Internal Medicine in Upland, California
Data updated monthly · Last refresh September 2026
20 Internal Medicine providers practice in Upland. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Upland
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. Ahmed Al-waisiUpland, CA · No drug or device payments recorded (2025) ·
(909) 985-2811 Dr. Azhar Majeed, MD, MBA, FACP Dr. Bhupal Kommineni, MD FACPUpland, CA · No drug or device payments recorded (2025) ·
(909) 981-0989 Dr. Briannah Wade, MDUpland, CA · No drug or device payments recorded (2025) ·
(909) 985-2811 Dr. Cynthia Serabyn, DOUpland, CA · No drug or device payments recorded (2025) ·
(909) 946-5348 Dr. David Engelhardt, M.D.Upland, CA · No drug or device payments recorded (2025) ·
(909) 931-3838 Dr. David Tran, M.D.Upland, CA · No drug or device payments recorded (2025) ·
(909) 985-1908 Dr. Ghassan Hadi, M.D.Upland, CA · $390 in drug and device payments (2025) · Telehealth ·
(909) 981-8904 Dr. Ivan Leroux, MDUpland, CA · No drug or device payments recorded (2025) ·
(800) 213-8517 Dr. Michael Chai, M.D.Upland, CA · $1,180 in drug and device payments (2025) · Telehealth ·
(909) 920-6698 Dr. Michael Creagan, MDUpland, CA · No drug or device payments recorded (2025) ·
(909) 985-0732 Dr. Nahel Al Bouz, M.D.Upland, CA · $590 in drug and device payments (2025) · Telehealth ·
(909) 581-6420 Dr. Sadia Moinuddin, MDUpland, CA · No drug or device payments recorded (2025) · Telehealth ·
(909) 579-6753 Dr. Samish Patel, M.D.Upland, CA · No drug or device payments recorded (2025) ·
(909) 931-4034 Dr. Sarina Kular, M.D.Upland, CA · $34 in drug and device payments (2025) · Telehealth ·
(909) 982-4000 Dr. Susan Biegel, M.D.Upland, CA · $1,473 in drug and device payments (2025) · Telehealth ·
(909) 985-1908 Conditions Internal Medicine providers in Upland, 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 Upland, California?There are 20 Internal Medicine providers with active NPI records practicing in Upland, according to federal NPPES data refreshed monthly.
What conditions do Internal Medicine providers in Upland treat?Internal Medicine providers in Upland 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 Upland Internal Medicine across California