Allergists in Maryland
Data updated monthly · Last refresh October 2026
108 Allergy & Immunology providers practice in Maryland, including 16 (15%) offering telehealth. The largest concentration is in Bethesda. 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.
108providers
16telehealth
Bethesdatop city
Allergy & Immunology by city in Maryland
Choose a city to see providers there.
Where Allergists in Maryland practice
From CMS Medicare enrollment records covering 47 of the 108 providers listed here (44%). Providers who do not bill Medicare are not included in these figures.
47%solo or small practice (under 10 clinicians)
43%mid-size group (10 to 99)
11%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Allergists | All clinicians in group | Main city |
| Asthma and Allergy Center LLC | 11 | 35 | Rockville |
| Institute for Asthma and Allergy PC | 5 | 13 | Wheaton |
| Schreiber Allergy | 4 | 5 | Rockville |
| Privia Medical Group, LLC | 3 | 1,522 | Lanham |
| Johns Hopkins Regional Physicians LLC | 3 | 83 | Columbia |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Allergists affiliated |
| Johns Hopkins Hospital, the | Baltimore | Nonprofit | 5 of 5 | 2 |
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.
Allergy & Immunology 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. Kirk Druey, MDAdamstown, MD · No drug or device payments recorded (2025) ·
(202) 329-7943 Dr. Duane Gels, MDAnnapolis, MD · $1,012 in drug and device payments (2025) · Telehealth ·
(410) 573-1600 Dr. Jaime Olenec, M.D.Annapolis, MD · $303 in drug and device payments (2025) · Telehealth ·
(410) 266-3900 Dr. Timothy Andrews, M.D.Arnold, MD · $1,420 in drug and device payments (2025) · Telehealth ·
(410) 647-2600 Dr. Adriano Salicru, M.D.,PH.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 550-2191 Dr. Darya Koenig, MDBaltimore, MD · $835 in drug and device payments (2025) ·
(410) 550-3350 Dr. Kathy Lampl, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 550-2300 Dr. Richard Lavy, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(717) 464-4876 Dr. William Lavietes, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 486-2000 Dr. Matthew Mardiney, M.D.Bel Air, MD · $3,490 in drug and device payments (2025) · Telehealth ·
(443) 987-6998 Dr. Prasad Nataraj, MDBel Air, MD · $1,322 in drug and device payments (2025) ·
(410) 638-1999 Dr. Aaron Brockshus, MDBethesda, MD · No drug or device payments recorded (2025) ·
(301) 295-4510 Dr. Alexandra Worobec, MDBethesda, MD · No drug or device payments recorded (2025) ·
(301) 229-1028 Dr. Anupama Padi, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 295-4510 Dr. Brandon Schornack, DOBethesda, MD · $206 in drug and device payments (2025) ·
(301) 295-4000 Dr. Calman Prussin, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 496-1306 Dr. Cecilia Mikita, MD, MPHBethesda, MD · No drug or device payments recorded (2025) ·
(301) 295-4510 Dr. Dean Metcalfe, M.D.Bethesda, MD · $3,600 in drug and device payments (2025) ·
(301) 496-2165 Dr. Gordon Raphael, M.D.Bethesda, MD · $112 in drug and device payments (2025) ·
(301) 907-3442 Dr. Helen Su, MDBethesda, MD · No drug or device payments recorded (2025) ·
(301) 496-4000 Dr. Jack Ragheb, M.D., PH.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 435-4566 Dr. Jay Montgomery, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 295-4510 Dr. Jenna Bergerson, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 761-6276 Dr. Jeremy Mcmurray, MDBethesda, MD · No drug or device payments recorded (2025) ·
(301) 295-4511 Dr. John Irons, M.D.Bethesda, MD · No drug or device payments recorded (2025) · Telehealth ·
(301) 564-4090 Dr. John Kehrl, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 530-6830 Dr. John O'shea, MDBethesda, MD · No drug or device payments recorded (2025) ·
