Internal Medicine in Downey, California
Data updated monthly · Last refresh September 2026
114 Internal Medicine providers practice in Downey, and 32% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Downey
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. Kalpana GanesanDowney, CA · No drug or device payments recorded (2025) ·
(562) 401-7611 Dr. Katherine Tuan, M.D.Downey, CA · No drug or device payments recorded (2025) ·
(800) 823-4040 Dr. Kyaw Khaing Soe, M.D.Downey, CA · No drug or device payments recorded (2025) ·
(562) 745-5670 Dr. Kyi San, M.D.Downey, CA · No drug or device payments recorded (2025) ·
(562) 861-8999 Dr. Laura Ryan, M.D.Downey, CA · $1,694 in drug and device payments (2025) · Telehealth ·
(562) 806-0874 Dr. Leonard Rawson, M.D.Downey, CA · No drug or device payments recorded (2025) ·
(562) 319-2085 Dr. Lisa Kerestedjian, M.D.Downey, CA · No drug or device payments recorded (2025) ·
(800) 823-4040 Dr. Lorellen Green, MDDowney, CA · No drug or device payments recorded (2025) ·
(562) 904-5000 Dr. Mandana Shamsa, MDDowney, CA · No drug or device payments recorded (2025) ·
(562) 904-5000 Dr. Mark Talavera, MDDowney, CA · No drug or device payments recorded (2025) ·
(562) 869-4497 Dr. May Kyi, M.DDowney, CA · No drug or device payments recorded (2025) ·
(562) 385-7611 Dr. May Nyein, MDDowney, CA · No drug or device payments recorded (2025) ·
(562) 401-7611 Dr. Michael Chen, M.D.Downey, CA · $69 in drug and device payments (2025) · Telehealth ·
(800) 823-4040 Dr. Mihaela Chelu, M.D.Downey, CA · No drug or device payments recorded (2025) ·
(562) 272-3383 Dr. Nageswari Krishnareddy, MDDowney, CA · No drug or device payments recorded (2025) ·
(562) 803-0124 Dr. Nazar Al-bussam, MDDowney, CA · No drug or device payments recorded (2025) ·
(562) 861-8853 Dr. Neal GodwinDowney, CA · No drug or device payments recorded (2025) ·
(562) 904-5000 Dr. Nicole Cervantes, M.D. Dr. Nikki Park, M.D.Downey, CA · No drug or device payments recorded (2025) ·
(562) 657-2812 Dr. Noa Sakamoto, MDDowney, CA · No drug or device payments recorded (2025) ·
(800) 823-4040 Dr. Pallavi KasukurthiDowney, CA · No drug or device payments recorded (2025) ·
(562) 869-1070 Dr. Paul Gallardo, MDDowney, CA · No drug or device payments recorded (2025) ·
(323) 726-0533 Dr. Raj Balasundaram, M.D.Downey, CA · No drug or device payments recorded (2025) ·
(562) 869-1070 Dr. Rashmi Desai, M.D.Downey, CA · No drug or device payments recorded (2025) ·
(562) 803-0124 Dr. Renuka Patel, M.D.Downey, CA · $72 in drug and device payments (2025) · Telehealth ·
(562) 923-4911 Dr. Reuven Kimmerling, M.D.Downey, CA · No drug or device payments recorded (2025) · Telehealth ·
(562) 461-3000 Dr. Reza Sharafi, M.D.Downey, CA · $168 in drug and device payments (2025) · Telehealth ·
(562) 922-2020 Dr. Ronald Collins, M.D.Downey, CA · No drug or device payments recorded (2025) ·
(562) 657-4060 Dr. Ron Chai, M.D.Downey, CA · No drug or device payments recorded (2025) ·
(562) 803-0124 Dr. Roopa Rajgopal, M.D.,Downey, CA · No drug or device payments recorded (2025) ·
(562) 445-6370 Dr. Ruchi Sareen, M.D.Downey, CA · No drug or device payments recorded (2025) ·
(562) 869-1070 Dr. Safieh GolestanehDowney, CA · No drug or device payments recorded (2025) ·
(562) 869-1089 Dr. Sameer Amin, MDDowney, CA · No drug or device payments recorded (2025) ·
(562) 862-3684 Dr. Sami Edris, MDDowney, CA · No drug or device payments recorded (2025) ·
(562) 869-1070 Dr. Sepideh Chegini, M.D. Dr. Shahryar Davari, MDDowney, CA · No drug or device payments recorded (2025) ·
(702) 453-3799 Dr. Shangida Ahsan, MDDowney, CA · No drug or device payments recorded (2025) ·
(562) 869-1089 Dr. Shaun Singh, DODowney, CA · No drug or device payments recorded (2025) ·
(714) 443-4512 Dr. Shiva Shabnam, M.D.Downey, CA · No drug or device payments recorded (2025) ·
(562) 869-1070 Dr. Sohail Afra, M.D.Downey, CA · No drug or device payments recorded (2025) ·
(562) 657-4958 Dr. Stanley Crittenden, M.D.Downey, CA · No drug or device payments recorded (2025) ·
(562) 862-3684 Conditions Internal Medicine providers in Downey, 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 Downey, California?There are 114 Internal Medicine providers with active NPI records practicing in Downey, according to federal NPPES data refreshed monthly.
How many Internal Medicine providers in Downey received drug or device company payments?37 of 114 (32%) 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 Downey treat?Internal Medicine providers in Downey 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 Downey Internal Medicine across California
