Payment Breakdown by Category
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Consulting Fee | $17,043 | 4 | 78.8% |
| Travel and Lodging | $1,830 | 7 | 8.5% |
| Food and Beverage | $1,377 | 18 | 6.4% |
| Unspecified | $1,375 | 2 | 6.4% |
Payments by Type
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Roche Diagnostics Corporation | $14,430 | 16 | $0 (2024) |
| GENZYME CORPORATION | $5,301 | 5 | $0 (2023) |
| F. Hoffmann-La Roche AG | $1,375 | 2 | $0 (2021) |
| Merck Sharp & Dohme Corporation | $241.75 | 4 | $0 (2019) |
| Genentech, Inc. | $116.32 | 1 | $0 (2017) |
| Genentech USA, Inc. | $115.59 | 2 | $0 (2017) |
| Philips Electronics North America Corporation | $44.99 | 1 | $0 (2018) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $8,009 | 6 | Roche Diagnostics Corporation ($8,009) |
| 2023 | $5,301 | 5 | GENZYME CORPORATION ($5,301) |
| 2022 | $2,616 | 1 | Roche Diagnostics Corporation ($2,616) |
| 2021 | $1,375 | 2 | F. Hoffmann-La Roche AG ($1,375) |
| 2019 | $16.80 | 1 | Merck Sharp & Dohme Corporation ($16.80) |
| 2018 | $269.94 | 4 | Merck Sharp & Dohme Corporation ($224.95) |
| 2017 | $4,038 | 12 | Roche Diagnostics Corporation ($3,806) |
All Payment Transactions
31 individual payment records from CMS Open Payments — Page 1 of 2
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 11/05/2024 | Roche Diagnostics Corporation | — | Consulting Fee | Cash or cash equivalent | $7,224.00 | General |
| Category: None | ||||||
| 10/10/2024 | Roche Diagnostics Corporation | — | Food and Beverage | In-kind items and services | $124.23 | General |
| Category: None | ||||||
| 10/09/2024 | Roche Diagnostics Corporation | VIRTUOSO System for IHC (Device) | Food and Beverage | In-kind items and services | $111.39 | General |
| Category: Tissue Diagnostics | ||||||
| 10/08/2024 | Roche Diagnostics Corporation | VIRTUOSO System for IHC (Device) | Food and Beverage | In-kind items and services | $103.59 | General |
| Category: Tissue Diagnostics | ||||||
| 08/27/2024 | Roche Diagnostics Corporation | VIRTUOSO System for IHC (Device) | Travel and Lodging | In-kind items and services | $425.50 | General |
| Category: Tissue Diagnostics | ||||||
| 08/27/2024 | Roche Diagnostics Corporation | VIRTUOSO System for IHC (Device) | Travel and Lodging | In-kind items and services | $20.00 | General |
| Category: Tissue Diagnostics | ||||||
| 11/15/2023 | GENZYME CORPORATION | — | Consulting Fee | Cash or cash equivalent | $4,203.00 | General |
| 11/15/2023 | GENZYME CORPORATION | — | Travel and Lodging | In-kind items and services | $419.85 | General |
| 11/15/2023 | GENZYME CORPORATION | — | Travel and Lodging | In-kind items and services | $279.53 | General |
| 11/15/2023 | GENZYME CORPORATION | — | Travel and Lodging | In-kind items and services | $249.50 | General |
| 11/15/2023 | GENZYME CORPORATION | — | Food and Beverage | In-kind items and services | $149.22 | General |
| 12/01/2022 | Roche Diagnostics Corporation | — | Consulting Fee | Cash or cash equivalent | $2,616.00 | General |
| Category: None | ||||||
| 06/30/2021 | F. Hoffmann-La Roche AG | TECENTRIQ (Biological) | — | In-kind items and services | $1,051.90 | Research |
| Study: A PHASE II, OPEN-LABEL, MULTICENTER, SINGLE-ARM STUDY TO INVESTIGATE THE EFFICACY AND SAFETY OF ATEZOLIZUMAB AS NEOADJUVANT AND ADJUVANT THERAPY IN PATIENTS WITH STAGE IB, II, IIIA RESECTABLE AND UNTREATED NON-SMALL CELL LUNG CANCER NSCLC • Category: BioOncology | ||||||
| 06/30/2021 | F. Hoffmann-La Roche AG | TECENTRIQ (Biological) | — | In-kind items and services | $322.60 | Research |
| Study: A PHASE II, OPEN-LABEL, MULTICENTER, SINGLE-ARM STUDY TO INVESTIGATE THE EFFICACY AND SAFETY OF ATEZOLIZUMAB AS NEOADJUVANT AND ADJUVANT THERAPY IN PATIENTS WITH STAGE IB, II, IIIA RESECTABLE AND UNTREATED NON-SMALL CELL LUNG CANCER NSCLC • Category: BioOncology | ||||||
