General Surgeons in Maryland
Data updated monthly · Last refresh October 2026
669 Surgery providers practice in Maryland, including 60 (9%) offering telehealth. The largest concentration is in Baltimore. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
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60telehealth
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Surgery by city in Maryland
Choose a city to see providers there.
Surgery providers in Maryland
Listed by city, largest first. 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. William Hennrikus, MDBethesda, MD · No drug or device payments recorded (2025) ·
(301) 295-0537 Dr. William Liston, MDBethesda, MD · $53 in drug and device payments (2025) ·
(301) 295-4345 Dr. Megan MathewsBowie, MD · No drug or device payments recorded (2025) ·
(301) 809-8800 Dr. Concetta Holloway-anthony, DOBrandywine, MD · No drug or device payments recorded (2025) ·
(301) 292-7563 Dr. James Mcanulty, M.D.Cambridge, MD · No drug or device payments recorded (2025) ·
(410) 228-3223 Dr. Jacques Zephirin, M.D.Camp Springs, MD · $57 in drug and device payments (2025) ·
(240) 427-1630 Dr. James Tzeng, M.D.Camp Springs, MD · No drug or device payments recorded (2025) ·
(240) 427-1630 Dr. Robert Wagner, D.O.Camp Springs, MD · $95 in drug and device payments (2025) ·
(240) 427-1630 Dr. Sherif Selim, M.D.Camp Springs, MD · $707 in drug and device payments (2025) ·
(240) 427-1630 Dr. Tong Ma, M.D.Camp Springs, MD · $215 in drug and device payments (2025) ·
(240) 427-1630 Dr. Andrew Averbach, M.D.Catonsville, MD · No drug or device payments recorded (2025) ·
(667) 234-8725 Dr. Catriona Swift, D.O.Catonsville, MD · $1,481 in drug and device payments (2025) · Telehealth ·
(667) 234-8725 Dr. David Von Rueden, M.D.Catonsville, MD · No drug or device payments recorded (2025) ·
(410) 368-3003 Dr. Gerald Hayward, MDCatonsville, MD · $663 in drug and device payments (2025) ·
(410) 992-4300 Dr. Isam Hamdallah, M.D.Catonsville, MD · $859 in drug and device payments (2025) · Telehealth ·
(667) 234-8725 Dr. James Mathew, M.D.Catonsville, MD · No drug or device payments recorded (2025) ·
(410) 744-8877 Dr. Paiboon Surichamorn, M.D.Catonsville, MD · No drug or device payments recorded (2025) ·
(410) 747-7471 Dr. Colette Magnant, MDChevy Chase, MD · No drug or device payments recorded (2025) ·
(301) 654-8060 Dr. Douglas Burka, M.D.Chevy Chase, MD · $48 in drug and device payments (2025) ·
(301) 656-6700 Dr. Hadi Rassael, DOChevy Chase, MD · No drug or device payments recorded (2025) ·
(301) 652-9005 Dr. Seema Patel, MD, MPHChevy Chase, MD · No drug or device payments recorded (2025) ·
(301) 656-6700 Dr. Thomas Zorc, MDChevy Chase, MD · $144 in drug and device payments (2025) ·
(301) 656-6700 Dr. Michael Gillespie, M.D. Dr. Suryakant Patel, M.D. Dr. Benito Kong Leng Co, MDCockeysville, MD · No drug or device payments recorded (2025) ·
(410) 667-6622 Dr. Alodia Gabre-kidan, MDColumbia, MD · No drug or device payments recorded (2025) ·
(410) 730-1988 Dr. Christopher GiorgioColumbia, MD · No drug or device payments recorded (2025) ·
(410) 740-7890 Dr. Christopher Shubert, MDColumbia, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 740-7544 Dr. Deepak Merchant, MDColumbia, MD · No drug or device payments recorded (2025) ·
(443) 546-1600 Dr. James Harris, M.D.Columbia, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 730-1988 Dr. James Wiseman, M.D.Columbia, MD · No drug or device payments recorded (2025) ·
(410) 730-1988 Dr. Keith Falcao, M.D.Columbia, MD · No drug or device payments recorded (2025) ·
(443) 546-1600 Dr. Kiran Parikh, M.D.Columbia, MD · No drug or device payments recorded (2025) ·
(433) 574-8500 Dr. Mary BoyleColumbia, MD · No drug or device payments recorded (2025) ·
(410) 258-1823 Dr. Mohammed Gheba, M.D.Columbia, MD · No drug or device payments recorded (2025) ·
(443) 718-3160 Dr. Peter Liao, M.D.Columbia, MD · $332 in drug and device payments (2025) ·
(410) 964-8346 Dr. Raul Sebastian Laines, M.DColumbia, MD · $228 in drug and device payments (2025) ·
(410) 730-1988 Dr. Scott Rehrig, M.D.Columbia, MD · $187 in drug and device payments (2025) ·
(410) 730-1988 Dr. Sidney Barnes, MDCrisfield, MD · $33 in drug and device payments (2025) ·
(410) 968-1200 Dr. Juan Arrisueno, M.D., PACumberland, MD · No drug or device payments recorded (2025) ·
(301) 777-5338 Dr. Julie Bielec, MDCumberland, MD · No drug or device payments recorded (2025) ·
(301) 724-7666 Dr. Michael Stasko, M.D.Cumberland, MD · $16 in drug and device payments (2025) ·
(301) 724-8877 Dr. Milton Lum, MDCumberland, MD · No drug or device payments recorded (2025) ·
(301) 724-8847 Dr. Philip Schroeder, MDCumberland, MD · No drug or device payments recorded (2025) ·
(301) 724-7666 Dr. Richard Snider, MDCumberland, MD · No drug or device payments recorded (2025) ·
(301) 777-2839 Dr. Roy Chisholm, M.D.Cumberland, MD · No drug or device payments recorded (2025) ·
(301) 724-8847 Dr. Kendra Merine, M.D.Davidsonville, MD · No drug or device payments recorded (2025) ·
(443) 692-2070 Dr. Nikhileshwer Agarwal, MDDavidsonville, MD · No drug or device payments recorded (2025) ·
(717) 332-7990 Dr. Shanker Gupta, MDDundalk, MD · No drug or device payments recorded (2025) ·
(410) 282-0646 Common questions
How many Surgery providers are in Maryland?There are 669 Surgery providers with active NPI records practicing in Maryland, according to federal NPPES data refreshed monthly.
Do Surgery providers in Maryland offer telehealth?Yes. 60 of the 669 Surgery providers in Maryland (about 9%) report offering telehealth services in CMS data.
Which cities in Maryland have the most Surgery providers?Baltimore (244), Bethesda (60), Annapolis (33) have the highest concentration of Surgery providers in Maryland.
How many Surgery providers in Maryland received drug or device company payments?316 of 669 Surgery providers in Maryland (47%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider counts and profiles 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.
Do most General Surgeons in Maryland work in independent practices or large health systems?Among 312 General Surgeons in Maryland enrolled in Medicare, 16% bill through a solo or small practice with fewer than 10 clinicians, 14% through a mid-size group of 10 to 99, and 70% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do General Surgeons in Maryland work at?According to CMS facility affiliation records, the Maryland hospitals where the most General Surgeons hold privileges are Johns Hopkins Hospital, the in Baltimore; University of Maryland Medical Center in Baltimore; Luminis Health Anne Arundel Medical Center, Inc. in Annapolis.
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