Total Payments
$561,074
2024 Payments
$93,334
Companies
16
Transactions
470
Medicare Patients
12,178
Medicare Billing
$2.2M
Payment Breakdown by Category
Royalty/License$308,276 (54.9%)
Consulting$185,895 (33.1%)
Travel$29,305 (5.2%)
Other$23,727 (4.2%)
Food & Beverage$10,632 (1.9%)
Research$3,239 (0.6%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Royalty or License | $308,276 | 33 | 54.9% |
| Consulting Fee | $185,895 | 106 | 33.1% |
| Travel and Lodging | $29,305 | 123 | 5.2% |
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $23,727 | 27 | 4.2% |
| Food and Beverage | $10,632 | 179 | 1.9% |
| Unspecified | $3,239 | 2 | 0.6% |
Payments by Type
General
$557,835
468 transactions
Research
$3,239
2 transactions
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| MicroPort Orthopedics Inc | $391,251 | 171 | $0 (2024) |
| Zimmer Biomet Holdings, Inc. | $157,359 | 253 | $0 (2022) |
| Smith+Nephew, Inc. | $10,114 | 18 | $0 (2024) |
| Stryker Corporation | $700.88 | 8 | $0 (2024) |
| Medical Device Business Services, Inc. | $395.00 | 1 | $0 (2018) |
| DePuy Synthes Sales Inc. | $283.91 | 4 | $0 (2018) |
| Heraeus Medical, LLC. | $241.38 | 3 | $0 (2023) |
| Kyocera Medical Technologies, Inc. | $237.98 | 1 | $0 (2023) |
| OrthoSensor Inc. | $130.14 | 1 | $0 (2018) |
| Heron Therapeutics, Inc. | $125.08 | 4 | $0 (2023) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $93,334 | 58 | MicroPort Orthopedics Inc ($83,634) |
| 2023 | $74,514 | 38 | MicroPort Orthopedics Inc ($73,933) |
| 2022 | $57,642 | 18 | MicroPort Orthopedics Inc ($55,025) |
| 2021 | $51,327 | 21 | MicroPort Orthopedics Inc ($50,951) |
| 2020 | $86,056 | 50 | MicroPort Orthopedics Inc ($57,881) |
| 2019 | $79,473 | 112 | MicroPort Orthopedics Inc ($47,611) |
| 2018 | $76,796 | 113 | Zimmer Biomet Holdings, Inc. ($60,655) |
| 2017 | $41,932 | 60 | Zimmer Biomet Holdings, Inc. ($34,366) |
All Payment Transactions
470 individual payment records from CMS Open Payments — Page 1 of 19
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/18/2024 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | 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 | $3,200.00 | General |
| Category: Orthopedic Product | ||||||
| 12/18/2024 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | 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 | $2,000.00 | General |
| Category: Orthopedic Product | ||||||
| 12/18/2024 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | 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 | $1,600.00 | General |
| Category: Orthopedic Product | ||||||
| 12/18/2024 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | 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 | $800.00 | General |
| Category: Orthopedic Product | ||||||
| 12/09/2024 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | Food and Beverage | In-kind items and services | $136.73 | General |
| Category: Orthopedic Product | ||||||
| 11/18/2024 | Amgen Inc. | EVENITY (Biological), Prolia | Food and Beverage | In-kind items and services | $23.10 | General |
| Category: Bone Health | ||||||
| 11/12/2024 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | Royalty or License | Cash or cash equivalent | $4,409.09 | General |
| Category: Orthopedic Product | ||||||
| 11/06/2024 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | Consulting Fee | Cash or cash equivalent | $600.00 | General |
| Category: Orthopedic Product | ||||||
| 10/12/2024 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | Travel and Lodging | In-kind items and services | $312.83 | General |
| Category: Orthopedic Product | ||||||
| 10/12/2024 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | Food and Beverage | In-kind items and services | $102.75 | General |
| Category: Orthopedic Product | ||||||
| 10/11/2024 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | Travel and Lodging | In-kind items and services | $312.83 | General |
