Total Payments
$112,998
2024 Payments
$76,704
Companies
43
Transactions
628
Medicare Patients
9,922
Medicare Billing
$1.2M
Payment Breakdown by Category
Other$82,300 (72.8%)
Travel$15,549 (13.8%)
Food & Beverage$15,118 (13.4%)
Consulting$21.52 (0.0%)
Education$9.09 (0.0%)
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 | $82,300 | 43 | 72.8% |
| Travel and Lodging | $15,549 | 38 | 13.8% |
| Food and Beverage | $15,118 | 545 | 13.4% |
| Consulting Fee | $21.52 | 1 | 0.0% |
| Education | $9.09 | 1 | 0.0% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Phathom Pharmaceuticals, Inc. | $74,923 | 108 | $0 (2024) |
| Synergy Pharmaceuticals Inc | $18,283 | 37 | $0 (2018) |
| Allergan Inc. | $8,269 | 36 | $0 (2019) |
| ABBVIE INC. | $2,894 | 147 | $0 (2024) |
| Boston Scientific Corporation | $1,439 | 16 | $0 (2024) |
| Endogastric Solutions, Inc | $1,306 | 5 | $0 (2024) |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | $869.72 | 51 | $0 (2024) |
| Ferring Pharmaceuticals Inc. | $506.48 | 25 | $0 (2024) |
| Janssen Biotech, Inc. | $483.76 | 21 | $0 (2024) |
| Celgene Corporation | $444.71 | 30 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $76,704 | 185 | Phathom Pharmaceuticals, Inc. ($74,923) |
| 2023 | $1,456 | 65 | ABBVIE INC. ($229.15) |
| 2022 | $1,734 | 63 | ABBVIE INC. ($568.57) |
| 2021 | $993.38 | 56 | AbbVie Inc. ($387.47) |
| 2020 | $2,149 | 37 | Endogastric Solutions, Inc ($1,197) |
| 2019 | $1,673 | 62 | Boston Scientific Corporation ($677.34) |
| 2018 | $11,920 | 91 | Synergy Pharmaceuticals Inc ($10,347) |
| 2017 | $16,367 | 69 | Synergy Pharmaceuticals Inc ($7,936) |
All Payment Transactions
628 individual payment records from CMS Open Payments — Page 1 of 26
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/23/2024 | Salix Pharmaceuticals, a division of Bausch Health US, LLC | XIFAXAN (Drug) | Food and Beverage | In-kind items and services | $24.16 | General |
| Category: Gastroenterology | ||||||
| 12/18/2024 | ABBVIE INC. | CREON (Drug), VIBERZI, LINZESS | Food and Beverage | In-kind items and services | $11.88 | General |
| Category: ENDOCRINOLOGY | ||||||
| 12/11/2024 | Phathom Pharmaceuticals, Inc. | VOQUEZNA (Drug) | Travel and Lodging | Cash or cash equivalent | $145.20 | General |
| Category: GASTROENTEROLOGY | ||||||
| 12/04/2024 | Phathom Pharmaceuticals, Inc. | VOQUEZNA (Drug) | Food and Beverage | In-kind items and services | $6.04 | General |
| Category: GASTROENTEROLOGY | ||||||
| 11/26/2024 | Phathom Pharmaceuticals, Inc. | VOQUEZNA (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 | $2,150.00 | General |
| Category: GASTROENTEROLOGY | ||||||
| 11/21/2024 | ABBVIE INC. | MAVYRET (Drug) | Food and Beverage | In-kind items and services | $28.12 | General |
| Category: VIROLOGY | ||||||
| 11/20/2024 | Phathom Pharmaceuticals, Inc. | VOQUEZNA (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 | $1,720.00 | General |
| Category: GASTROENTEROLOGY | ||||||
| 11/19/2024 | Phathom Pharmaceuticals, Inc. | VOQUEZNA (Drug) | Food and Beverage | In-kind items and services | $124.95 | General |
| Category: GASTROENTEROLOGY | ||||||
| 11/19/2024 | Ferring Pharmaceuticals Inc. | REBYOTA (Biological) | Food and Beverage | In-kind items and services | $16.70 | General |
| Category: GASTROENTEROLOGY | ||||||
| 11/19/2024 | ABBVIE INC. | SKYRIZI (Biological), RINVOQ | Food and Beverage | In-kind items and services | $8.49 | General |
| Category: IMMUNOLOGY | ||||||
| 11/13/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $125.00 | General |
| Category: Immunology | ||||||
| 11/13/2024 | Phathom Pharmaceuticals, Inc. | VOQUEZNA (Drug) | Travel and Lodging | Cash or cash equivalent | $61.55 | General |
