Internal Medicine in Mission Viejo, California
Data updated monthly · Last refresh September 2026
59 Internal Medicine providers practice in Mission Viejo, and 64% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Mission Viejo
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. Adrienne Drake, MDMission Viejo, CA · No drug or device payments recorded (2025) ·
(949) 951-0775 Dr. Afshin Doust, M.D.Mission Viejo, CA · $156 in drug and device payments (2025) ·
(949) 282-1671 Dr. Alyssa Le, M.DMission Viejo, CA · $600 in drug and device payments (2025) ·
(949) 364-6000 Dr. Amy Underwood-jolly, M.D.Mission Viejo, CA · $680 in drug and device payments (2025) · Telehealth ·
(949) 364-6000 Dr. Andrew Truong, MDMission Viejo, CA · $953 in drug and device payments (2025) · Telehealth ·
(949) 364-6000 Dr. Bahareh Khavarian, M.D.Mission Viejo, CA · No drug or device payments recorded (2025) ·
(949) 916-8770 Dr. Bahman Badie, M.D.Mission Viejo, CA · $532 in drug and device payments (2025) · Telehealth ·
(949) 364-6000 Dr. Bruce Seligsohn, M.D.Mission Viejo, CA · $145 in drug and device payments (2025) ·
(949) 588-8775 Dr. Chad Wadell, M.D.Mission Viejo, CA · $786 in drug and device payments (2025) · Telehealth ·
(949) 364-6000 Dr. David Kovacs, MDMission Viejo, CA · $4,524 in drug and device payments (2025) · Telehealth ·
(949) 364-7246 Dr. David Pino, M.D.Mission Viejo, CA · $161 in drug and device payments (2025) ·
(949) 282-1065 Dr. Dennis Haghighat, M.D.Mission Viejo, CA · No drug or device payments recorded (2025) ·
(949) 364-6000 Dr. Diane Zebari, M.D.Mission Viejo, CA · $289 in drug and device payments (2025) ·
(949) 364-5318 Dr. Donald Pratt, M.D.Mission Viejo, CA · $17 in drug and device payments (2025) ·
(949) 364-6000 Dr. Duc Pham, MDMission Viejo, CA · $1,205 in drug and device payments (2025) · Telehealth ·
(949) 364-6000 Dr. Dung Trinh, MDMission Viejo, CA · $49,855 in drug and device payments (2025) ·
(949) 583-1600 Dr. Edgar Wayne, M.D.Mission Viejo, CA · No drug or device payments recorded (2025) ·
(949) 573-9510 Dr. Elizabeth Nieto, M.D.Mission Viejo, CA · $151 in drug and device payments (2025) ·
(949) 364-6000 Dr. Eric Benner, M.D.Mission Viejo, CA · $321 in drug and device payments (2025) · Telehealth ·
(949) 364-6000 Dr. Erik Finlayson, M.D.Mission Viejo, CA · No drug or device payments recorded (2025) ·
(949) 365-2444 Dr. Faramarz Kardan, M.D.Mission Viejo, CA · No drug or device payments recorded (2025) ·
(949) 364-1400 Dr. Farnoosh Yari, M.D.Mission Viejo, CA · No drug or device payments recorded (2025) ·
(949) 521-8215 Dr. Gary Sugarman, M.D.Mission Viejo, CA · No drug or device payments recorded (2025) ·
(949) 582-5430 Dr. Gerald Sugino, M.D.Mission Viejo, CA · $235 in drug and device payments (2025) ·
(949) 365-2444 Dr. Gregory Joy, MDMission Viejo, CA · No drug or device payments recorded (2025) ·
(949) 582-5430 Dr. Helen Chang, MDMission Viejo, CA · No drug or device payments recorded (2025) ·
(949) 588-0051 Dr. Huan Guu, M.D.Mission Viejo, CA · No drug or device payments recorded (2025) ·
(949) 364-1400 Dr. Jae Choi, MDMission Viejo, CA · No drug or device payments recorded (2025) ·
(949) 364-6000 Dr. James Scheppach, M.D.Mission Viejo, CA · No drug or device payments recorded (2025) ·
(949) 364-6000 Dr. Janet Yazdi, M.D.Mission Viejo, CA · $435 in drug and device payments (2025) · Telehealth ·
(949) 364-6000 Dr. Joe Nguyen, M.D.Mission Viejo, CA · $61 in drug and device payments (2025) · Telehealth ·
(949) 364-6000 Dr. Joshua Sugino, DOMission Viejo, CA · $572 in drug and device payments (2025) · Telehealth ·
(949) 364-6000 Dr. Katherine Manasson, M.D.Mission Viejo, CA · $148 in drug and device payments (2025) ·
(949) 348-1085 Dr. Kelly Fordyce, M.D.Mission Viejo, CA · $723 in drug and device payments (2025) · Telehealth ·
(949) 364-6000 Dr. Konstantinos Melahoures, M.D.Mission Viejo, CA · $868 in drug and device payments (2025) ·
(949) 951-7111 Dr. Kuang Cheng Chen, DOMission Viejo, CA · No drug or device payments recorded (2025) ·
(949) 866-3600 Dr. Leslie Lu, MDMission Viejo, CA · $352 in drug and device payments (2025) · Telehealth ·
(949) 364-6000 Dr. Maria Savitt, MDMission Viejo, CA · $152 in drug and device payments (2025) · Telehealth ·
(949) 364-6000 Dr. Mark Hauptman, M.D.Mission Viejo, CA · No drug or device payments recorded (2025) ·
(949) 582-5430 Dr. Mehrnaz Badie, M.D.Mission Viejo, CA · No drug or device payments recorded (2025) · Telehealth ·
(949) 364-6000 Dr. Michael Morris, MDMission Viejo, CA · $120 in drug and device payments (2025) ·
(949) 347-6044 Dr. Michele Staunton, M.D.Mission Viejo, CA · No drug or device payments recorded (2025) · Telehealth ·
(949) 364-6000 Dr. Mon-ta Tsai, M.D.Mission Viejo, CA · No drug or device payments recorded (2025) ·
(949) 588-0051 Dr. Murray Margolis, M.D.Mission Viejo, CA · No drug or device payments recorded (2025) ·
(949) 364-6000 Dr. Nader Noorian, M.D.Mission Viejo, CA · $8,122 in drug and device payments (2025) · Telehealth ·
(949) 364-6000 Dr. Nina Swadener, MDMission Viejo, CA · $889 in drug and device payments (2025) · Telehealth ·
(949) 364-6559 Dr. Pardise Moraghebi, M.D.Mission Viejo, CA · $485 in drug and device payments (2025) · Telehealth ·
(949) 364-6000 Dr. Rajive Zachariah, M.D.Mission Viejo, CA · No drug or device payments recorded (2025) · Telehealth ·
(949) 364-6000 Dr. Raymond Kwa, M.D.Mission Viejo, CA · $329 in drug and device payments (2025) ·
(949) 364-6000 Dr. Reza Allamehzadeh, M.DMission Viejo, CA · $133 in drug and device payments (2025) · Telehealth ·
(949) 581-2002 Conditions Internal Medicine providers in Mission Viejo, 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 Mission Viejo, California?There are 59 Internal Medicine providers with active NPI records practicing in Mission Viejo, according to federal NPPES data refreshed monthly.
How many Internal Medicine providers in Mission Viejo received drug or device company payments?38 of 59 (64%) 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 Mission Viejo treat?Internal Medicine providers in Mission Viejo 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 Mission Viejo Internal Medicine across California