| Category: Orthopedic Product | ||||||
| 10/11/2024 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | Food and Beverage | In-kind items and services | $108.17 | General |
| Category: Orthopedic Product | ||||||
| 10/10/2024 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | Travel and Lodging | In-kind items and services | $312.83 | General |
| Category: Orthopedic Product | ||||||
| 10/10/2024 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | Food and Beverage | In-kind items and services | $62.50 | General |
| Category: Orthopedic Product | ||||||
| 10/09/2024 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | Travel and Lodging | In-kind items and services | $298.50 | General |
| Category: Orthopedic Product | ||||||
| 10/02/2024 | MicroPort Orthopedics Inc | MPO Hip System (Device) | 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 | $400.00 | General |
| Category: Orthopedic Product | ||||||
| 09/18/2024 | MicroPort Orthopedics Inc | MPO Hip System (Device) | Food and Beverage | In-kind items and services | $82.68 | General |
| Category: Orthopedic Product | ||||||
| 09/10/2024 | Smith+Nephew, Inc. | REAL INTELLIGENCE (Device), JOURNEY II, JOURNEY II | Consulting Fee | Cash or cash equivalent | $6,600.00 | General |
| Category: Recon Robotics | ||||||
| 09/10/2024 | Smith+Nephew, Inc. | REAL INTELLIGENCE (Device), JOURNEY II, JOURNEY II | Consulting Fee | Cash or cash equivalent | $825.00 | General |
| Category: Recon Robotics | ||||||
| 09/04/2024 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | Food and Beverage | In-kind items and services | $27.52 | General |
| Category: Orthopedic Product | ||||||
| 08/14/2024 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | Consulting Fee | Cash or cash equivalent | $3,200.00 | General |
| Category: Orthopedic Product | ||||||
| 08/14/2024 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | Consulting Fee | Cash or cash equivalent | $3,000.00 | General |
| Category: Orthopedic Product | ||||||
| 08/12/2024 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | Royalty or License | Cash or cash equivalent | $10,339.36 | General |
| Category: Orthopedic Product | ||||||
| 07/30/2024 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | Travel and Lodging | In-kind items and services | $8,115.60 | General |
| Category: Orthopedic Product | ||||||
| 07/10/2024 | Stryker Corporation | NA (Device) | Food and Beverage | In-kind items and services | $17.01 | General |
| Category: INSTRUMENTS | ||||||
Research Studies & Clinical Trials
| Study Name | Company | Amount | Records |
|---|---|---|---|
| Persona Partial Knee Clinical Outcomes Study | Zimmer Biomet Holdings, Inc. | $3,239 | 2 |
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 19 | 2,898 | 4,905 | $2.0M | $515,293 |
| 2022 | 19 | 3,396 | 5,632 | $1.9M | $535,740 |
| 2021 | 21 | 3,581 | 6,125 | $2.2M | $651,732 |
| 2020 | 20 | 2,303 | 3,565 | $1.8M | $501,302 |
Total Patients
12,178
Total Services
20,227
Medicare Billing
$2.2M
Procedure Codes
81
All Medicare Procedures & Services
81 procedure records from CMS Medicare Utilization — Page 1 of 4
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 27130 | Replacement of thigh bone and hip joint with prosthesis | Facility | 2023 | 117 | 118 | $528,000 | $126,400 | 23.9% |
| 27447 | Replacement of knee joint, both sides of knee | Facility | 2023 | 104 | 104 | $462,000 | $111,560 | 24.1% |
| 27446 | Replacement of knee joint on side of knee | Facility | 2023 | 90 | 91 | $350,000 | $92,008 | 26.3% |
| 97750 | Test or measurement for functional capacity, each 15 minutes | Office | 2023 | 486 | 1,124 | $94,416 | $24,544 | 26.0% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 243 | 251 | $63,252 | $22,955 | 36.3% |
