Surgery in Fremont, California
Data updated monthly · Last refresh September 2026
17 Surgery providers practice in Fremont. Listings are drawn from federal public records and are not endorsements.
Surgery providers in Fremont
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. Christine Chu, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 795-3000 Dr. Eric Hahn, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 795-3000 Dr. Hanlon Jen, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 795-3000 Dr. Hoover Wu, MDFremont, CA · $1,045 in drug and device payments (2025) ·
(510) 795-3000 Dr. John Melone, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 795-3000 Dr. Kingsway Liu, MDFremont, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 795-3000 Dr. Kranthi Achanta, M.DFremont, CA · $1,735 in drug and device payments (2025) ·
(510) 248-1450 Dr. Lawrence Dennen, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 795-3000 Dr. Lorraine Weinstein, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 795-3000 Dr. Mark Koransky, MDFremont, CA · $928 in drug and device payments (2025) ·
(510) 490-1222 Dr. Ramesh Karipineni, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 284-4100 Dr. Ramineni Rao, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 795-7706 Dr. Ramsey Araj, MDFremont, CA · $211 in drug and device payments (2025) ·
(510) 248-1450 Dr. Samantha Langer, MDFremont, CA · $152 in drug and device payments (2025) ·
(510) 795-3000 Dr. Sanjoy Dutta, MDFremont, CA · $7,446 in drug and device payments (2025) ·
(510) 795-3000 Dr. William Brown, M.D.Fremont, CA · No drug or device payments recorded (2025) ·
(510) 793-2404 Dr. William Dugoni, MDFremont, CA · $862 in drug and device payments (2025) ·
(510) 248-1450 Common questions
How many Surgery providers are in Fremont, California?There are 17 Surgery providers with active NPI records practicing in Fremont, according to federal NPPES data refreshed monthly.
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 Fremont Surgery across California