| 11/22/2019 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Food and Beverage | In-kind items and services | $16.80 | General |
| Category: ONCOLOGY | ||||||
| 12/06/2018 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Food and Beverage | In-kind items and services | $109.28 | General |
| Category: ONCOLOGY | ||||||
| 11/08/2018 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Food and Beverage | In-kind items and services | $16.78 | General |
| Category: ONCOLOGY | ||||||
| 11/07/2018 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Food and Beverage | In-kind items and services | $98.89 | General |
| Category: ONCOLOGY | ||||||
| 09/18/2018 | Philips Electronics North America Corporation | Healthcare Incubator (Device) | Food and Beverage | Cash or cash equivalent | $44.99 | General |
| Category: Cardiology/Vascular Diseases | ||||||
| 12/21/2017 | Roche Diagnostics Corporation | TD BenchMark Platforms (Device) | Travel and Lodging | Cash or cash equivalent | $200.78 | General |
| Category: Tissue Diagnostics | ||||||
| 11/15/2017 | Roche Diagnostics Corporation | TD BenchMark IHC/ISH and Special Stains Reagents (Device) | Travel and Lodging | In-kind items and services | $235.24 | General |
| Category: Tissue Diagnostics | ||||||
| 11/15/2017 | Roche Diagnostics Corporation | TD BenchMark IHC/ISH and Special Stains Reagents (Device) | Food and Beverage | In-kind items and services | $138.62 | General |
| Category: Tissue Diagnostics | ||||||
| 11/15/2017 | Roche Diagnostics Corporation | TD BenchMark IHC/ISH and Special Stains Reagents (Device) | Food and Beverage | In-kind items and services | $68.85 | General |
| Category: Tissue Diagnostics | ||||||
| 11/15/2017 | Roche Diagnostics Corporation | TD BenchMark IHC/ISH and Special Stains Reagents (Device) | Food and Beverage | In-kind items and services | $60.75 | General |
| Category: Tissue Diagnostics | ||||||
| 11/15/2017 | Roche Diagnostics Corporation | TD BenchMark IHC/ISH and Special Stains Reagents (Device) | Food and Beverage | In-kind items and services | $58.20 | General |
| Category: Tissue Diagnostics | ||||||
Research Studies & Clinical Trials
| Study Name | Company | Amount | Records |
|---|---|---|---|
| A PHASE II, OPEN-LABEL, MULTICENTER, SINGLE-ARM STUDY TO INVESTIGATE THE EFFICACY AND SAFETY OF ATEZOLIZUMAB AS NEOADJUVANT AND ADJUVANT THERAPY IN PATIENTS WITH STAGE IB, II, IIIA RESECTABLE AND UNTREATED NON-SMALL CELL LUNG CANCER NSCLC | F. Hoffmann-La Roche AG | $1,375 | 2 |
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 14 | 995 | 1,818 | $378,310 | $56,927 |
| 2022 | 14 | 970 | 1,665 | $346,655 | $55,960 |
| 2021 | 14 | 1,028 | 1,811 | $387,125 | $61,822 |
| 2020 | 12 | 1,040 | 1,817 | $379,615 | $68,527 |
All Medicare Procedures & Services
54 procedure records from CMS Medicare Utilization — Page 1 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | Facility | 2023 | 467 | 955 | $219,650 | $27,078 | 12.3% |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | Facility | 2023 | 81 | 131 | $40,610 | $8,370 | 20.6% |
| 88360 | Microscopic genetic analysis of tumor, manual | Facility | 2023 | 51 | 141 | $28,200 | $4,532 | 16.1% |
| 88309 | Pathology examination of tissue using a microscope, high complexity | Facility | 2023 | 31 | 39 | $15,600 | $4,284 | 27.5% |
| 88331 | Pathology examination of specimen during surgery, first tissue block | Facility | 2023 | 33 | 85 | $19,125 | $4,106 | 21.5% |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | Facility | 2023 | 61 | 140 | $18,900 | $3,083 | 16.3% |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | Facility | 2023 | 106 | 110 | $16,500 | $2,985 | 18.1% |