| J7327 | Hyaluronan or derivative, monovisc, for intra-articular injection, per dose | Office | 2023 | 32 | 41 | $82,000 | $22,710 | 27.7% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 166 | 166 | $63,910 | $19,758 | 30.9% |
| 27487 | Revision of thigh and lower leg bone components of total knee joint prosthesis | Facility | 2023 | 13 | 13 | $84,175 | $18,802 | 22.3% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 260 | 294 | $50,568 | $18,574 | 36.7% |
| 73562 | X-ray of knee, 3 views | Office | 2023 | 414 | 579 | $52,719 | $17,659 | 33.5% |
| 20610 | Aspiration and/or injection of fluid from large joint | Office | 2023 | 234 | 299 | $57,558 | $15,901 | 27.6% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2023 | 89 | 89 | $22,606 | $7,109 | 31.4% |
| 73502 | X-ray of hip, 2-3 views | Office | 2023 | 146 | 179 | $18,445 | $5,936 | 32.2% |
| 73560 | X-ray of knee, 1-2 views | Office | 2023 | 120 | 125 | $8,974 | $3,088 | 34.4% |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Facility | 2023 | 42 | 43 | $7,353 | $2,636 | 35.9% |
| 73501 | X-ray of hip, 1 view | Office | 2023 | 86 | 93 | $7,068 | $2,384 | 33.7% |
| 73522 | X-ray of both hips, 3-4 views | Office | 2023 | 24 | 25 | $3,100 | $985.78 | 31.8% |
| J3301 | Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Office | 2023 | 197 | 1,232 | $8,624 | $983.67 | 11.4% |
| 73521 | X-ray of both hips, 2 views | Office | 2023 | 23 | 23 | $2,323 | $760.84 | 32.8% |
| 20610 | Aspiration and/or injection of fluid from large joint | Facility | 2023 | 12 | 16 | $2,544 | $539.63 | 21.2% |
| 27130 | Replacement of thigh bone and hip joint with prosthesis | Facility | 2022 | 99 | 103 | $453,200 | $112,994 | 24.9% |
| 27447 | Replacement of knee joint, both sides of knee | Facility | 2022 | 93 | 94 | $413,600 | $105,151 | 25.4% |
| 27446 | Replacement of knee joint on side of knee | Facility | 2022 | 90 | 90 | $332,500 | $92,909 | 27.9% |
| J7326 | Hyaluronan or derivative, gel-one, for intra-articular injection, per dose | Office | 2022 | 29 | 39 | $78,000 | $35,343 | 45.3% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 270 | 288 | $72,576 | $26,801 | 36.9% |
About Dr. Donald Knapke, MD
Dr. Donald Knapke, MD is a Orthopaedic Surgery healthcare provider based in Troy, Michigan. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 10/27/2005. The National Provider Identifier (NPI) number assigned to this provider is 1366432569.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Donald Knapke, MD has received a total of $561,074 in payments from pharmaceutical and medical device companies, with $93,334 received in 2024. These payments were reported across 470 transactions from 16 companies. The most common payment nature is "Royalty or License" ($308,276).
As a Medicare-enrolled provider, Knapke has provided services to 12,178 Medicare beneficiaries, totaling 20,227 services with total Medicare billing of $2.2M. Data is available for 4 years (2020–2023), covering 81 distinct procedure/service records.
Ad
Practice Information
- Specialty Orthopaedic Surgery
- Location Troy, MI
- Active Since 10/27/2005
- Last Updated 07/08/2007
- Taxonomy Code 207X00000X
- Entity Type Individual
- Practice Solo Practitioner
- NPI Number 1366432569
Products in Payments
- MPO Medial Pivot Knee (Device) $382,596
- Persona (Device) $79,302
- Persona Revision (Device) $11,305
- Oxford (Device) $9,832
- G7 (Device) $9,605
- REAL INTELLIGENCE (Device) $7,700
- MPO Hip System (Device) $6,655
- Knees Product Portfolio (Device) $6,191
- Fuzion (Device) $6,125
- PD-Knee-New Product (Device) $5,026
- Arcos (Device) $4,397
- Wagner SL (Device) $3,750
- AccuFill (Device) $3,000
- Juggerknot (Device) $2,500
- Product Portfolio (Device) $2,500
- TMARS Liners (Device) $2,125
- JOURNEY II (Device) $1,959
- Trabecular Metal Shapes (Device) $1,875
- Hip Product Portfolio (Device) $1,195
- Knee Product Portfolio (Device) $912.94
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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