Internal Medicine in Simi Valley, California
Data updated monthly · Last refresh September 2026
25 Internal Medicine providers practice in Simi Valley, and 44% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Simi Valley
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. Abdol Memar-zia, MDSimi Valley, CA · $20 in drug and device payments (2025) · Telehealth ·
(805) 527-6666 Dr. Anthony Phan, M.D.Simi Valley, CA · No drug or device payments recorded (2025) ·
(805) 526-3213 Dr. Arin Abramian, NPSimi Valley, CA · $559 in drug and device payments (2025) ·
(805) 915-4440 Dr. Brent Trompetto, MDSimi Valley, CA · No drug or device payments recorded (2025) ·
(805) 210-7280 Dr. Chandrashekhar Joshi, MDSimi Valley, CA · $62 in drug and device payments (2025) ·
(805) 522-3782 Dr. Charles Kennedy, MDSimi Valley, CA · No drug or device payments recorded (2025) ·
(805) 217-6724 Dr. Cho May, M.DSimi Valley, CA · No drug or device payments recorded (2025) ·
(626) 944-5144 Dr. Edward Posvar, M.D.Simi Valley, CA · No drug or device payments recorded (2025) ·
(805) 501-7578 Dr. Farridah Shafiee, D.O.Simi Valley, CA · $73 in drug and device payments (2025) · Telehealth ·
(805) 210-2424 Dr. Gabriela Rodriguez MelgozaSimi Valley, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 583-7640 Dr. George Dichter, M.D.Simi Valley, CA · No drug or device payments recorded (2025) ·
(805) 527-6424 Dr. Gurdip Flora, M.DSimi Valley, CA · $146 in drug and device payments (2025) ·
(805) 583-4111 Dr. Harris Wasser, MDSimi Valley, CA · No drug or device payments recorded (2025) ·
(805) 522-4004 Dr. Jasbir Tiwana, M.DSimi Valley, CA · $70 in drug and device payments (2025) ·
(951) 278-5590 Dr. Jee Hoon Jang, MDSimi Valley, CA · $31 in drug and device payments (2025) ·
(805) 522-5722 Dr. Jenna Gharzeddine, MDSimi Valley, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 527-6424 Dr. Kevin Colwell, M.D.Simi Valley, CA · No drug or device payments recorded (2025) · Telehealth ·
(888) 515-3500 Dr. Maria Garcia-jimenez, MDSimi Valley, CA · No drug or device payments recorded (2025) ·
(805) 583-7640 Dr. Mojgan Makhsoosi, M.D. INC.Simi Valley, CA · $563 in drug and device payments (2025) · Telehealth ·
(805) 915-0315 Dr. Ronald Omino, M.D.Simi Valley, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 583-7640 Dr. Sangkyu Noh, DOSimi Valley, CA · $53 in drug and device payments (2025) ·
(805) 955-6000 Dr. Smita Mandal, M.D.Simi Valley, CA · $74 in drug and device payments (2025) ·
(805) 582-4000 Dr. William Lee, MDSimi Valley, CA · $1,691 in drug and device payments (2025) · Telehealth ·
(818) 726-1930 Dr. William Matzner, M.D., PH.D.Simi Valley, CA · No drug or device payments recorded (2025) ·
(805) 578-7000 Dr. Yuvraj Brar, MDSimi Valley, CA · No drug or device payments recorded (2025) ·
(805) 955-6000 Conditions Internal Medicine providers in Simi Valley, 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 Simi Valley, California?There are 25 Internal Medicine providers with active NPI records practicing in Simi Valley, according to federal NPPES data refreshed monthly.
How many Internal Medicine providers in Simi Valley received drug or device company payments?11 of 25 (44%) 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 Simi Valley treat?Internal Medicine providers in Simi Valley 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 Simi Valley Internal Medicine across California