(301) 412-3623 Dr. Julie Ledgerwood, D.O.Bethesda, MD · $250 in drug and device payments (2025) ·
(301) 594-8502 Dr. Lauren Wood, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 402-0199 Dr. Luke Pittman, MDBethesda, MD · $74 in drug and device payments (2025) ·
(013) 295-4510 Dr. Marshall Plaut, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 435-4425 Dr. Martin Evans, D.O.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 295-4511 Dr. Melody Carter, M.D.Bethesda, MD · $118 in drug and device payments (2025) ·
(301) 496-8772 Dr. Nathan Boggs, M.D.Bethesda, MD · $8,431 in drug and device payments (2025) ·
(301) 295-7988 Dr. Nayoung Kim, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 594-5504 Dr. Rachel Sparks, MDBethesda, MD · No drug or device payments recorded (2025) ·
(301) 402-2162 Dr. Sharon Ahluwalia, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 295-4511 Dr. Suyoung Chang, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 897-0850 Dr. Tejashri Purohit-sheth, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 295-2510 Dr. Theresa Price, DOBethesda, MD · No drug or device payments recorded (2025) ·
(301) 295-4000 Dr. Thomas Ollerhead, DOBethesda, MD · No drug or device payments recorded (2025) ·
(301) 319-8754 Dr. Zeynep Hizli DemirkaleBethesda, MD · No drug or device payments recorded (2025) ·
(301) 496-5717 Dr. Angelo Freda, D.O.Brandywine, MD · No drug or device payments recorded (2025) ·
(301) 503-0424 Dr. Carla Ward, MDChevy Chase, MD · $4,932 in drug and device payments (2025) · Telehealth ·
(301) 986-9262 Dr. Glenn Silber, MDColumbia, MD · No drug or device payments recorded (2025) ·
(410) 730-6000 Dr. Surender Vaswani, MDColumbia, MD · $53 in drug and device payments (2025) ·
(410) 772-8000 Dr. Jeremy Drelich, M.D.Cumberland, MD · No drug or device payments recorded (2025) ·
(301) 777-3300 Dr. Lynne Zheutlin, MDEllicott City, MD · No drug or device payments recorded (2025) ·
(410) 730-6000 Dr. Michael Mardiney, M.D.Ellicott City, MD · $80 in drug and device payments (2025) ·
(410) 461-7660 Conditions Allergy & Immunology providers in Maryland commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Allergy & Immunology providers. Individual practices vary, so confirm with the provider before booking.
- Seasonal allergies
- Food allergies
- Asthma
- Eczema
- Chronic hives
Common questions
How many Allergy & Immunology providers are in Maryland?There are 108 Allergy & Immunology providers with active NPI records practicing in Maryland, according to federal NPPES data refreshed monthly.
Do Allergy & Immunology providers in Maryland offer telehealth?Yes. 16 of the 108 Allergy & Immunology providers in Maryland (about 15%) report offering telehealth services in CMS data.
Which cities in Maryland have the most Allergy & Immunology providers?Bethesda (31), Rockville (13), Silver Spring (7) have the highest concentration of Allergy & Immunology providers in Maryland.
How many Allergy & Immunology providers in Maryland received drug or device company payments?51 of 108 Allergy & Immunology providers in Maryland (47%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Allergy & Immunology providers in Maryland treat?Allergy & Immunology providers commonly treat seasonal allergies, food allergies, asthma, eczema, chronic hives 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 Allergists in Maryland work in independent practices or large health systems?Among 47 Allergists in Maryland enrolled in Medicare, 47% bill through a solo or small practice with fewer than 10 clinicians, 43% through a mid-size group of 10 to 99, and 11% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Allergists in Maryland work at?According to CMS facility affiliation records, the Maryland hospitals where the most Allergists hold privileges are Johns Hopkins Hospital, the in Baltimore.
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