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Emergency Medicine in Frederick, Maryland

Data updated monthly · Last refresh September 2026

21 Emergency Medicine providers practice in Frederick. Listings are drawn from federal public records and are not endorsements.

Emergency Medicine providers in Frederick

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. Albert Villarosa
Frederick, MD · No drug or device payments recorded (2025) · (240) 566-3330
Dr. Ashleigh Demoll Carpenter, D.O.
Frederick, MD · No drug or device payments recorded (2025) · (240) 566-3500
Dr. Duc Le, MD
Frederick, MD · $37 in drug and device payments (2025) · (240) 566-3300
Dr. Gretchen Stumhofer, MD
Frederick, MD · No drug or device payments recorded (2025) · (240) 566-3300
Dr. James Ansell, MD
Frederick, MD · No drug or device payments recorded (2025) · (240) 566-3300
Dr. Jason Giffi, D.O.
Frederick, MD · $14 in drug and device payments (2025) · (240) 931-0139
Dr. Jeffrey Fillmore
Frederick, MD · No drug or device payments recorded (2025) · (240) 566-3330
Dr. John Molesworth
Frederick, MD · No drug or device payments recorded (2025) · (240) 566-3330
Dr. Joshua Feblowitz, M.D.
Frederick, MD · No drug or device payments recorded (2025) · (240) 566-3300
Dr. Joshua Oppenheimer, M.D.
Frederick, MD · No drug or device payments recorded (2025) · (240) 566-3300
Dr. Justin Barnett
Frederick, MD · $121 in drug and device payments (2025) · (717) 880-6637
Dr. Karen Pheasant, DO
Frederick, MD · $31 in drug and device payments (2025) · (240) 566-3500
Dr. Ld Romane
Frederick, MD · No drug or device payments recorded (2025) · (240) 566-3330
Dr. Mark Kline
Frederick, MD · $689 in drug and device payments (2025) · (240) 566-3330
Dr. Michael Gafney
Frederick, MD · No drug or device payments recorded (2025) · (240) 566-3330
Dr. Michael Pepper, MD
Frederick, MD · No drug or device payments recorded (2025) · (240) 566-3500
Dr. Patrick Wallace, DO
Frederick, MD · No drug or device payments recorded (2025) · (240) 566-3300
Dr. Robert Taliaferro
Frederick, MD · No drug or device payments recorded (2025) · (240) 566-3330
Dr. Ronald Rakowski, MD
Frederick, MD · No drug or device payments recorded (2025) · (301) 696-1495
Dr. Trumer Wagner, MD
Frederick, MD · No drug or device payments recorded (2025) · (240) 379-7776
Dr. Yechen Pi
Frederick, MD · No drug or device payments recorded (2025) · (240) 566-3500

Common questions

How many Emergency Medicine providers are in Frederick, Maryland?

There are 21 Emergency Medicine providers with active NPI records practicing in Frederick, 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 Frederick Emergency Medicine across Maryland

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.