Internal Medicine in National City, California
Data updated monthly · Last refresh September 2026
13 Internal Medicine providers practice in National City. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in National City
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. Andrew Alongi, M.D.National City, CA · No drug or device payments recorded (2025) ·
(619) 779-7905 Dr. Archie Bella, M.D.National City, CA · $756 in drug and device payments (2025) ·
(844) 200-2426 Dr. Arwinnah Bautista, MDNational City, CA · $4,010 in drug and device payments (2025) · Telehealth ·
(619) 434-2813 Dr. Aurore Oughourlian, M.D.National City, CA · No drug or device payments recorded (2025) ·
(619) 662-4100 Dr. Brenda Watts, M.D.National City, CA · No drug or device payments recorded (2025) · Telehealth ·
(619) 515-2399 Dr. Griselda Tiu, MDNational City, CA · $526 in drug and device payments (2025) ·
(619) 475-4004 Dr. Irineo Tiangco, M.D.National City, CA · $2,153 in drug and device payments (2025) · Telehealth ·
(619) 479-0320 Dr. Kumara Prathipati, M.D.National City, CA · $19 in drug and device payments (2025) ·
(619) 267-0552 Dr. Miguel Martinez, M.D.National City, CA · No drug or device payments recorded (2025) ·
(619) 477-0084 Dr. Nirali Patel, M.D.National City, CA · $27 in drug and device payments (2025) ·
(619) 472-4690 Dr. Razi Hekmat, M.D.National City, CA · $79 in drug and device payments (2025) ·
(619) 472-2665 Dr. Renato Masilungan, MDNational City, CA · No drug or device payments recorded (2025) ·
(619) 474-8989 Dr. Valerie Altavas, M.D.National City, CA · $319 in drug and device payments (2025) · Telehealth ·
(619) 472-4575 Conditions Internal Medicine providers in National City, 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 National City, California?There are 13 Internal Medicine providers with active NPI records practicing in National City, according to federal NPPES data refreshed monthly.
What conditions do Internal Medicine providers in National City treat?Internal Medicine providers in National City 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 National City Internal Medicine across California