| 88363 | Examination of archival tissue for genetic analysis | Facility | 2023 | 59 | 59 | $6,490 | $895.05 | 13.8% |
| 88304 | Pathology examination of tissue using a microscope, moderately low complexity | Facility | 2023 | 32 | 49 | $6,860 | $424.85 | 6.2% |
| 88312 | Special stained specimen slides to identify organisms including interpretation and report | Facility | 2023 | 11 | 18 | $1,620 | $372.42 | 23.0% |
| 88313 | Special stained specimen slides to examine tissue including interpretation and report | Facility | 2023 | 12 | 30 | $1,500 | $281.95 | 18.8% |
| 76098 | X-ray of surgical specimen | Facility | 2023 | 19 | 22 | $1,320 | $265.58 | 20.1% |
| 88311 | Preparation of tissue for examination by removing any calcium present | Facility | 2023 | 18 | 21 | $945.00 | $193.23 | 20.4% |
| 88300 | Pathology examination of tissue using a microscope, limited examination | Facility | 2023 | 14 | 18 | $990.00 | $55.69 | 5.6% |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | Facility | 2022 | 379 | 696 | $160,080 | $19,448 | 12.1% |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | Facility | 2022 | 125 | 204 | $63,240 | $13,206 | 20.9% |
| 88309 | Pathology examination of tissue using a microscope, high complexity | Facility | 2022 | 39 | 49 | $19,600 | $5,527 | 28.2% |
| 88331 | Pathology examination of specimen during surgery, first tissue block | Facility | 2022 | 40 | 109 | $24,525 | $5,339 | 21.8% |
| 88360 | Microscopic genetic analysis of tumor, manual | Facility | 2022 | 48 | 107 | $21,400 | $3,507 | 16.4% |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | Facility | 2022 | 50 | 152 | $20,520 | $3,402 | 16.6% |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | Facility | 2022 | 76 | 87 | $13,050 | $2,353 | 18.0% |
| 88363 | Examination of archival tissue for genetic analysis | Facility | 2022 | 54 | 54 | $5,940 | $830.90 | 14.0% |
| 88312 | Special stained specimen slides to identify organisms including interpretation and report | Facility | 2022 | 22 | 36 | $3,240 | $735.62 | 22.7% |
| 88304 | Pathology examination of tissue using a microscope, moderately low complexity | Facility | 2022 | 58 | 69 | $9,660 | $626.49 | 6.5% |
| 76098 | X-ray of surgical specimen | Facility | 2022 | 33 | 37 | $2,220 | $456.44 | 20.6% |
About Dr. Jon Ritter, MD
Dr. Jon Ritter, MD is a Anatomic Pathology & Clinical Pathology healthcare provider based in Saint Louis, Missouri. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 07/17/2006. The National Provider Identifier (NPI) number assigned to this provider is 1366460784.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Jon Ritter, MD has received a total of $21,625 in payments from pharmaceutical and medical device companies, with $8,009 received in 2024. These payments were reported across 31 transactions from 7 companies. The most common payment nature is "Consulting Fee" ($17,043).
As a Medicare-enrolled provider, Ritter has provided services to 4,033 Medicare beneficiaries, totaling 7,111 services with total Medicare billing of $243,236. Data is available for 4 years (2020–2023), covering 54 distinct procedure/service records.
Practice Information
- Specialty Anatomic Pathology & Clinical Pathology
- Location Saint Louis, MO
- Active Since 07/17/2006
- Last Updated 04/17/2025
- Taxonomy Code 207ZP0102X
- Entity Type Individual
- NPI Number 1366460784
Products in Payments
- TD BenchMark Platforms (Device) $3,201
- TECENTRIQ (Biological) $1,375
- VIRTUOSO System for IHC (Device) $660.48
- TD BenchMark IHC/ISH and Special Stains Reagents (Device) $604.86
- KEYTRUDA (Biological) $241.75
- Non-Covered Product (Drug) $116.32
- Healthcare Incubator (Device) $44.99
- Herceptin (Biological) $17.99
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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