Infectious Disease Specialists in Maryland
Data updated monthly · Last refresh October 2026
412 Infectious Disease providers practice in Maryland, including 62 (15%) 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.
412providers
62telehealth
Baltimoretop city
Infectious Disease by city in Maryland
Choose a city to see providers there.
Infectious Disease 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. Petros Karakousis, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-1725 Dr. Philip Mackowiak, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 605-7199 Dr. Poonam Mathur, D.O.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 225-8369 Dr. Preeti Mehrotra, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 328-6110 Dr. Ramona Sobhani, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 601-6840 Dr. Ravi Tripathi, MDBaltimore, MD · $35 in drug and device payments (2025) ·
(410) 328-9102 Dr. Rekha Rapaka, M.D., PH.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(667) 214-1515 Dr. Richard Berg, M.D.Baltimore, MD · $4,650 in drug and device payments (2025) ·
(410) 585-2830 Dr. Richard Markham, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-9601 Dr. Robert Bollinger, M.D.Baltimore, MD · $1,275 in drug and device payments (2025) ·
(410) 955-1725 Dr. Robert Edelman, M.D.Baltimore, MD · $15,436 in drug and device payments (2025) ·
(410) 328-5196 Dr. Robert Paris, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 225-8369 Dr. Robert Redfield, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 706-4613 Dr. Robin Avery, M.D.Baltimore, MD · $98 in drug and device payments (2025) · Telehealth ·
(410) 955-8470 Dr. Ronald Rabinowitz, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 328-6704 Dr. Ronald Reisler, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 467-6040 Dr. Rudolf Titanji, MD, MPHBaltimore, MD · $21 in drug and device payments (2025) ·
(410) 605-7000 Dr. Samuel Holzman, MD, SCMBaltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 554-4501 Dr. Samuel Rapaka, DOBaltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(321) 505-4476 Dr. Sara Cosgrove, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-1725 Dr. Sarah Schmalzle, MDBaltimore, MD · $38 in drug and device payments (2025) ·
(410) 706-1712 Dr. Sara Karaba, M.D., PH.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-7911 Dr. Sebastian Ruhs, M.D.Baltimore, MD · $1,051 in drug and device payments (2025) ·
(410) 837-2050 Dr. Seema Nayak, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 550-0501 Dr. Shaina RodriguesBaltimore, MD · $236 in drug and device payments (2025) · Telehealth ·
(443) 444-8000 Dr. Shashwatee Bagchi, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 328-5793 Dr. Shastine Abate, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 277-3490 Dr. Shatha Alshanqeeti, MDBaltimore, MD · $21 in drug and device payments (2025) · Telehealth ·
(410) 328-8667 Dr. Shivakumar Narayanan, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 225-8369 Dr. Shmuel Shoham, MDBaltimore, MD · $1,899 in drug and device payments (2025) · Telehealth ·
(410) 614-6431 Dr. Sima Sharara, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-5000 Dr. Simeon Goldblum, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 706-5504 Dr. Simon Dufresne, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 614-9140 Dr. Stuart Ray, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 614-6089 Dr. Styliani Karanika, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 933-2704 Dr. Surbhi Leekha, M.B.B.S.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 328-5757 Dr. Susan Keay, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 705-6450 Dr. Susan Tuddenham, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 550-7330 Dr. Theodore Bailey, MDBaltimore, MD · $827 in drug and device payments (2025) · Telehealth ·
(443) 849-2327 Dr. Thomas Inglesby, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-1725 Dr. Thomas Quinn, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-1725 Dr. Ulrike Buchwald, M.D.Baltimore, MD · $35 in drug and device payments (2025) ·
(410) 706-4613 Dr. Uzoamaka Eke, MDBaltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 225-8369 Dr. Vishal Sethi, M.DBaltimore, MD · $20 in drug and device payments (2025) ·
(443) 738-0300 Dr. Wendy Carter, D.O.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 605-7487 Dr. Wilbur Chen, M.D.Baltimore, MD · $4,530 in drug and device payments (2025) ·
(410) 328-5793 Dr. William Anthony, MD MBABaltimore, MD · No drug or device payments recorded (2025) ·
(410) 225-8404 Dr. William Blattner, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 328-5793 Dr. William Greenough, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 550-0925 Dr. William Werbel, M.D.Baltimore, MD · $26 in drug and device payments (2025) ·
(443) 287-4800 Conditions Infectious Disease providers in Maryland commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Infectious Disease providers. Individual practices vary, so confirm with the provider before booking.
- Long COVID
- HIV care
- Lyme disease
- Recurrent infections
- Travel medicine
Common questions
How many Infectious Disease providers are in Maryland?There are 412 Infectious Disease providers with active NPI records practicing in Maryland, according to federal NPPES data refreshed monthly.
Do Infectious Disease providers in Maryland offer telehealth?Yes. 62 of the 412 Infectious Disease providers in Maryland (about 15%) report offering telehealth services in CMS data.
Which cities in Maryland have the most Infectious Disease providers?Baltimore (196), Bethesda (86), Silver Spring (24) have the highest concentration of Infectious Disease providers in Maryland.
How many Infectious Disease providers in Maryland received drug or device company payments?101 of 412 Infectious Disease providers in Maryland (25%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Infectious Disease providers in Maryland treat?Infectious Disease providers commonly treat long COVID, HIV care, Lyme disease, recurrent infections, travel medicine and related conditions. Individual practices vary, so confirm with the provider before booking.
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 Infectious Disease Specialists in Maryland work in independent practices or large health systems?Among 174 Infectious Disease Specialists in Maryland enrolled in Medicare, 11% bill through a solo or small practice with fewer than 10 clinicians, 7% through a mid-size group of 10 to 99, and 82% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Infectious Disease Specialists in Maryland work at?According to CMS facility affiliation records, the Maryland hospitals where the most Infectious Disease Specialists hold privileges are Johns Hopkins Hospital, the in Baltimore; University of Maryland Medical Center in Baltimore; Johns Hopkins Bayview Medical Center in Baltimore.
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