Payment Breakdown by Category
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $911.47 | 16 | 100.0% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Stryker Corporation | $400.92 | 8 | $0 (2024) |
| Aerin Medical Inc. | $162.18 | 1 | $0 (2022) |
| Medtronic, Inc. | $136.28 | 1 | $0 (2022) |
| GlaxoSmithKline, LLC. | $98.77 | 1 | $0 (2022) |
| Cook Medical LLC | $69.14 | 3 | $0 (2022) |
| DePuy Synthes Sales Inc. | $23.66 | 1 | $0 (2022) |
| Medtronic USA, Inc. | $20.52 | 1 | $0 (2020) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $183.09 | 3 | Stryker Corporation ($183.09) |
| 2022 | $633.25 | 9 | Stryker Corporation ($197.36) |
| 2021 | $74.61 | 3 | Cook Medical LLC ($54.14) |
| 2020 | $20.52 | 1 | Medtronic USA, Inc. ($20.52) |
All Payment Transactions
16 individual payment records from CMS Open Payments
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 08/15/2024 | Stryker Corporation | CORE (Device) | Food and Beverage | In-kind items and services | $73.47 | General |
| Category: NEURO SPINE ENT | ||||||
| 08/15/2024 | Stryker Corporation | NA (Device) | Food and Beverage | In-kind items and services | $55.74 | General |
| Category: NEURO | ||||||
| 08/15/2024 | Stryker Corporation | SCOPIS ENT (Device) | Food and Beverage | In-kind items and services | $53.88 | General |
| Category: INSTRUMENTS | ||||||
| 12/23/2022 | DePuy Synthes Sales Inc. | TRUMATCH (Device) | Food and Beverage | In-kind items and services | $23.66 | General |
| Category: Ortho-Knee | ||||||
| 10/15/2022 | Stryker Corporation | XPRESS ENT DILATION SYSTEM (Device) | Food and Beverage | In-kind items and services | $15.61 | General |
| Category: ENTELLUS | ||||||
| 10/15/2022 | Stryker Corporation | XPRESS ENT DILATION SYSTEM (Device) | Food and Beverage | In-kind items and services | $14.71 | General |
| Category: ENTELLUS | ||||||
| 10/11/2022 | GlaxoSmithKline, LLC. | NUCALA (Biological) | Food and Beverage | In-kind items and services | $98.77 | General |
| Category: IMMUNOLOGY | ||||||
| 09/08/2022 | Stryker Corporation | XPRESS ENT DILATION SYSTEM (Device) | Food and Beverage | In-kind items and services | $152.88 | General |
| Category: ENTELLUS | ||||||
| 07/30/2022 | Medtronic, Inc. | PROPEL (Device) | Food and Beverage | In-kind items and services | $136.28 | General |
| Category: Otolaryngology (Ear, Nose, Throat) | ||||||
| 07/29/2022 | Aerin Medical Inc. | — | Food and Beverage | In-kind items and services | $162.18 | General |
| 06/18/2022 | Cook Medical LLC | HEMOSPRAY (Device) | Food and Beverage | Cash or cash equivalent | $15.00 | General |
| Category: Endoscopy | ||||||
| 02/19/2022 | Stryker Corporation | AERO-LL (Device) | Food and Beverage | In-kind items and services | $14.16 | General |
| Category: THORACOLUMBAR | ||||||
| 12/23/2021 | Cook Medical LLC | Hemospray (Device) | Food and Beverage | Cash or cash equivalent | $36.61 | General |
| Category: Endoscopy | ||||||
| 11/05/2021 | Stryker Corporation | XPRESS ENT DILATION SYSTEM (Device) | Food and Beverage | In-kind items and services | $20.47 | General |
| Category: ENTELLUS | ||||||
| 06/25/2021 | Cook Medical LLC | EchoTip (Device) | Food and Beverage | Cash or cash equivalent | $17.53 | General |
| Category: Endoscopy | ||||||
| 12/05/2020 | Medtronic USA, Inc. | FUSION (Device) | Food and Beverage | In-kind items and services | $20.52 | General |
| Category: Image Guided Surgery Products | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 3 | 175 | 189 | $179,318 | $24,963 |
| 2022 | 3 | 157 | 191 | $117,154 | $13,330 |
| 2021 | 1 | 18 | 18 | $540.00 | $432.00 |
All Medicare Procedures & Services
10 procedure records from CMS Medicare Utilization
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 31237 | Biopsy or removal of nasal polyp or tissue using an endoscope | Facility | 2023 | 34 | 38 | $89,871 | $6,920 | 7.7% |
| 31231 | Diagnostic exam of nasal passages using an endoscope | Office | 2023 | 27 | 29 | $28,521 | $5,785 | 20.3% |
| 31237 | Biopsy or removal of nasal polyp or tissue using an endoscope | Office | 2023 | 11 | 16 | $44,631 | $5,542 | 12.4% |
| 31231 | Diagnostic exam of nasal passages using an endoscope | Facility | 2023 | 74 | 77 | $3,817 | $2,676 | 70.1% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 15 | 15 | $9,930 | $2,361 | 23.8% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Facility | 2023 | 14 | 14 | $2,548 | $1,679 | 65.9% |
| 31237 | Biopsy or removal of nasal polyp or tissue using an endoscope | Facility | 2022 | 29 | 53 | $112,148 | $9,666 | 8.6% |
| 31231 | Diagnostic exam of nasal passages using an endoscope | Facility | 2022 | 116 | 124 | $3,960 | $2,845 | 71.8% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Facility | 2022 | 12 | 14 | $1,046 | $819.28 | 78.3% |
| 31231 | Diagnostic examination of nasal passages using an endoscope | Facility | 2021 | 18 | 18 | $540.00 | $432.00 | 80.0% |
About Dr. Michael Chang, MD
Dr. Michael Chang, MD is a Otolaryngology healthcare provider based in Stanford, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 04/22/2016. The National Provider Identifier (NPI) number assigned to this provider is 1720432016.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Michael Chang, MD has received a total of $911.47 in payments from pharmaceutical and medical device companies, with $183.09 received in 2024. These payments were reported across 16 transactions from 7 companies. The most common payment nature is "Food and Beverage" ($911.47).
As a Medicare-enrolled provider, Chang has provided services to 350 Medicare beneficiaries, totaling 398 services with total Medicare billing of $38,724. Data is available for 3 years (2021–2023), covering 10 distinct procedure/service records.
Practice Information
- Specialty Otolaryngology
- Location Stanford, CA
- Active Since 04/22/2016
- Last Updated 04/28/2024
- Taxonomy Code 207Y00000X
- Entity Type Individual
- NPI Number 1720432016
Products in Payments
- XPRESS ENT DILATION SYSTEM (Device) $203.67
- PROPEL (Device) $136.28
- NUCALA (Biological) $98.77
- CORE (Device) $73.47
- NA (Device) $55.74
- SCOPIS ENT (Device) $53.88
- Hemospray (Device) $36.61
- TRUMATCH (Device) $23.66
- FUSION (Device) $20.52
- EchoTip (Device) $17.53
- HEMOSPRAY (Device) $15.00
- AERO-LL (Device) $14.16
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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