Total Payments
$97,360
2024 Payments
$14,567
Companies
22
Transactions
225
Medicare Patients
2,010
Medicare Billing
$361,250
Payment Breakdown by Category
Other$39,212 (40.3%)
Consulting$35,983 (37.0%)
Travel$13,332 (13.7%)
Food & Beverage$8,832 (9.1%)
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 | $39,213 | 22 | 40.3% |
| Consulting Fee | $35,983 | 15 | 37.0% |
| Travel and Lodging | $13,332 | 53 | 13.7% |
| Food and Beverage | $8,832 | 135 | 9.1% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| MicroPort Orthopedics Inc | $56,179 | 92 | $0 (2024) |
| UOC USA INC | $25,617 | 29 | $0 (2024) |
| EXACTECH, INC. | $8,243 | 10 | $0 (2022) |
| Zimmer Biomet Holdings, Inc. | $2,991 | 34 | $0 (2024) |
| Smith+Nephew, Inc. | $2,417 | 21 | $0 (2019) |
| Stryker Corporation | $965.12 | 11 | $0 (2024) |
| Biocomposites Inc | $242.46 | 5 | $0 (2021) |
| DePuy Synthes Sales Inc. | $165.25 | 4 | $0 (2019) |
| OMNIlife science, Inc | $88.83 | 1 | $0 (2022) |
| Medical Device Business Services, Inc. | $84.00 | 3 | $0 (2018) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $14,567 | 17 | UOC USA INC ($9,976) |
| 2023 | $17,627 | 34 | MicroPort Orthopedics Inc ($17,217) |
| 2022 | $38,778 | 60 | MicroPort Orthopedics Inc ($27,391) |
| 2021 | $17,739 | 21 | Exactech, Inc. ($7,163) |
| 2020 | $767.52 | 16 | MicroPort Orthopedics Inc ($239.28) |
| 2019 | $4,732 | 37 | Zimmer Biomet Holdings, Inc. ($1,868) |
| 2018 | $2,321 | 28 | Smith & Nephew, Inc. ($1,668) |
| 2017 | $827.89 | 12 | Zimmer Biomet Holdings, Inc. ($685.84) |
All Payment Transactions
225 individual payment records from CMS Open Payments — Page 1 of 9
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 11/15/2024 | UOC USA INC | Cones (Device) | Consulting Fee | Cash or cash equivalent | $7,950.00 | General |
| Category: United Knee and Oncology Systems | ||||||
| 10/30/2024 | Stryker Corporation | MAKO (Device) | Food and Beverage | In-kind items and services | $23.16 | General |
| Category: KNEES, HIPS | ||||||
| 05/21/2024 | Stryker Corporation | EXETER (Device) | Food and Beverage | In-kind items and services | $28.26 | General |
| Category: HIPS | ||||||
| 05/08/2024 | Stryker Corporation | INSIGNIA (Device) | Food and Beverage | In-kind items and services | $36.86 | General |
| Category: JOINT REPLACEMENT HIPS, KNEES | ||||||
| 04/15/2024 | Zimmer Biomet Holdings, Inc. | Gel-One Cross-linked Hyaluronate (Device) | Food and Beverage | In-kind items and services | $15.05 | General |
| Category: Knees | ||||||
| 03/02/2024 | UOC USA INC | Cones (Device) | Travel and Lodging | Cash or cash equivalent | $197.08 | General |
| Category: United Knee and Oncology Systems | ||||||
| 03/02/2024 | UOC USA INC | Cones (Device) | Food and Beverage | Cash or cash equivalent | $43.22 | General |
| Category: United Knee and Oncology Systems | ||||||
| 03/02/2024 | UOC USA INC | Cones (Device) | Food and Beverage | Cash or cash equivalent | $20.72 | General |
| Category: United Knee and Oncology Systems | ||||||
| 03/02/2024 | UOC USA INC | Cones (Device) | Food and Beverage | Cash or cash equivalent | $9.57 | General |
| Category: United Knee and Oncology Systems | ||||||
| 03/02/2024 | UOC USA INC | Cones (Device) | Food and Beverage | Cash or cash equivalent | $7.03 | General |
| Category: United Knee and Oncology Systems | ||||||
| 03/02/2024 | UOC USA INC | Cones (Device) | Food and Beverage | Cash or cash equivalent | $5.40 | General |
| Category: United Knee and Oncology Systems | ||||||
| 03/02/2024 | UOC USA INC | Cones (Device) | Food and Beverage | Cash or cash equivalent | $4.90 | General |
