Internal Medicine in Oxnard, California
Data updated monthly · Last refresh September 2026
44 Internal Medicine providers practice in Oxnard, and 55% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Oxnard
Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Ananda Ananda, M.D,Oxnard, CA · No drug or device payments recorded (2025) ·
(805) 984-0144 Dr. Anuradha Maganti, M.D.Oxnard, CA · No drug or device payments recorded (2025) ·
(805) 512-2777 Dr. Bernard Mcdermott, D.O.Oxnard, CA · No drug or device payments recorded (2025) ·
(805) 983-2234 Dr. Charles Avery, M.D.Oxnard, CA · No drug or device payments recorded (2025) ·
(805) 981-9111 Dr. Christopher Brana, M.D.Oxnard, CA · $1,694 in drug and device payments (2025) · Telehealth ·
(805) 983-0425 Dr. Dorothea Clayton, M.D.Oxnard, CA · $423 in drug and device payments (2025) · Telehealth ·
(805) 985-5505 Dr. Ginger Schechter, M.D.Oxnard, CA · No drug or device payments recorded (2025) ·
(805) 981-3770 Dr. Grace HunterOxnard, CA · No drug or device payments recorded (2025) ·
(802) 204-9520 Dr. Irina TuchinskyOxnard, CA · No drug or device payments recorded (2025) ·
(805) 988-2505 Dr. Jasjot Vermani, MDOxnard, CA · No drug or device payments recorded (2025) ·
(805) 988-2500 Dr. Jeffrey Kopstein, DOOxnard, CA · $21 in drug and device payments (2025) · Telehealth ·
(805) 988-2500 Dr. Jennifer Sisco, MDOxnard, CA · No drug or device payments recorded (2025) ·
(000) 000-0000 Dr. Liz Diaz-querol, MDOxnard, CA · No drug or device payments recorded (2025) ·
(888) 515-3500 Dr. Manuela Venturoni, MDOxnard, CA · No drug or device payments recorded (2025) ·
(805) 843-4248 Dr. Megan Mescher-cox, D.O.Oxnard, CA · $264 in drug and device payments (2025) · Telehealth ·
(805) 485-7877 Dr. Mohamud Qadi, MD, MPHOxnard, CA · No drug or device payments recorded (2025) ·
(805) 330-8680 Dr. Myo Min, M.DOxnard, CA · No drug or device payments recorded (2025) ·
(805) 988-2500 Dr. Paul Cisarik, MDOxnard, CA · $953 in drug and device payments (2025) · Telehealth ·
(805) 981-3770 Dr. Richard Brand, MDOxnard, CA · No drug or device payments recorded (2025) ·
(805) 983-0425 Dr. Richard Nguyen, M.D.Oxnard, CA · $102 in drug and device payments (2025) · Telehealth ·
(805) 485-9123 Dr. Robert Fell, M.D.Oxnard, CA · No drug or device payments recorded (2025) ·
(805) 988-2500 Dr. Romany Demian, M.D.Oxnard, CA · $1,004 in drug and device payments (2025) · Telehealth ·
(805) 483-2500 Dr. Rukmini Enjamuri, MDOxnard, CA · No drug or device payments recorded (2025) ·
(805) 983-0521 Dr. Scott Underwood, D.O.Oxnard, CA · $44 in drug and device payments (2025) · Telehealth ·
(805) 981-5151 Dr. Seiya Tokunaga, DOOxnard, CA · No drug or device payments recorded (2025) ·
(805) 988-2505 Dr. Sergio Neira, M.D.Oxnard, CA · $2,726 in drug and device payments (2025) ·
(805) 981-8300 Dr. Shiu Man Lee, M.D.Oxnard, CA · No drug or device payments recorded (2025) ·
(805) 486-1914 Dr. Sukhpreet Walia, M.D.Oxnard, CA · $1,952 in drug and device payments (2025) ·
(805) 983-0521 Dr. Tessa Shuler, FNP-COxnard, CA · $1,240 in drug and device payments (2025) · Telehealth ·
(805) 983-0425 Dr. Victor Alcocer, M.D.Oxnard, CA · $2,638 in drug and device payments (2025) · Telehealth ·
(805) 981-8300 Dr. William Rajala, M.D.Oxnard, CA · No drug or device payments recorded (2025) ·
(805) 988-8100 Dr. Yvonne Sanchez, MDOxnard, CA · No drug or device payments recorded (2025) ·
(805) 604-1216 Conditions Internal Medicine providers in Oxnard, California commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
Common questions
How many Internal Medicine providers are in Oxnard, California?There are 44 Internal Medicine providers with active NPI records practicing in Oxnard, according to federal NPPES data refreshed monthly.
How many Internal Medicine providers in Oxnard received drug or device company payments?24 of 44 (55%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Internal Medicine providers in Oxnard treat?Internal Medicine providers in Oxnard commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
All specialties in Oxnard Internal Medicine across California