Total Payments
$268,741
2024 Payments
$57,566
Companies
11
Transactions
150
Medicare Patients
2,905
Medicare Billing
$495,165
Payment Breakdown by Category
Consulting$119,627 (44.5%)
Travel$65,366 (24.3%)
Research$50,770 (18.9%)
Other$30,468 (11.3%)
Food & Beverage$2,511 (0.9%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Consulting Fee | $119,627 | 33 | 44.5% |
| Travel and Lodging | $65,366 | 39 | 24.3% |
| Unspecified | $50,770 | 36 | 18.9% |
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $30,468 | 18 | 11.3% |
| Food and Beverage | $2,511 | 24 | 0.9% |
Payments by Type
General
$217,971
114 transactions
Research
$50,770
36 transactions
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| PFIZER INC. | $131,749 | 78 | $0 (2024) |
| Novo Nordisk AS | $45,514 | 11 | $0 (2023) |
| Alnylam Pharmaceuticals Inc. | $41,371 | 35 | $0 (2024) |
| Genentech, Inc. | $13,600 | 2 | $0 (2019) |
| Alexion Pharmaceuticals, Inc. | $12,845 | 3 | $0 (2024) |
| AstraZeneca Pharmaceuticals LP | $7,977 | 8 | $0 (2024) |
| Akcea Therapeutics, Inc. | $5,393 | 3 | $0 (2021) |
| Regeneron Pharmaceuticals, Inc. | $5,265 | 2 | $0 (2021) |
| Medtronic Vascular, Inc. | $2,925 | 5 | $0 (2019) |
| Janssen Scientific Affairs, LLC | $1,879 | 2 | $0 (2021) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $57,566 | 36 | PFIZER INC. ($40,318) |
| 2023 | $55,463 | 24 | Novo Nordisk AS ($21,141) |
| 2022 | $67,171 | 30 | PFIZER INC. ($33,135) |
| 2021 | $20,533 | 11 | PFIZER INC. ($5,740) |
| 2020 | $12,890 | 10 | PFIZER INTERNATIONAL LLC ($12,890) |
| 2019 | $25,406 | 20 | Alnylam Pharmaceuticals Inc. ($11,330) |
| 2018 | $26,845 | 14 | PFIZER INC. ($19,933) |
| 2017 | $2,869 | 5 | Medtronic Vascular, Inc. ($2,772) |
All Payment Transactions
150 individual payment records from CMS Open Payments — Page 1 of 6
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/31/2024 | PFIZER INC. | VYNDAMAX (Drug) | 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 | $1,400.00 | General |
| Category: CARDIOVASCULAR | ||||||
| 12/30/2024 | PFIZER INC. | VYNDAQEL (Drug) | — | In-kind items and services | $330.00 | Research |
| Study: VYNDAQEL CLINICAL PUBLICATION PROGRAM • Category: CARDIOVASCULAR | ||||||
| 12/19/2024 | PFIZER INC. | VYNDAQEL (Drug) | — | In-kind items and services | $3,200.00 | Research |
| Study: VYNDAQEL CLINICAL PUBLICATION PROGRAM • Category: CARDIOVASCULAR | ||||||
| 11/13/2024 | PFIZER INC. | VYNDAMAX (Drug) | 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 | $5,600.00 | General |
| Category: CARDIOVASCULAR | ||||||
| 11/08/2024 | PFIZER INC. | VYNDAMAX (Drug) | Consulting Fee | Cash or cash equivalent | $4,200.00 | General |
| Category: CARDIOVASCULAR | ||||||
| 11/05/2024 | Alexion Pharmaceuticals, Inc. | — | Consulting Fee | Cash or cash equivalent | $5,520.00 | General |
| 11/04/2024 | PFIZER INC. | VYNDAQEL (Drug) | Travel and Lodging | Cash or cash equivalent | $1,923.99 | General |
| Category: CARDIOVASCULAR | ||||||
| 10/31/2024 | Alnylam Pharmaceuticals Inc. | — | Travel and Lodging | Cash or cash equivalent | $117.54 | General |
| 10/31/2024 | PFIZER INC. | — | Travel and Lodging | In-kind items and services | $117.54 | General |
| 10/25/2024 | AstraZeneca Pharmaceuticals LP | — | Consulting Fee | Cash or cash equivalent | $1,611.00 | General |
| 10/17/2024 | PFIZER INC. | VYNDAMAX (Drug) | Consulting Fee | Cash or cash equivalent | $2,800.00 | General |
| Category: CARDIOVASCULAR | ||||||
| 10/10/2024 | PFIZER INC. | VYNDAQEL (Drug) | Consulting Fee | Cash or cash equivalent | $6,300.00 | General |
| Category: CARDIOVASCULAR | ||||||
| 09/30/2024 | PFIZER INC. | VYNDAQEL (Drug) | — | In-kind items and services | $330.00 | Research |
| Study: TAFAMIDIS MEGLUMINE CLINICAL PUBLICATION PROGRAM • Category: CARDIOVASCULAR | ||||||
| 09/04/2024 | Alnylam Pharmaceuticals Inc. | — | Travel and Lodging | In-kind items and services | $640.79 | General |
| 09/04/2024 | Alnylam Pharmaceuticals Inc. | — | Travel and Lodging | In-kind items and services | $357.68 | General |
| 08/27/2024 | Alnylam Pharmaceuticals Inc. | — | Travel and Lodging | In-kind items and services | $144.66 | General |
| 08/27/2024 | Alnylam Pharmaceuticals Inc. | — | Travel and Lodging | In-kind items and services | $140.16 | General |
| 08/19/2024 | PFIZER INC. | VYNDAQEL (Drug) | 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 | $3,150.00 | General |
| Category: CARDIOVASCULAR | ||||||
| 08/13/2024 | PFIZER INC. | VYNDAQEL (Drug) | 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 | $4,812.00 | General |
| Category: CARDIOVASCULAR | ||||||
