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Allergy & Immunology (Internal Medicine) in New Hampshire

Data updated monthly · Last refresh September 2026

0 Allergy & Immunology (Internal Medicine) providers practice in New Hampshire. The largest concentration is in Lebanon. 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.

0providers
Lebanontop city

Allergy & Immunology (Internal Medicine) by city in New Hampshire

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Allergy & Immunology (Internal Medicine) in Lebanon1 providers
Allergy & Immunology (Internal Medicine) in Nashua1 providers

Allergy & Immunology (Internal Medicine) providers in New Hampshire

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. Martha Elias, MD
Lebanon, NH · No drug or device payments recorded (2025) · (603) 653-9885
Dr. Walter Ryan, DO
Nashua, NH · $137 in drug and device payments (2025) · (603) 577-4000

Common questions

How many Allergy & Immunology (Internal Medicine) providers are in New Hampshire?

There are 0 Allergy & Immunology (Internal Medicine) providers with active NPI records practicing in New Hampshire, according to federal NPPES data refreshed monthly.

Which cities in New Hampshire have the most Allergy & Immunology (Internal Medicine) providers?

Lebanon (1), Nashua (1) have the highest concentration of Allergy & Immunology (Internal Medicine) providers in New Hampshire.

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.

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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 (Internal Medicine) in New Hampshire? Get featured.