Medical Oncology in Duarte, California
Data updated monthly · Last refresh September 2026
49 Medical Oncology providers practice in Duarte, and 73% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Medical Oncology providers in Duarte
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. Abhishek Tripathi, M.D.Duarte, CA · $591 in drug and device payments (2025) · Telehealth ·
(626) 256-4673 Dr. Adam Rock, M.D.Duarte, CA · $1,797 in drug and device payments (2025) · Telehealth ·
(626) 256-4673 Dr. Aditya Shreenivas, MDDuarte, CA · $2,514 in drug and device payments (2025) · Telehealth ·
(626) 256-4673 Dr. Alexander Chehrazi-raffle, M.D.Duarte, CA · $12,916 in drug and device payments (2025) · Telehealth ·
(626) 256-4673 Dr. Amanda Reyes, M.D.Duarte, CA · $2,089 in drug and device payments (2025) · Telehealth ·
(800) 826-4673 Dr. Anh PhamDuarte, CA · $28 in drug and device payments (2025) · Telehealth ·
(626) 359-8111 Dr. Cathie Chung, M.D.Duarte, CA · No drug or device payments recorded (2025) ·
(626) 256-4673 Dr. Christine Lovly, MD, PHDDuarte, CA · $108,410 in drug and device payments (2025) · Telehealth ·
(626) 256-4673 Dr. Cy Stein, MDDuarte, CA · No drug or device payments recorded (2025) ·
(626) 471-3890 Dr. Daneng Li, M.D.Duarte, CA · $37,172 in drug and device payments (2025) · Telehealth ·
(626) 256-4673 Dr. Dani Castillo, MDDuarte, CA · $23,927 in drug and device payments (2025) · Telehealth ·
(626) 256-4673 Dr. Dean Lim, MDDuarte, CA · No drug or device payments recorded (2025) ·
(626) 359-8111 Dr. Erminia Massarelli, MDDuarte, CA · $21,677 in drug and device payments (2025) ·
(626) 775-3514 Dr. Hannah Chang, MDDuarte, CA · $1,532 in drug and device payments (2025) · Telehealth ·
(800) 826-4673 Dr. Howard West, MDDuarte, CA · No drug or device payments recorded (2025) ·
(626) 256-4673 Dr. James Godfrey, MDDuarte, CA · No drug or device payments recorded (2025) · Telehealth ·
(626) 256-4673 Dr. James Waisman, M.DDuarte, CA · No drug or device payments recorded (2025) ·
(626) 359-8111 Dr. Jana Portnow, MDDuarte, CA · No drug or device payments recorded (2025) · Telehealth ·
(626) 471-9200 Dr. Joanne Mortimer, M.D.Duarte, CA · $24,997 in drug and device payments (2025) · Telehealth ·
(626) 359-8111 Dr. Karen Reckamp, MDDuarte, CA · $24,576 in drug and device payments (2025) · Telehealth ·
(626) 359-8111 Dr. Lauren AntrimDuarte, CA · $221 in drug and device payments (2025) · Telehealth ·
(800) 826-4673 Dr. Leah Naghi, MDDuarte, CA · $225 in drug and device payments (2025) · Telehealth ·
(177) 986-2578 Dr. Lee Cranmer, MD, PHDDuarte, CA · $6,475 in drug and device payments (2025) · Telehealth ·
(800) 826-4673 Dr. Linda Bosserman, M.D., F.A.C.PDuarte, CA · $1,848 in drug and device payments (2025) · Telehealth ·
(626) 256-4673 Dr. Louisa Liu, MDDuarte, CA · $1,344 in drug and device payments (2025) ·
(800) 826-4673 Dr. Lucille Leong, MDDuarte, CA · No drug or device payments recorded (2025) ·
(626) 359-8111 Dr. Manana Elia, M.D.Duarte, CA · No drug or device payments recorded (2025) · Telehealth ·
(626) 256-4673 Dr. Marianna Koczywas, MDDuarte, CA · No drug or device payments recorded (2025) ·
(626) 359-8111 Dr. Marwan Fakih, MDDuarte, CA · $34,315 in drug and device payments (2025) · Telehealth ·
(626) 359-8111 Dr. Matthew Lee, MDDuarte, CA · $15,881 in drug and device payments (2025) · Telehealth ·
(800) 826-4673 Dr. Melanie Palomares, MD Dr. Molly Diaz, PA-CDuarte, CA · $81 in drug and device payments (2025) · Telehealth ·
(626) 256-4673 Dr. Mykola Onyshchenko, MD, PHDDuarte, CA · $149 in drug and device payments (2025) · Telehealth ·
(626) 256-4673 Dr. Nikhila Kethireddy, M.D.Duarte, CA · $313 in drug and device payments (2025) · Telehealth ·
(626) 256-4673 Dr. Ramya Muddasani, D.O.Duarte, CA · $221 in drug and device payments (2025) · Telehealth ·
(626) 256-4673 Dr. Ravi Salgia, MD,PHDDuarte, CA · No drug or device payments recorded (2025) · Telehealth ·
(626) 218-3712 Dr. Roberto Rodriguez, MD Dr. Sharonlin Bhardwaj, M.D.Duarte, CA · $255 in drug and device payments (2025) · Telehealth ·
(626) 256-4673 Dr. Sumanta Pal, MDDuarte, CA · $1,010 in drug and device payments (2025) · Telehealth ·
(626) 359-8111 Dr. Tanya Dorff, M.D.Duarte, CA · $18,953 in drug and device payments (2025) · Telehealth ·
(626) 256-4673 Dr. Thanh Nga Doan, M.D.Duarte, CA · $245 in drug and device payments (2025) · Telehealth ·
(626) 256-4673 Dr. Thehang Luu, MDDuarte, CA · No drug or device payments recorded (2025) ·
(626) 359-8111 Dr. Tiffany Kaul, MD, PHD Dr. Victoria SeewaldtDuarte, CA · $2,763 in drug and device payments (2025) ·
(626) 256-4673 Dr. Wenge Wang, M.D., PH.D.Duarte, CA · $983 in drug and device payments (2025) · Telehealth ·
(626) 256-4673 Dr. Yan Xing, MDDuarte, CA · $196 in drug and device payments (2025) · Telehealth ·
(626) 256-4673 Dr. Yun Yen, MDDuarte, CA · No drug or device payments recorded (2025) ·
(626) 359-8111 Common questions
How many Medical Oncology providers are in Duarte, California?There are 49 Medical Oncology providers with active NPI records practicing in Duarte, according to federal NPPES data refreshed monthly.
How many Medical Oncology providers in Duarte received drug or device company payments?36 of 49 (73%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
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 Duarte Medical Oncology across California