Pediatric Infectious Diseases in Bethesda, Maryland
Data updated monthly · Last refresh September 2026
14 Pediatric Infectious Diseases providers practice in Bethesda. Listings are drawn from federal public records and are not endorsements.
Pediatric Infectious Diseases providers in Bethesda
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. Alison Helfrich, DO, MPHBethesda, MD · No drug or device payments recorded (2025) ·
(301) 295-4959 Dr. Ashley Maranich, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 295-4600 Dr. David Stagliano, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 400-1622 Dr. Kalpana Manthiram, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 496-1211 Dr. Kanta Subbarao, MBBSBethesda, MD · No drug or device payments recorded (2025) ·
(301) 451-3839 Dr. Leslie Ball, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 295-4900 Dr. Margan Zajdowicz, M.D., M.P.HBethesda, MD · No drug or device payments recorded (2025) ·
(301) 319-8850 Dr. Margaret Bash, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 496-2044 Dr. Mark Connors, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 496-8057 Dr. Martin Ottolini, MDBethesda, MD · No drug or device payments recorded (2025) ·
(301) 295-3665 Dr. Matthew Penfold, DOBethesda, MD · No drug or device payments recorded (2025) ·
(301) 295-4959 Dr. Michael Rajnik, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 295-4000 Dr. Patrick Hickey, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 295-4900 Dr. Rohan Hazra, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 435-6868 Common questions
How many Pediatric Infectious Diseases providers are in Bethesda, Maryland?There are 14 Pediatric Infectious Diseases providers with active NPI records practicing in Bethesda, 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 Bethesda Pediatric Infectious Diseases across Maryland
