Internal Medicine in Colton, California
Data updated monthly · Last refresh September 2026
68 Internal Medicine providers practice in Colton, and 47% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Colton
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. Raffi Gharakhanian, DO Dr. Ramiz AlchiColton, CA · No drug or device payments recorded (2025) ·
(619) 873-8464 Dr. Roy Lung, MDColton, CA · No drug or device payments recorded (2025) ·
(909) 580-1000 Dr. Sean Shargh, D.O.Colton, CA · No drug or device payments recorded (2025) ·
(909) 580-6266 Dr. Shahrukh MohsinColton, CA · No drug or device payments recorded (2025) ·
(909) 580-1000 Dr. Shawn Koh, M.D.Colton, CA · No drug or device payments recorded (2025) ·
(909) 580-1000 Dr. Sondos BadranColton, CA · No drug or device payments recorded (2025) ·
(909) 580-1000 Dr. Sunita Hassamal, M.D.Colton, CA · No drug or device payments recorded (2025) ·
(909) 580-1000 Dr. Sylvia Li, DOColton, CA · No drug or device payments recorded (2025) ·
(909) 580-1000 Dr. Terrence Tan, D.O.Colton, CA · No drug or device payments recorded (2025) ·
(909) 580-6275 Dr. Tiffany Chang, DOColton, CA · No drug or device payments recorded (2025) ·
(909) 580-6343 Dr. Timothy Yaopruke, DOColton, CA · No drug or device payments recorded (2025) ·
(909) 580-1000 Dr. Veerpal SondColton, CA · No drug or device payments recorded (2025) ·
(909) 580-1000 Conditions Internal Medicine providers in Colton, 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 Colton, California?There are 68 Internal Medicine providers with active NPI records practicing in Colton, according to federal NPPES data refreshed monthly.
How many Internal Medicine providers in Colton received drug or device company payments?32 of 68 (47%) 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 Colton treat?Internal Medicine providers in Colton 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 Colton Internal Medicine across California