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. Amit Monga, MDThousand Oaks, CA · $1,196 in drug and device payments (2025) · Telehealth ·
(805) 870-5282 Dr. Ariel Ahl, MDThousand Oaks, CA · $35 in drug and device payments (2025) ·
(805) 852-9229 Dr. Arpna Patel, MDThousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 418-3500 Dr. Arvin Tunick, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 498-4078 Dr. Bernard Klein, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 374-7600 Dr. Brian Yu, MDThousand Oaks, CA · $169 in drug and device payments (2025) ·
(805) 418-3500 Dr. Cameron Zadeh, MDThousand Oaks, CA · $163 in drug and device payments (2025) ·
(805) 497-2727 Dr. Christina Jacob, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 373-5864 Dr. Corinna Mosher, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 418-3500 Dr. David Pryor, M.D.Thousand Oaks, CA · $157 in drug and device payments (2025) ·
(805) 558-7059 Dr. Diana AlaviThousand Oaks, CA · $40 in drug and device payments (2025) ·
(818) 232-8432 Dr. Dzenana Cabaravdic, MDThousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 497-2727 Dr. Farhad Hashmi, MDThousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 370-4733 Dr. Francoise Menteer, MDThousand Oaks, CA · $54 in drug and device payments (2025) · Telehealth ·
(805) 449-4181 Dr. Franklin Weil, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 495-1066 Dr. George Ishak, M.DThousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 497-2727 Dr. Grant Lawless, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 376-0411 Dr. Harendra Ipalawatte, MDThousand Oaks, CA · $319 in drug and device payments (2025) ·
(805) 497-2727 Dr. Hazel AbayaThousand Oaks, CA · $60 in drug and device payments (2025) ·
(805) 370-4802 Dr. Huma Taqi, MDThousand Oaks, CA · $95 in drug and device payments (2025) ·
(805) 242-4884 Dr. James Modlinger, M.D.Thousand Oaks, CA · $998 in drug and device payments (2025) ·
(805) 375-5801 Dr. Jane Lindberg, MDThousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 497-4545 Dr. Jigar Ghelani, MDThousand Oaks, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 496-6051 Dr. Jinous Etemadi, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) ·
(888) 515-3500 Dr. John Sullivan, MDThousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 447-4429 Dr. Jose-nitram Aliling, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 418-3500 Dr. Joseph Detweiler, MDThousand Oaks, CA · $57 in drug and device payments (2025) ·
(805) 497-2727 Dr. Juan MayaThousand Oaks, CA · $61 in drug and device payments (2025) ·
(484) 639-4784 Dr. Mandana Azar, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 373-7073 Dr. Maneesh Singhal, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) ·
(570) 340-4908 Dr. Manoj Aswani, M.D.Thousand Oaks, CA · $2,600 in drug and device payments (2025) · Telehealth ·
(805) 495-1066 Dr. Marjan Lyons, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 418-3500 Dr. Mehdi Manzari, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) ·
(424) 333-1236 Dr. Mercedeh MirhosseiniThousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 497-2727 Dr. Michelle Kelley, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 418-3500 Dr. Moemen Khattab, MDThousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 852-9218 Dr. Mounir El Fatmi, MDThousand Oaks, CA · $182 in drug and device payments (2025) ·
(201) 658-8265 Dr. Naj NagendranThousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 341-4809 Dr. Nakul Chopra, MD, MPH, MBAThousand Oaks, CA · $497 in drug and device payments (2025) ·
(805) 497-2727 Dr. Nazanin Gunn, M.D., M.H.A.Thousand Oaks, CA · $134 in drug and device payments (2025) · Telehealth ·
(805) 418-3500 Dr. Neema HeivandThousand Oaks, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 418-3500 Dr. Nithyalakshmi NambiarThousand Oaks, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 370-0040 Dr. Pedram Bagheri, MDThousand Oaks, CA · $271 in drug and device payments (2025) ·
(805) 497-1800 Dr. Peter Margolis, M.D.Thousand Oaks, CA · $27 in drug and device payments (2025) ·
(805) 399-2146 Dr. Prasad Nadendla, MDThousand Oaks, CA · $20 in drug and device payments (2025) ·
(805) 370-4733 Dr. Rajul Jain, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 447-4805 Dr. Robert Gold, MDThousand Oaks, CA · No drug or device payments recorded (2025) ·
(818) 404-3200 Dr. Russell Hines, M.D.Thousand Oaks, CA · $1,438 in drug and device payments (2025) ·
(805) 495-1066 Dr. Sadman Zaman, DOThousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 497-2727 Dr. Saro AvedikianThousand Oaks, CA · $4,607 in drug and device payments (2025) ·
(805) 370-4733 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