| Category: United Knee and Oncology Systems | ||||||
| 03/01/2024 | UOC USA INC | Cones (Device) | Travel and Lodging | Cash or cash equivalent | $1,649.70 | General |
| Category: United Knee and Oncology Systems | ||||||
| 03/01/2024 | UOC USA INC | Cones (Device) | Food and Beverage | Cash or cash equivalent | $88.49 | General |
| Category: United Knee and Oncology Systems | ||||||
| 02/07/2024 | 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 | $3,000.00 | General |
| Category: Orthopedic Product | ||||||
| 02/07/2024 | 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 | $1,062.50 | General |
| Category: Orthopedic Product | ||||||
| 02/07/2024 | 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 | $425.00 | General |
| Category: Orthopedic Product | ||||||
| 11/22/2023 | 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 | $3,000.00 | General |
| Category: Orthopedic Product | ||||||
| 11/22/2023 | 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 | $1,700.00 | General |
| Category: Orthopedic Product | ||||||
| 11/17/2023 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | Travel and Lodging | In-kind items and services | $196.10 | General |
| Category: Orthopedic Product | ||||||
| 11/17/2023 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | Travel and Lodging | In-kind items and services | $143.00 | General |
| Category: Orthopedic Product | ||||||
| 11/16/2023 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | Food and Beverage | In-kind items and services | $186.29 | General |
| Category: Orthopedic Product | ||||||
| 11/01/2023 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | Travel and Lodging | In-kind items and services | $457.80 | General |
| Category: Orthopedic Product | ||||||
| 09/06/2023 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | Consulting Fee | Cash or cash equivalent | $425.00 | General |
| Category: Orthopedic Product | ||||||
| 07/21/2023 | MicroPort Orthopedics Inc | MPO Medial Pivot Knee (Device) | Travel and Lodging | In-kind items and services | $154.70 | General |
| Category: Orthopedic Product | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 11 | 325 | 416 | $61,971 | $28,565 |
| 2022 | 6 | 363 | 392 | $274,630 | $52,222 |
| 2021 | 11 | 757 | 931 | $886,199 | $165,320 |
| 2020 | 10 | 565 | 666 | $602,145 | $115,144 |
Total Patients
2,010
Total Services
2,405
Medicare Billing
$361,250
Procedure Codes
50
All Medicare Procedures & Services
50 procedure records from CMS Medicare Utilization — Page 1 of 2
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 27447 | Replacement of knee joint, both sides of knee | Facility | 2023 | 11 | 11 | $29,500 | $10,640 | 36.1% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 72 | 107 | $8,294 | $5,179 | 62.4% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2023 | 43 | 43 | $3,784 | $2,809 | 74.2% |
| 20610 | Aspiration and/or injection of fluid from large joint | Office | 2023 | 27 | 61 | $4,476 | $2,513 | 56.1% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 29 | 29 | $4,223 | $2,285 | 54.1% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 35 | 39 | $4,285 | $2,259 | 52.7% |
| 20985 | Computer-assisted surgery for muscle and bone procedure | Facility | 2023 | 12 | 12 | $3,338 | $1,378 | 41.3% |
| G0180 | 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 | Office | 2023 | 18 | 18 | $1,806 | $703.29 | 38.9% |
| 73564 | X-ray of knee, 4 or more views | Office | 2023 | 31 | 42 | $1,023 | $350.00 | 34.2% |
