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Allergists in Delaware

Data updated monthly · Last refresh October 2026

11 Allergy & Immunology providers practice in Delaware, including 4 (36%) offering telehealth. The largest concentration is in Wilmington. 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.

11providers
4telehealth
Wilmingtontop city

Allergy & Immunology by city in Delaware

Choose a city to see providers there.

Allergy & Immunology in Wilmington7 providers
Allergy & Immunology in Newark3 providers
Allergy & Immunology in Lewes1 providers

Where Allergists in Delaware practice

From CMS Medicare enrollment records covering 8 of the 11 providers listed here (73%). Providers who do not bill Medicare are not included in these figures.

Largest practice groups

Group (as registered with Medicare)AllergistsAll clinicians in groupMain city
Ent and Allergy of Delaware LLC642Newark

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingAllergists affiliated
Christiana HospitalNewarkNonprofit4 of 56
Bayhealth Medical Center, Kent CampusDoverNonprofit2 of 52
Beebe Medical CenterLewesNonprofit3 of 52

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 Delaware

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. Lyvia Leigh, MD
Lewes, DE · $46 in drug and device payments (2025) · (302) 643-4123
Dr. Junfang Jiao
Newark, DE · $1,684 in drug and device payments (2025) · Telehealth · (302) 998-0300
Dr. Muhammad Khalid, MD
Newark, DE · $1,581 in drug and device payments (2025) · (302) 998-0300
Dr. Sokun Bhatti, MD
Newark, DE · $313 in drug and device payments (2025) · Telehealth · (302) 998-0300
Dr. Gregory Marcotte, M.D.
Wilmington, DE · $2,570 in drug and device payments (2025) · Telehealth · (302) 998-0300
Dr. Isma Shah, MD
Wilmington, DE · $1,565 in drug and device payments (2025) · (302) 998-0300
Dr. Leonard Seltzer, MD
Wilmington, DE · No drug or device payments recorded (2025) · (302) 798-8070
Dr. Michael Wydila, MD
Wilmington, DE · $1,385 in drug and device payments (2025) · Telehealth · (302) 798-8070
Dr. Michelle Squadrito, M.D.
Wilmington, DE · $1,231 in drug and device payments (2025) · (302) 998-0300
Dr. Richard Kim, M.D.
Wilmington, DE · $184 in drug and device payments (2025) · (302) 995-2952
Dr. Trong Le, M.D.
Wilmington, DE · $26 in drug and device payments (2025) · (302) 651-4200

Conditions Allergy & Immunology providers in Delaware 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.

Common questions

How many Allergy & Immunology providers are in Delaware?

There are 11 Allergy & Immunology providers with active NPI records practicing in Delaware, according to federal NPPES data refreshed monthly.

Do Allergy & Immunology providers in Delaware offer telehealth?

Yes. 4 of the 11 Allergy & Immunology providers in Delaware (about 36%) report offering telehealth services in CMS data.

Which cities in Delaware have the most Allergy & Immunology providers?

Wilmington (7), Newark (3), Lewes (1) have the highest concentration of Allergy & Immunology providers in Delaware.

What conditions do Allergy & Immunology providers in Delaware 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.

Which hospitals do Allergists in Delaware work at?

According to CMS facility affiliation records, the Delaware hospitals where the most Allergists hold privileges are Christiana Hospital in Newark; Bayhealth Medical Center, Kent Campus in Dover; Beebe Medical Center in Lewes.

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Related

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Allergy & Immunology in Delaware? Get featured.