Allergists (Internal Medicine) in Maryland
Data updated monthly · Last refresh October 2026
30 Allergy & Immunology (Internal Medicine) providers practice in Maryland, including 5 (17%) 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.
30providers
5telehealth
Baltimoretop city
Allergy & Immunology (Internal Medicine) by city in Maryland
Choose a city to see providers there.
Where Allergists (Internal Medicine) in Maryland practice
From CMS Medicare enrollment records covering 10 of the 30 providers listed here (33%). Providers who do not bill Medicare are not included in these figures.
Largest practice groups
| Group (as registered with Medicare) | Allergists (Internal Medicine) | All clinicians in group | Main city |
| Johns Hopkins University | 7 | 2,886 | Baltimore |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Allergists (Internal Medicine) affiliated |
| Johns Hopkins Hospital, the | Baltimore | Nonprofit | 5 of 5 | 7 |
| Johns Hopkins Bayview Medical Center | Baltimore | Nonprofit | 3 of 5 | 7 |
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 (Internal Medicine) 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. Ana Maria Pasatiempo, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(443) 663-6000 Dr. Antoine Azar, M.D.Baltimore, MD · $144,606 in drug and device payments (2025) · Telehealth ·
(410) 550-2300 Dr. Corinne Happel, M.D.Baltimore, MD · $95 in drug and device payments (2025) ·
(410) 550-2300 Dr. Edward Conner, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 550-2300 Dr. Eric Oliver, M.D.Baltimore, MD · $5,019 in drug and device payments (2025) ·
(410) 550-2300 Dr. Jay Goodman, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 332-9692 Dr. Jerome Shier, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 550-2300 Dr. Kathleen Hise, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 550-2301 Dr. Melanie Dispenza, M.D, PH.D.Baltimore, MD · $8,127 in drug and device payments (2025) · Telehealth ·
(410) 550-2300 Dr. Miya Paterniti, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 550-2301 Dr. Polly Huang, MDBaltimore, MD · $81 in drug and device payments (2025) · Telehealth ·
(410) 550-0100 Dr. Susan Limb, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-5000 Dr. Barbara MartinezBethesda, MD · No drug or device payments recorded (2025) ·
(301) 295-4510 Dr. Elizabeth PepperBethesda, MD · No drug or device payments recorded (2025) ·
(540) 498-7930 Dr. Jessica Durkee-shock, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 272-0628 Dr. Julia Savitz, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 319-8278 Dr. Martin Gaudinski, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 761-7094 Dr. Nyomi Washington, MDBethesda, MD · No drug or device payments recorded (2025) ·
(301) 319-2939 Dr. Raghava Charya, MDBethesda, MD · No drug or device payments recorded (2025) ·
(202) 782-6887 Dr. Shawn Miller, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 295-9046 Dr. Sofia Chaudhry, M.D.Bethesda, MD · $1,401 in drug and device payments (2025) ·
(301) 594-5504 Dr. Thomas Nutman, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 496-5398 Dr. Maher Nashed, MDElkton, MD · No drug or device payments recorded (2025) ·
(410) 392-8770 Dr. Wayne Frank, MDFort George G. Meade, MD · No drug or device payments recorded (2025) ·
(410) 278-5475 Dr. Dilawar Khokhar, MDGermantown, MD · $3,861 in drug and device payments (2025) · Telehealth ·
(301) 972-3709 Dr. Alireza Nejad, M.D., PH.DHunt Valley, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 821-5151 Dr. Sangeeta Jain, M.D.Pikesville, MD · No drug or device payments recorded (2025) ·
(410) 486-2000 Dr. Jonathan Fears, MDPrince Frederick, MD · No drug or device payments recorded (2025) ·
(410) 535-2005 Dr. Adina Knight, M.D.Rockville, MD · No drug or device payments recorded (2025) ·
(301) 869-7820 Dr. Nkiruka Erekosima, M.D., M.P.H.Silver Spring, MD · No drug or device payments recorded (2025) ·
(301) 879-7700 Common questions
How many Allergy & Immunology (Internal Medicine) providers are in Maryland?There are 30 Allergy & Immunology (Internal Medicine) providers with active NPI records practicing in Maryland, according to federal NPPES data refreshed monthly.
Do Allergy & Immunology (Internal Medicine) providers in Maryland offer telehealth?Yes. 5 of the 30 Allergy & Immunology (Internal Medicine) providers in Maryland (about 17%) report offering telehealth services in CMS data.
Which cities in Maryland have the most Allergy & Immunology (Internal Medicine) providers?Baltimore (12), Bethesda (10), Silver Spring (1) have the highest concentration of Allergy & Immunology (Internal Medicine) providers in Maryland.
How many Allergy & Immunology (Internal Medicine) providers in Maryland received drug or device company payments?7 of 30 Allergy & Immunology (Internal Medicine) providers in Maryland (23%) 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.
Which hospitals do Allergists (Internal Medicine) in Maryland work at?According to CMS facility affiliation records, the Maryland hospitals where the most Allergists (Internal Medicine) hold privileges are Johns Hopkins Hospital, the in Baltimore; Johns Hopkins Bayview Medical Center in Baltimore.
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