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.
Where Infectious Disease Specialists in Maryland practice
From CMS Medicare enrollment records covering 174 of the 412 providers listed here (42%). Providers who do not bill Medicare are not included in these figures.
11%solo or small practice (under 10 clinicians)
7%mid-size group (10 to 99)
82%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Infectious Disease Specialists | All clinicians in group | Main city |
| Johns Hopkins University | 45 | 2,886 | Baltimore |
| University of Maryland Physicians PA | 35 | 395 | Baltimore |
| Medstar Medical Group II LLC | 13 | 3,726 | Baltimore |
| Johns Hopkins Regional Physicians LLC | 8 | 83 | Columbia |
| University of Maryland St Joseph Medical Group LLC | 7 | 288 | Towson |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Infectious Disease Specialists affiliated |
| Johns Hopkins Hospital, the | Baltimore | Nonprofit | 5 of 5 | 44 |
| University of Maryland Medical Center | Baltimore | Nonprofit | 3 of 5 | 42 |
| Johns Hopkins Bayview Medical Center | Baltimore | Nonprofit | 3 of 5 | 18 |
| University of MD Medical Center Midtown Campus | Baltimore | Nonprofit | 3 of 5 | 18 |
| Sinai Hospital of Baltimore | Baltimore | Nonprofit | 3 of 5 | 8 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
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. Drake Tilley, M.D. M.P.H.&T.M.Annapolis, MD · No drug or device payments recorded (2025) ·
(410) 293-7920 Dr. Janine Danko, MD, MPHAnnapolis, MD · No drug or device payments recorded (2025) ·
(443) 481-1000 Dr. Kambayanda Chengappa, MDAnnapolis, MD · No drug or device payments recorded (2025) ·
(410) 573-9511 Dr. Kelly Russo, M.D., M.P.H.Annapolis, MD · No drug or device payments recorded (2025) ·
(410) 222-4114 Dr. Reema AndradeAnnapolis, MD · No drug or device payments recorded (2025) ·
(443) 481-1000 Dr. Ryan Arnold, MDAnnapolis, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 573-9511 Dr. Adena GreenbaumBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 396-9410 Dr. Adriana Andrade, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-1725 Dr. Africa Alvarez-mcleod, M.D.Baltimore, MD · $1,122 in drug and device payments (2025) ·
(410) 837-2050 Dr. Alan Cross, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 706-5328 Dr. Albert Wu, M.D.Baltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 955-1725 Dr. Alexander Chen, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 554-2284 Dr. Andrea Cox, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-1725 Dr. Andrew Karaba, M.D., PH.D.Baltimore, MD · $10,297 in drug and device payments (2025) ·
(410) 955-7911 Dr. Andrew Mayrer, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 601-5941 Dr. Anna Durbin, M.D.Baltimore, MD · $10,509 in drug and device payments (2025) ·
(410) 955-1725 Dr. Anna Winslow, MDBaltimore, MD · $315 in drug and device payments (2025) ·
(410) 601-3252 Dr. Anne Rompalo, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-1725 Dr. Anthea Nwandu, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 558-4888 Dr. Anthony Amoroso, M.D.Baltimore, MD · $42 in drug and device payments (2025) ·
(410) 706-4613 Dr. Anthony Edozien, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 706-4613 Dr. Anthony Harris, M.D.Baltimore, MD · $111 in drug and device payments (2025) ·
(410) 706-0064 Dr. Anuoluwapo Osinusi, MDBaltimore, MD · $46 in drug and device payments (2025) ·
(410) 706-4613 Dr. Ashley Barnes, MDBaltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 328-8667 Dr. Atiq Rahman, M.D.Baltimore, MD · $153 in drug and device payments (2025) ·
(443) 524-1220 Dr. Brenna RothBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 225-8369 Dr. Bruce Gilliam, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 706-1372 Dr. Caitlin Visek, MDBaltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(443) 287-4748 Dr. Calvin Williams, M.D. / PH.DBaltimore, MD · $26 in drug and device payments (2025) · Telehealth ·
(443) 474-9911 Dr. Carla Alexander, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 328-5725 Dr. Carol Tacket, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 328-5793 Dr. Chandralekha Banerjee, MDBaltimore, MD · $392 in drug and device payments (2025) ·
(410) 225-8404 Dr. Charles Cooper, MDBaltimore, MD · $27 in drug and device payments (2025) ·
(410) 362-3331 Dr. Charles Davis, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 706-4608 Dr. Chelsea Modlin, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-5000 Dr. Chidi NwizuBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 706-4613 Dr. Chinh Nguyen, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 706-7560 Dr. Chloe Thio, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-1725 Dr. Christine DurandBaltimore, MD · $12,810 in drug and device payments (2025) · Telehealth ·
(410) 955-7963 Dr. Christopher Hoffmann, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 502-2177 Dr. Christopher Plowe, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 706-5328 Dr. Christopher Smith, MDBaltimore, MD · $19,485 in drug and device payments (2025) ·
(410) 837-2050 Dr. Clare Rock, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 328-5039 Dr. Clayton Moravec, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 342-2092 Dr. Cynthia Sears, M.D.Baltimore, MD · $6,985 in drug and device payments (2025) · Telehealth ·
(410) 955-1725 Dr. Damani Piggott, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-5000 Dr. Daniel Escobar, M.D.Baltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 328-6110 Dr. Daniel Morgan, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 707-1734 Dr. David Oldach, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 328-5793 Dr. David Riedel, M.D.Baltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 328-4613 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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