Siddharth Agarwal, M.D.
Vascular Surgery Physician · Oxnard, CA
Siddharth Agarwal, M.D. is a vascular surgery physician with a practice address in Oxnard, California, and NPI 1407078496, issued on May 2, 2007. Check the license (California A123737, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Siddharth Agarwal
- Credential
- M.D.
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License numbers
- A123737 CA
MT190387 PA
Self-reported in NPPES; status is on the state search - Practice location
- 2841 N Ventura RD, Oxnard, CA 93036
- Phone
- (805) 983-6233
- Enumerated
- May 2, 2007
- Record last updated
- Feb 11, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20121203000496); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 580 in California → Look up another NPI →
Also registered at 2841 N Ventura RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gregory Albaugh, D.O.Vascular Surgery Physician1811936982
- Kevin Major, M.D.Vascular Surgery Physician1457383366
- Karen Quirk, MDVascular Surgery Physician1639363138
Verify Siddharth Agarwal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A123737Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average vascular surgery physician in 2024
253 Medicare Part D claims for 84 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 14 claims were for opioids.
Most prescribed
- Clopidogrel86 claims
- Cilostazol82 claims
- Nortriptyline Hcl22 claims
- Eliquis16 claims
- Hydrocodone-Acetaminophen14 claims
- Doxycycline Hyclate11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $2,698.89
40 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 4,059 providers of this specialty with any payment received $6,178.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 4 group practices
- Aria Vascular A Professional Medical CorporationStockton, CA
- Authority Vascular Surgery IncorporatedFrench Camp, CA
- County OF San JoaquinFrench Camp, CA
- San Joaquin Faculty Medical GroupFrench Camp, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Siddharth Agarwal among 580 vascular surgery physician records in California
Siddharth Agarwal, M.D. is one of 580 vascular surgery physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 40% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2004 · median 2003 among the 411 with a school on file
- Record last updated2016 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in California
There are 580 vascular surgery physician records in California.
All 580 in California → Every provider in Oxnard → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- Gregory Albaugh, D.O.Oxnard, CA 930361811936982
- John Baber, M.D.Oxnard, CA 930361750607453
- Kevin Major, M.D.Oxnard, CA 930361457383366
- Heather Matheny, MDOxnard, CA 930361912403809
- Karen Quirk, MDOxnard, CA 930361639363138
- Stephen Lee, MDOxnard, CA 930351891151684
- David Blitzer, M.D.Ventura, CA 930031275996142
- Sydney Guo, MDVentura, CA 930031619922291
Common questions
What is Siddharth Agarwal, M.D.'s NPI number?
Siddharth Agarwal, M.D.'s National Provider Identifier (NPI) is 1407078496, issued on May 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Siddharth Agarwal, M.D. located?
The NPPES record lists a practice address at 2841 N Ventura RD, Oxnard, CA, 93036. Phone: (805) 983-6233. Providers update this record themselves, so call before visiting.
How can I verify Siddharth Agarwal, M.D.'s license?
NPPES lists California license number A123737, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Siddharth Agarwal, M.D. prescribe under Medicare Part D?
In 2024, Siddharth Agarwal, M.D. had 253 Medicare Part D claims for 84 beneficiaries; the average among vascular surgery physician prescribers was 201. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.