| Category: GASTROENTEROLOGY | ||||||
| 11/13/2024 | Phathom Pharmaceuticals, Inc. | VOQUEZNA (Drug) | Food and Beverage | In-kind items and services | $35.01 | General |
| Category: GASTROENTEROLOGY | ||||||
| 11/13/2024 | Janssen Biotech, Inc. | TREMFYA (Drug) | Food and Beverage | In-kind items and services | $12.59 | General |
| Category: Immunology | ||||||
| 11/07/2024 | Janssen Biotech, Inc. | TREMFYA (Drug) | Food and Beverage | In-kind items and services | $36.87 | General |
| Category: Immunology | ||||||
| 11/06/2024 | Phathom Pharmaceuticals, Inc. | VOQUEZNA (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 | $2,150.00 | General |
| Category: GASTROENTEROLOGY | ||||||
| 11/06/2024 | Madrigal Pharmaceuticals | REZDIFFRA (Drug) | Food and Beverage | In-kind items and services | $147.16 | General |
| Category: LIVER DISEASE | ||||||
| 11/06/2024 | Salix Pharmaceuticals, a division of Bausch Health US, LLC | XIFAXAN (Drug) | Food and Beverage | In-kind items and services | $13.09 | General |
| Category: Gastroenterology | ||||||
| 10/30/2024 | Phathom Pharmaceuticals, Inc. | VOQUEZNA (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 | $2,150.00 | General |
| Category: GASTROENTEROLOGY | ||||||
| 10/30/2024 | Phathom Pharmaceuticals, Inc. | VOQUEZNA (Drug) | Travel and Lodging | In-kind items and services | $1,150.74 | General |
| Category: GASTROENTEROLOGY | ||||||
| 10/30/2024 | Phathom Pharmaceuticals, Inc. | VOQUEZNA (Drug) | Food and Beverage | In-kind items and services | $45.40 | General |
| Category: GASTROENTEROLOGY | ||||||
| 10/30/2024 | Lilly USA, LLC | OMVOH (Drug) | Food and Beverage | In-kind items and services | $23.55 | General |
| Category: Immunology | ||||||
| 10/24/2024 | Janssen Biotech, Inc. | TREMFYA (Drug) | Food and Beverage | In-kind items and services | $27.92 | General |
| Category: Immunology | ||||||
| 10/23/2024 | Phathom Pharmaceuticals, Inc. | VOQUEZNA (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 | $2,150.00 | General |
| Category: GASTROENTEROLOGY | ||||||
| 10/23/2024 | Phathom Pharmaceuticals, Inc. | VOQUEZNA (Drug) | Travel and Lodging | In-kind items and services | $1,056.92 | General |
| Category: GASTROENTEROLOGY | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 22 | 2,417 | 3,357 | $728,942 | $291,122 |
| 2022 | 21 | 2,454 | 3,440 | $774,807 | $304,003 |
| 2021 | 23 | 2,585 | 3,791 | $842,217 | $332,095 |
| 2020 | 24 | 2,466 | 3,677 | $790,343 | $294,684 |
Total Patients
9,922
Total Services
14,265
Medicare Billing
$1.2M
Procedure Codes
90
All Medicare Procedures & Services
90 procedure records from CMS Medicare Utilization — Page 1 of 4
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | Office | 2023 | 313 | 731 | $125,001 | $39,819 | 31.9% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 371 | 519 | $75,255 | $33,379 | 44.4% |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Facility | 2023 | 145 | 145 | $72,500 | $30,992 | 42.7% |
| 88312 | Special stained specimen slides to identify organisms including interpretation and report | Office | 2023 | 142 | 245 | $41,895 | $21,262 | 50.7% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 164 | 194 | $32,980 | $18,244 | 55.3% |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Facility | 2023 | 133 | 134 | $33,500 | $17,943 | 53.6% |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2023 | 214 | 219 | $68,328 | $16,772 | 24.5% |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Facility | 2023 | 109 | 174 | $26,100 | $16,300 | 62.5% |
| 88313 | Special stained specimen slides to examine tissue including interpretation and report | Office | 2023 | 156 | 249 | $42,579 | $15,695 | 36.9% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 125 | 125 | $31,250 | $15,282 | 48.9% |
