37 Allergy providers practice in Maryland, including 9 (24%) 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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| Allergy in Baltimore | 9 providers |
| Allergy in Bethesda | 3 providers |
| Allergy in Frederick | 3 providers |
| Allergy in Towson | 2 providers |
| Allergy in Clinton | 2 providers |
| Allergy in Bel Air | 2 providers |
| Allergy in Rockville | 2 providers |
| Allergy in White Marsh | 1 providers |
| Allergy in Germantown | 1 providers |
| Allergy in Wheaton | 1 providers |
| Allergy in Mitchellville | 1 providers |
| Allergy in Columbia | 1 providers |
| Allergy in Greenbelt | 1 providers |
| Allergy in Jb Andrews | 1 providers |
| Allergy in Beltsville | 1 providers |
| Allergy in Largo | 1 providers |
| Allergy in Nottingham | 1 providers |
| Allergy in Temple Hills | 1 providers |
| Allergy in Chevy Chase | 1 providers |
| Allergy in Kensington | 1 providers |
| Allergy in Lanham | 1 providers |
From CMS Medicare enrollment records covering 18 of the 37 providers listed here (49%). Providers who do not bill Medicare are not included in these figures.
| Group (as registered with Medicare) | Allergy Specialists | All clinicians in group | Main city |
| Privia Medical Group, LLC | 4 | 1,522 | Lanham |
| Johns Hopkins University | 3 | 2,886 | Baltimore |
| Asthma and Allergy Center LLC | 3 | 35 | Bel Air |
| Sudhir Sekhsaria M. D. P.C. | 2 | 6 | Baltimore |
| Hospital | City | Ownership | CMS star rating | Allergy Specialists affiliated |
| Johns Hopkins Hospital, the | Baltimore | Nonprofit | 5 of 5 | 2 |
| Johns Hopkins Bayview Medical Center | Baltimore | Nonprofit | 3 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.
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.
There are 37 Allergy providers with active NPI records practicing in Maryland, according to federal NPPES data refreshed monthly.
Yes. 9 of the 37 Allergy providers in Maryland (about 24%) report offering telehealth services in CMS data.
Baltimore (9), Bethesda (3), Frederick (3) have the highest concentration of Allergy providers in Maryland.
24 of 37 Allergy providers in Maryland (65%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
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.
Among 18 Allergy Specialists in Maryland enrolled in Medicare, 39% bill through a solo or small practice with fewer than 10 clinicians, 22% through a mid-size group of 10 to 99, and 39% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
According to CMS facility affiliation records, the Maryland hospitals where the most Allergy Specialists hold privileges are Johns Hopkins Hospital, the in Baltimore; Johns Hopkins Bayview Medical Center in Baltimore.
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