Dr. Siddharth Agarwal, M.D.
What this data tells you about Dr. Agarwal
Dr. Siddharth Agarwal is a surgery specialist in Oxnard, CA, with 18 years of NPI registration. Based on federal Medicare data, Dr. Agarwal performed 540 Medicare services across 413 unique beneficiaries.
Between the years covered by Open Payments, Dr. Agarwal received a total of $13,787 from 25 pharmaceutical and/or device companies across 181 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in surgery. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Agarwal is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
307 | $72 | $154 |
| Initial hospital admission, moderate complexity Initial hospital inpatient or observation care for a new patient involving moderate-level medical decision making, with at least 55 minutes total time on the date of the encounter. |
52 | $100 | $329 |
| Office visit, established patient (10-19 min) An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition. |
39 | $44 | $98 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
29 | $104 | $226 |
| Hospital follow-up visit, moderate complexity Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service. |
28 | $63 | $169 |
| Hospital follow-up visit, low complexity Follow-up hospital visit for an established patient with straightforward or low-level medical decision making. The visit requires at least 25 minutes of time spent on the day of service. |
21 | $39 | $121 |
| Telephone or electronic consultation, at least 5 minutes A remote assessment and management service provided by a consulting physician via telephone, internet, or electronic health record. The service requires at least 5 minutes of time and includes a written report. |
20 | $28 | $129 |
| Initial hospital admission, high complexity Initial hospital inpatient or observation care for a new patient involving high-level medical decision making, with at least 75 minutes total time on the date of the encounter. |
17 | $138 | $404 |
| Balloon dilation of leg artery A procedure to widen a narrowed or blocked artery in the leg using a balloon catheter to restore blood flow. |
14 | $207 | $1,690 |
| Balloon angioplasty of leg artery, initial vessel A procedure to widen a narrowed or blocked artery in the leg using a balloon catheter. This is performed on the first vessel treated during the session. |
13 | $318 | $2,040 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Most payments (96%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
3.2 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Agarwal is a clinical cardiology specialist, with above-average Medicare volume (top 19% in CA), with low-engagement industry engagement in the top 18% of CA peers, with 18 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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