Emergency Medicine in National City, California
Data updated monthly · Last refresh September 2026
13 Emergency Medicine providers practice in National City. Listings are drawn from federal public records and are not endorsements.
Emergency 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. Allison Kornblatt, M.D.National City, CA · No drug or device payments recorded (2025) ·
(917) 699-6856 Dr. Allyson Wolfe, M.D.National City, CA · No drug or device payments recorded (2025) ·
(619) 470-4141 Dr. Anthony Ferkich, M.D.National City, CA · No drug or device payments recorded (2025) ·
(619) 470-4321 Dr. Benjamin Ross, MDNational City, CA · No drug or device payments recorded (2025) ·
(619) 470-4321 Dr. Dennis O'connor, M.D./M.P.H.National City, CA · No drug or device payments recorded (2025) ·
(760) 310-5658 Dr. Douglas Ballesteros, MDNational City, CA · No drug or device payments recorded (2025) ·
(619) 470-4321 Dr. Gary Polsfuss, M.D.National City, CA · No drug or device payments recorded (2025) ·
(619) 470-4321 Dr. Jason Roby, D.O.National City, CA · No drug or device payments recorded (2025) ·
(616) 470-4158 Dr. Jorge Martinez, D.O.National City, CA · $20 in drug and device payments (2025) ·
(619) 470-4141 Dr. Lowell Gaspar, M.D.National City, CA · No drug or device payments recorded (2025) ·
(619) 470-4141 Dr. Nima JalaliNational City, CA · No drug or device payments recorded (2025) ·
(619) 470-4141 Dr. Paul Manos, D.O.National City, CA · No drug or device payments recorded (2025) ·
(619) 470-4321 Dr. Scott Mataoa, M.D.National City, CA · No drug or device payments recorded (2025) ·
(619) 470-4321 Common questions
How many Emergency Medicine providers are in National City, California?There are 13 Emergency Medicine providers with active NPI records practicing in National City, according to federal NPPES data refreshed monthly.
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 Emergency Medicine across California