kind items and services | $145.65 | General |
| 08/25/2023 | Siemens Medical Solutions USA, Inc. | — | Food and Beverage | In-kind items and services | $19.06 | General |
| 08/02/2023 | Siemens Medical Solutions USA, Inc. | — | Travel and Lodging | In-kind items and services | $387.50 | General |
| 08/02/2023 | Siemens Medical Solutions USA, Inc. | — | Travel and Lodging | In-kind items and services | $384.59 | General |
| 06/27/2023 | Mentor Worldwide LLC | MENTOR MemoryGel Resterilizable Gel Sizer (Device) | Food and Beverage | In-kind items and services | $112.23 | General |
| Category: Plastic Surgery | ||||||
| 05/18/2023 | Mentor Worldwide LLC | MENTOR MemoryGel Resterilizable Gel Sizer (Device) | Food and Beverage | In-kind items and services | $103.30 | General |
| Category: Plastic Surgery | ||||||
| 05/15/2023 | Siemens Medical Solutions USA, 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 | $2,500.00 | General |
| 05/15/2023 | Siemens Medical Solutions USA, Inc. | — | Travel and Lodging | Cash or cash equivalent | $261.24 | General |
| 05/15/2023 | Siemens Medical Solutions USA, Inc. | — | Travel and Lodging | Cash or cash equivalent | $100.00 | General |
| 05/15/2023 | Siemens Medical Solutions USA, Inc. | — | Food and Beverage | Cash or cash equivalent | $41.30 | General |
| 02/25/2023 | Siemens Medical Solutions USA, Inc. | Varian Treatment (Device) | Travel and Lodging | In-kind items and services | $65.00 | General |
| Category: Oncology | ||||||
| 02/24/2023 | Siemens Medical Solutions USA, Inc. | Varian Treatment (Device) | Travel and Lodging | In-kind items and services | $380.76 | General |
| Category: Oncology | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 7 | 125 | 248 | $150,418 | $23,655 |
| 2022 | 13 | 426 | 763 | $788,055 | $77,611 |
| 2021 | 14 | 532 | 868 | $1.0M | $102,895 |
| 2020 | 17 | 821 | 1,351 | $1.6M | $138,066 |
All Medicare Procedures & Services
53 procedure records from CMS Medicare Utilization — Page 1 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 77301 | High precision radiation therapy planning | Facility | 2023 | 15 | 19 | $34,164 | $6,403 | 18.7% |
| 77427 | Radiation treatment management, 5 treatment sessions | Facility | 2023 | 22 | 39 | $35,156 | $5,887 | 16.7% |
| 77263 | Complex radiation therapy planning | Facility | 2023 | 24 | 27 | $30,807 | $3,637 | 11.8% |
| 77338 | Design and construction of radiation treatment device for high precision radiation therapy | Facility | 2023 | 15 | 19 | $20,178 | $3,434 | 17.0% |
| 77300 | Calculation of radiation therapy dose | Facility | 2023 | 18 | 86 | $14,104 | $2,207 | 15.6% |
| 77334 | Design and construction of complex radiation treatment device | Facility | 2023 | 13 | 34 | $12,580 | $1,637 | 13.0% |
| 77332 | Design and construction of simple radiation treatment device | Facility | 2023 | 18 | 24 | $3,429 | $450.53 | 13.1% |
| 77301 | High precision radiation therapy planning | Facility | 2022 | 33 | 35 | $207,084 | $13,302 | 6.4% |
| 77435 | Management of cranial lesion surgery using radiation over multiple sessions | Facility | 2022 | 21 | 22 | $158,089 | $13,021 | 8.2% |
| 77338 | Design and construction of radiation treatment device for high precision radiation therapy | Facility | 2022 | 33 | 39 | $37,119 | $8,199 | 22.1% |
| 77427 | Radiation treatment management, 5 treatment sessions | Facility | 2022 | 22 | 45 | $49,885 | $7,925 | 15.9% |
| 77263 | Complex radiation therapy planning | Facility | 2022 | 38 | 40 | $52,708 | $6,195 | 11.8% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Facility | 2022 | 67 | 105 | $45,489 | $5,558 | 12.2% |
| 77014 | Ct guidance for insertion of radiation therapy fields | Facility | 2022 | 39 | 131 | $80,749 | $5,360 | 6.6% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Facility | 2022 | 32 | 32 | $31,436 | $5,063 | 16.1% |
| 77334 | Design and construction of complex radiation treatment device | Facility | 2022 | 35 | 57 | $45,201 | $3,166 | 7.0% |
| 77300 | Calculation of radiation therapy dose | Facility | 2022 | 38 | 97 | $32,744 | $2,941 | 9.0% |
| 77293 | Obtaining respiratory data needed to develop the optimal radiation treatment | Facility | 2022 | 25 | 27 | $19,804 | $2,656 | 13.4% |
| G6002 | Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | Facility | 2022 | 26 | 116 | $16,076 | $2,148 | 13.4% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Facility | 2022 | 17 | 17 | $11,671 | $2,078 | 17.8% |
| 77435 | Stereotactic radiation treatment management of 1 or more lesions using imaging guidance, per treatment course | Facility | 2021 | 31 | 33 | $243,144 | $19,923 | 8.2% |
| 77301 | Management of modulation radiotherapy planning | Facility | 2021 | 43 | 46 | $282,394 | $18,388 | 6.5% |
| 77338 | Design and construction of device for radiation therapy | Facility | 2021 | 43 | 51 | $48,042 | $10,831 | 22.5% |
| 77427 | Radiation treatment management, 5 treatments | Facility | 2021 | 23 | 46 | $51,750 | $8,301 | 16.0% |
| 99205 | New patient outpatient visit, total time 60-74 minutes | Facility | 2021 | 47 | 47 | $41,938 | $8,209 | 19.6% |
About Dr. Daniel Chang, M.D
Dr. Daniel Chang, M.D is a Radiation Oncology healthcare provider based in Ann Arbor, Michigan. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 10/10/2006. The National Provider Identifier (NPI) number assigned to this provider is 1285722892.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Daniel Chang, M.D has received a total of $57,619 in payments from pharmaceutical and medical device companies, with $5,457 received in 2024. These payments were reported across 80 transactions from 10 companies. The most common payment nature is "Consulting Fee" ($21,597).
As a Medicare-enrolled provider, Chang has provided services to 1,904 Medicare beneficiaries, totaling 3,230 services with total Medicare billing of $342,226. Data is available for 4 years (2020–2023), covering 53 distinct procedure/service records.
Practice Information
- Specialty Radiation Oncology
- Other Specialties Radiation Oncology, Radiation Oncology
- Location Ann Arbor, MI
- Active Since 10/10/2006
- Last Updated 12/21/2022
- Taxonomy Code 2085R0001X
- Entity Type Individual
- NPI Number 1285722892
Products in Payments
- Varian Treatment (Device) $13,088
- OTHER (Device) $9,752
- Clinac (Device) $8,717
- TrueBeam (Device) $5,966
- EDGE (Device) $2,329
- REFLEXION MEDICAL RADIOTHERAPY SYSTEM (Device) $1,350
- NAMZARIC (Drug) $1,250
- MENTOR MemoryGel Resterilizable Gel Sizer (Device) $1,080
- Halcyon (Device) $398.16
- MRIdian LINAC (Device) $245.51
- Clinac iX (Device) $175.36
- BAS-PowerPICC (Device) $133.41
- AVANCE NERVE GRAFT (Device) $90.90
- ALLODERM (Device) $85.55
- Optune (Device) $53.66
- PTS250 (Device) $39.08
Explore
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.
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