Internal Medicine in Vacaville, California
Data updated monthly · Last refresh September 2026
52 Internal Medicine providers practice in Vacaville, and 17% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Vacaville
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. Ali Hassani, MDVacaville, CA · $136 in drug and device payments (2025) · Telehealth ·
(707) 624-7500 Dr. Andleeb Judge, M.D.Vacaville, CA · $28 in drug and device payments (2025) · Telehealth ·
(707) 454-5800 Dr. Angeli Duran, MD, DOVacaville, CA · $28 in drug and device payments (2025) · Telehealth ·
(707) 427-4900 Dr. Anne Chen, M.D.Vacaville, CA · No drug or device payments recorded (2025) · Telehealth ·
(707) 427-4900 Dr. Aurora Haworth, M.D.Vacaville, CA · No drug or device payments recorded (2025) ·
(707) 447-4362 Dr. Bethlehem Haile, M.DVacaville, CA · No drug or device payments recorded (2025) ·
(707) 453-7007 Dr. Daniel Scotti, M.D.Vacaville, CA · No drug or device payments recorded (2025) ·
(707) 455-0302 Dr. David Woodhouse, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 454-5800 Dr. Deepak Mehta, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 453-7007 Dr. Eri Joyo, M.D.Vacaville, CA · No drug or device payments recorded (2025) · Telehealth ·
(707) 624-2670 Dr. Frank Karneges, DOVacaville, CA · No drug or device payments recorded (2025) ·
(707) 454-5800 Dr. Fred Parham, M.D.Vacaville, CA · No drug or device payments recorded (2025) ·
(707) 447-3600 Dr. Garth Davis, MDVacaville, CA · $39 in drug and device payments (2025) ·
(707) 624-7500 Dr. Gurjit Kaur, MDVacaville, CA · $125 in drug and device payments (2025) ·
(707) 359-1816 Dr. Hon Chan, M.D.Vacaville, CA · No drug or device payments recorded (2025) ·
(707) 454-5800 Dr. Hydee Abaya Ghazaleh, M.D.Vacaville, CA · No drug or device payments recorded (2025) · Telehealth ·
(707) 624-2480 Dr. Jalal Yaganehdoust, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 448-6841 Dr. James Lee, MDVacaville, CA · $24 in drug and device payments (2025) ·
(707) 453-5000 Dr. Jason Rohrer, M.D.Vacaville, CA · No drug or device payments recorded (2025) ·
(707) 451-0182 Dr. Jonathan Abaya Ghazaleh, MDVacaville, CA · No drug or device payments recorded (2025) · Telehealth ·
(707) 624-4000 Dr. Jonathon ValerioteVacaville, CA · No drug or device payments recorded (2025) · Telehealth ·
(707) 427-4900 Dr. Julie Nguyen, MDVacaville, CA · $28 in drug and device payments (2025) ·
(707) 815-9049 Dr. Khin Win, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 451-0182 Dr. Kimberly Wiley, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 453-5000 Dr. Kulbir Bajwa, M.D.Vacaville, CA · No drug or device payments recorded (2025) ·
(707) 624-7500 Dr. Kyaw Aung, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 453-5000 Dr. Liyan Zhang, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 453-5000 Dr. Lyndsey Mcmillan, D.O.Vacaville, CA · $59 in drug and device payments (2025) ·
(707) 624-4000 Dr. Manpreet SidhuVacaville, CA · No drug or device payments recorded (2025) ·
(707) 624-1262 Dr. Mariana Lotersztain, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 724-3024 Dr. Marissa Neis-gimenez, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 453-5000 Dr. Mary Minguito, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 453-5000 Dr. Micheal Massoud, D.O.Vacaville, CA · No drug or device payments recorded (2025) ·
(707) 624-4000 Dr. Mohamed Falaha, MDVacaville, CA · No drug or device payments recorded (2025) ·
(650) 223-1835 Dr. Morris Li, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 624-4000 Dr. Narinder Saukhla, M.D.Vacaville, CA · No drug or device payments recorded (2025) ·
(707) 453-7007 Dr. Nicolas Aguilera, M.D.Vacaville, CA · No drug or device payments recorded (2025) ·
(707) 453-7007 Dr. Nikhil Mulchandani, M.D.Vacaville, CA · No drug or device payments recorded (2025) ·
(707) 651-1262 Dr. Richard Lasslo, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 453-5000 Dr. Richard Tan, M.D.Vacaville, CA · No drug or device payments recorded (2025) ·
(707) 451-0182 Dr. Romenna Galang, MDVacaville, CA · No drug or device payments recorded (2025) · Telehealth ·
(707) 427-4900 Dr. Shalvin Prasad, DOVacaville, CA · No drug or device payments recorded (2025) ·
(707) 624-1262 Dr. Shobhna Parmar, D.O.Vacaville, CA · No drug or device payments recorded (2025) ·
(707) 651-2440 Dr. Sreelakshmi VasudevanVacaville, CA · No drug or device payments recorded (2025) ·
(707) 624-4000 Dr. Sukhjinder Kaur, MDVacaville, CA · $26 in drug and device payments (2025) · Telehealth ·
(707) 427-4900 Dr. Sungryong Noh, M.D.Vacaville, CA · No drug or device payments recorded (2025) ·
(707) 624-2709 Dr. Tesie Rallos, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 451-0182 Dr. Thomas Erskine, M.D.Vacaville, CA · No drug or device payments recorded (2025) ·
(707) 624-7979 Dr. Thomas Fashinell, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 453-5000 Dr. Usha Pai, M.D.Vacaville, CA · No drug or device payments recorded (2025) ·
(707) 453-7007 Conditions Internal Medicine providers in Vacaville, 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 Vacaville, California?There are 52 Internal Medicine providers with active NPI records practicing in Vacaville, according to federal NPPES data refreshed monthly.
How many Internal Medicine providers in Vacaville received drug or device company payments?9 of 52 (17%) 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 Vacaville treat?Internal Medicine providers in Vacaville 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 Vacaville Internal Medicine across California