| 06/04/2024 | PFIZER INC. | VYNDAQEL (Drug) | Travel and Lodging | Cash or cash equivalent | $404.61 | General |
| Category: CARDIOVASCULAR | ||||||
| 05/30/2024 | PFIZER INC. | VYNDAQEL (Drug) | Travel and Lodging | In-kind items and services | $399.53 | General |
| Category: CARDIOVASCULAR | ||||||
| 05/28/2024 | PFIZER INC. | VYNDAQEL (Drug) | Consulting Fee | Cash or cash equivalent | $3,300.00 | General |
| Category: CARDIOVASCULAR | ||||||
| 04/19/2024 | Alnylam Pharmaceuticals Inc. | — | Consulting Fee | Cash or cash equivalent | $4,935.00 | General |
| 04/19/2024 | Alnylam Pharmaceuticals Inc. | — | Travel and Lodging | Cash or cash equivalent | $298.42 | General |
| 04/19/2024 | Alnylam Pharmaceuticals Inc. | — | Food and Beverage | Cash or cash equivalent | $138.38 | General |
Research Studies & Clinical Trials
| Study Name | Company | Amount | Records |
|---|---|---|---|
| TAFAMIDIS CLINICAL PUBLICATION PROGRAM | PFIZER INC. | $18,660 | 18 |
| T DM1 HIGH RISK EBC PTS WITH RESIDUAL INV DISEASE | Genentech, Inc. | $13,600 | 2 |
| TAFAMIDIS MEGLUMINE CLINICAL PUBLICATION PROGRAM | PFIZER INC. | $8,090 | 9 |
| VYNDAQEL CLINICAL PUBLICATION PROGRAM | PFIZER INC. | $4,470 | 3 |
| VYNDAMAX CLINICAL PUBLICATION PROGRAM | PFIZER INC. | $3,200 | 1 |
| Twelve Pilot Study | Medtronic Vascular, Inc. | $2,750 | 3 |
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 14 | 705 | 1,092 | $535,690 | $112,630 |
| 2022 | 15 | 714 | 1,235 | $769,597 | $134,002 |
| 2021 | 14 | 729 | 1,193 | $637,819 | $121,951 |
| 2020 | 14 | 757 | 1,260 | $648,058 | $126,582 |
Total Patients
2,905
Total Services
4,780
Medicare Billing
$495,165
Procedure Codes
58
All Medicare Procedures & Services
58 procedure records from CMS Medicare Utilization — Page 3 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99238 | Hospital discharge day management, 30 minutes or less | Facility | 2020 | 58 | 61 | $16,226 | $4,067 | 25.1% |
| 99214 | Established patient office or other outpatient, visit typically 25 minutes | Office | 2020 | 45 | 45 | $34,577 | $3,281 | 9.5% |
| 93295 | Remote evaluations of defibrillator up to 90 days with analysis, review and report | Facility | 2020 | 51 | 92 | $22,172 | $3,132 | 14.1% |
| 99236 | Hospital observation or inpatient care high severity, 55 minutes per day | Facility | 2020 | 11 | 11 | $9,636 | $2,220 | 23.0% |
| 93284 | Evaluation, testing and programming adjustment of defibrillator with analysis, review and report | Facility | 2020 | 24 | 32 | $10,496 | $1,628 | 15.5% |
| 93283 | Evaluation, testing and programming adjustment of defibrillator with analysis, review and report | Facility | 2020 | 23 | 30 | $7,920 | $1,451 | 18.3% |
| 0298T | Review and interpretation of external ekg recording for more than 48 hours up to 21 days | Facility | 2020 | 23 | 23 | $5,758 | $521.92 | 9.1% |
| 93289 | Evaluation of defibrillator including connection, recording and disconnection | Facility | 2020 | 12 | 13 | $2,158 | $466.83 | 21.6% |
About Dr. Ronald Witteles, MD
Dr. Ronald Witteles, MD is a Internal Medicine healthcare provider based in Stanford, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 02/20/2007. The National Provider Identifier (NPI) number assigned to this provider is 1285779389.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Ronald Witteles, MD has received a total of $268,741 in payments from pharmaceutical and medical device companies, with $57,566 received in 2024. These payments were reported across 150 transactions from 11 companies. The most common payment nature is "Consulting Fee" ($119,627).
As a Medicare-enrolled provider, Witteles has provided services to 2,905 Medicare beneficiaries, totaling 4,780 services with total Medicare billing of $495,165. Data is available for 4 years (2020–2023), covering 58 distinct procedure/service records.
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Practice Information
- Specialty Internal Medicine
- Other Specialties Cardiovascular Disease, Advanced Heart Failure and Transplant Cardiology
- Location Stanford, CA
- Active Since 02/20/2007
- Last Updated 04/26/2024
- Taxonomy Code 207R00000X
- Entity Type Individual
- NPI Number 1285779389
Products in Payments
- VYNDAQEL (Drug) $94,402
- VYNDAMAX (Drug) $17,424
- Herceptin (Biological) $13,600
- ONPATTRO (Drug) $11,351
- DARZALEX (Drug) $1,768
- Reveal LINQ (Device) $153.02
- LOKELMA (Drug) $129.93
- WAINUA (Drug) $127.50
- AMVUTTRA (Drug) $125.00
- XARELTO (Drug) $111.39
- TEGSEDI (Drug) $93.25
- 3F (Device) $21.75
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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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