Internal Medicine in Thousand Oaks, California
Data updated monthly · Last refresh September 2026
63 Internal Medicine providers practice in Thousand Oaks, and 43% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Thousand Oaks
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. Setrak Manouk AzrenkassianThousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 497-2727 Dr. Shalra YousufiThousand Oaks, CA · No drug or device payments recorded (2025) · Telehealth ·
(888) 515-3500 Dr. Siamac Salehy, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 497-2727 Dr. Sieglinde Morrent-swerdlow, MDThousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 297-3835 Dr. Sonia Monga, M.D.Thousand Oaks, CA · $1,154 in drug and device payments (2025) · Telehealth ·
(805) 495-1066 Dr. Steven Mccarthy, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 418-3500 Dr. Theodore Okerson, M.D.Thousand Oaks, CA · $123 in drug and device payments (2025) ·
(805) 447-9105 Dr. Trevor Owens, DOThousand Oaks, CA · $52 in drug and device payments (2025) ·
(805) 497-2727 Dr. Virginia Perez Andreu, MD PHDThousand Oaks, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 309-0525 Dr. William Coburn, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 495-0455 Dr. Yasimin TaheriThousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 370-4733 Dr. Ziad Abdullatif, D.O.Thousand Oaks, CA · $30 in drug and device payments (2025) ·
(805) 852-9229 Dr. Zoya Furman, M.D.Thousand Oaks, CA · $2,776 in drug and device payments (2025) ·
(805) 494-8520 Conditions Internal Medicine providers in Thousand Oaks, 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 Thousand Oaks, California?There are 63 Internal Medicine providers with active NPI records practicing in Thousand Oaks, according to federal NPPES data refreshed monthly.
How many Internal Medicine providers in Thousand Oaks received drug or device company payments?27 of 63 (43%) 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 Thousand Oaks treat?Internal Medicine providers in Thousand Oaks 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 Thousand Oaks Internal Medicine across California