| 88360 | Microscopic genetic analysis of tumor, manual | Office | 2023 | 79 | 129 | $22,059 | $11,750 | 53.3% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2023 | 140 | 140 | $28,000 | $10,661 | 38.1% |
| 45380 | Biopsy of large bowel using a flexible endoscope | Facility | 2023 | 54 | 54 | $28,944 | $6,706 | 23.2% |
| 43248 | Insertion of guide wire with dilation of esophagus using a flexible endoscope | Facility | 2023 | 51 | 52 | $18,200 | $6,579 | 36.2% |
| G0105 | Colorectal cancer screening; colonoscopy on individual at high risk | Facility | 2023 | 32 | 32 | $17,600 | $5,894 | 33.5% |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | Office | 2023 | 53 | 71 | $12,141 | $5,508 | 45.4% |
| 91035 | Monitoring and recording of esophageal function through a capsule attached to the esophagus wall | Office | 2023 | 14 | 15 | $12,750 | $5,379 | 42.2% |
| G0121 | Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Facility | 2023 | 25 | 25 | $13,750 | $4,409 | 32.1% |
| 76700 | Complete ultrasound scan of abdomen | Office | 2023 | 34 | 41 | $9,922 | $3,508 | 35.4% |
| 76981 | Ultrasound scan of organ tissue for measuring elasticity | Office | 2023 | 38 | 38 | $5,700 | $2,935 | 51.5% |
| 45378 | Diagnostic exam of large bowel using a flexible endoscope | Facility | 2023 | 14 | 14 | $4,900 | $1,965 | 40.1% |
| 45381 | Injection beneath lining of large bowel using a flexible endoscope | Facility | 2023 | 11 | 11 | $5,588 | $140.14 | 2.5% |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | Office | 2022 | 337 | 829 | $141,759 | $45,361 | 32.0% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 340 | 536 | $77,720 | $34,027 | 43.8% |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Facility | 2022 | 152 | 153 | $76,500 | $31,800 | 41.6% |
About Dr. Siddharth Mathur, MD
Dr. Siddharth Mathur, MD is a Internal Medicine healthcare provider based in Crystal River, Florida. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 07/24/2008. The National Provider Identifier (NPI) number assigned to this provider is 1578728986.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Siddharth Mathur, MD has received a total of $112,998 in payments from pharmaceutical and medical device companies, with $76,704 received in 2024. These payments were reported across 628 transactions from 43 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" ($82,300).
As a Medicare-enrolled provider, Mathur has provided services to 9,922 Medicare beneficiaries, totaling 14,265 services with total Medicare billing of $1.2M. Data is available for 4 years (2020–2023), covering 90 distinct procedure/service records.
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Practice Information
- Specialty Internal Medicine
- Other Specialties Gastroenterology
- Location Crystal River, FL
- Active Since 07/24/2008
- Last Updated 02/18/2014
- Taxonomy Code 207R00000X
- Entity Type Individual
- Practice Solo Practitioner
- NPI Number 1578728986
Products in Payments
- VOQUEZNA (Drug) $74,923
- Trulance (Drug) $18,283
- LINZESS (Drug) $5,885
- VIBERZI (Drug) $2,923
- ESOPHYX (Device) $1,306
- RESOLUTION CLIP (Device) $701.53
- XIFAXAN (Drug) $617.33
- ZEPOSIA (Drug) $501.51
- GENERAL - POLYPECTOMY (Device) $406.39
- ENTYVIO (Biological) $382.49
- STELARA (Biological) $336.68
- MAVYRET (Drug) $300.07
- Humira (Biological) $269.95
- ZENPEP (Drug) $267.36
- Mavyret (Drug) $256.35
- CREON (Drug) $255.21
- XELJANZ (Drug) $242.16
- HUMIRA (Biological) $209.46
- SKYRIZI (Biological) $189.77
- CLENPIQ (Drug) $180.07
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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