| 77073 | X-ray for bone length assessment | Office | 2023 | 20 | 26 | $654.00 | $228.36 | 34.9% |
| 73502 | X-ray of hip, 2-3 views | Office | 2023 | 27 | 28 | $588.00 | $221.26 | 37.6% |
| 27447 | Replacement of knee joint, both sides of knee | Facility | 2022 | 25 | 25 | $138,943 | $27,421 | 19.7% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Facility | 2022 | 90 | 104 | $30,264 | $4,935 | 16.3% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Facility | 2022 | 65 | 68 | $29,240 | $4,382 | 15.0% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 36 | 36 | $14,995 | $3,978 | 26.5% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Facility | 2022 | 31 | 31 | $17,893 | $2,892 | 16.2% |
| 20985 | Computer-assisted surgery for muscle and bone procedure | Facility | 2022 | 23 | 23 | $13,791 | $2,820 | 20.5% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 24 | 26 | $7,468 | $2,244 | 30.0% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 30 | 37 | $10,513 | $1,830 | 17.4% |
| 20610 | Aspiration and/or injection of fluid from large joint | Facility | 2022 | 26 | 27 | $7,953 | $978.29 | 12.3% |
| 20610 | Aspiration and/or injection of fluid from large joint | Office | 2022 | 13 | 15 | $3,570 | $742.12 | 20.8% |
| 27447 | Repair of knee joint, lower or upper part of joint, inside and outside area | Facility | 2021 | 61 | 64 | $392,765 | $73,666 | 18.8% |
| 27130 | Replacement of thigh bone and hip joint prosthesis | Facility | 2021 | 24 | 24 | $143,690 | $26,386 | 18.4% |
| 99214 | Established patient outpatient visit, total time 30-39 minutes | Facility | 2021 | 162 | 187 | $70,666 | $15,210 | 21.5% |
| 99213 | Established patient outpatient visit, total time 20-29 minutes | Facility | 2021 | 156 | 212 | $53,260 | $11,097 | 20.8% |
About Dr. David So, M.D
Dr. David So, M.D is a Orthopaedic Surgery healthcare provider based in Newport Beach, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 06/23/2009. The National Provider Identifier (NPI) number assigned to this provider is 1487882973.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. David So, M.D has received a total of $97,360 in payments from pharmaceutical and medical device companies, with $14,567 received in 2024. These payments were reported across 225 transactions from 22 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" ($39,213).
As a Medicare-enrolled provider, So has provided services to 2,010 Medicare beneficiaries, totaling 2,405 services with total Medicare billing of $361,250. Data is available for 4 years (2020–2023), covering 50 distinct procedure/service records.
Ad
Practice Information
- Specialty Orthopaedic Surgery
- Location Newport Beach, CA
- Active Since 06/23/2009
- Last Updated 05/23/2025
- Taxonomy Code 207X00000X
- Entity Type Individual
- NPI Number 1487882973
Products in Payments
- MPO Medial Pivot Knee (Device) $53,339
- Cones (Device) $9,976
- ALTEON (Device) $7,302
- N/A (Device) $6,360
- U2, AiO, U-Star, Conformity, U-Motion II (Device) $4,240
- Conformity, U-Star II (Device) $3,975
- MPO Hip System (Device) $2,840
- ROSA (Device) $1,890
- OPTETRAK (Device) $941.21
- MAKO (Device) $825.15
- Taperloc (Device) $585.81
- REDAPT Revision Hip System (Device) $446.74
- U2, Conformity, U-Motion II, PSA, U-Star II (Device) $393.04
- Journey II XR (Device) $348.73
- Anthology (Device) $293.35
- Persona (Device) $285.01
- Journey II BCS (Device) $282.32
- ATTUNE (Device) $246.12
- Stimulan (Device) $242.46
- U-Star II (Device) $200.22
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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