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Allergists (Internal Medicine) in New Jersey

Data updated monthly · Last refresh October 2026

16 Allergy & Immunology (Internal Medicine) providers practice in New Jersey, including 3 (19%) offering telehealth. The largest concentration is in Millville. 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.

16providers
3telehealth
Millvilletop city

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

Choose a city to see providers there.

Allergy & Immunology (Internal Medicine) in Millville1 providers
Allergy & Immunology (Internal Medicine) in Dover1 providers
Allergy & Immunology (Internal Medicine) in Flemington1 providers
Allergy & Immunology (Internal Medicine) in Ridgewood1 providers
Allergy & Immunology (Internal Medicine) in Garfield1 providers
Allergy & Immunology (Internal Medicine) in Hawthorne1 providers
Allergy & Immunology (Internal Medicine) in Newark1 providers
Allergy & Immunology (Internal Medicine) in Trenton1 providers
Allergy & Immunology (Internal Medicine) in Livingston1 providers
Allergy & Immunology (Internal Medicine) in Hackensack1 providers
Allergy & Immunology (Internal Medicine) in Irvington1 providers
Allergy & Immunology (Internal Medicine) in Berkeley Heights1 providers
Allergy & Immunology (Internal Medicine) in Highland Park1 providers
Allergy & Immunology (Internal Medicine) in Hasbrouck Heights1 providers
Allergy & Immunology (Internal Medicine) in Succasunna1 providers
Allergy & Immunology (Internal Medicine) in Westfield1 providers

Where Allergists (Internal Medicine) in New Jersey practice

From CMS Medicare enrollment records covering 10 of the 16 providers listed here (63%). Providers who do not bill Medicare are not included in these figures.

60%solo or small practice (under 10 clinicians)
20%mid-size group (10 to 99)
20%large group or health system (100+)

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingAllergists (Internal Medicine) affiliated
Hackensack University Medical CenterHackensackNonprofit5 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 (Internal Medicine) providers in New Jersey

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. Kerry Lebenger, MD
Berkeley Heights, NJ · $10,354 in drug and device payments (2025) · Telehealth · (908) 603-8496
Dr. Stephen Bigelsen, M.D.
Dover, NJ · $211 in drug and device payments (2025) · (973) 989-0500
Dr. Christine Muglia-chopra, M.D.
Flemington, NJ · $408 in drug and device payments (2025) · (908) 788-9131
Dr. Peter Benincasa, M.D.
Garfield, NJ · $144 in drug and device payments (2025) · (973) 478-5550
Dr. Juan Ravell, M.D.
Hackensack, NJ · $518 in drug and device payments (2025) · Telehealth · (551) 996-2065
Dr. June Winkler, MD
Hasbrouck Heights, NJ · No drug or device payments recorded (2025) · (201) 288-1819
Dr. Joseph Grizzanti, DO
Hawthorne, NJ · $17,317 in drug and device payments (2025) · (973) 790-4111
Dr. Jay Blum, M.D.
Highland Park, NJ · No drug or device payments recorded (2025) · (732) 846-7861
Dr. Adeniyi Ogunkoya, MD
Irvington, NJ · $104 in drug and device payments (2025) · (973) 371-9050
Dr. Ai-lan Wang, MD
Livingston, NJ · No drug or device payments recorded (2025) · (973) 533-9255
Dr. Robert Coifman, MD
Millville, NJ · $261 in drug and device payments (2025) · (856) 825-4100
Dr. Steven Schutzer, MD
Newark, NJ · No drug or device payments recorded (2025) · (973) 972-4872
Dr. Salvatore Dangelo, M D
Ridgewood, NJ · $474 in drug and device payments (2025) · (201) 445-4557
Dr. Thomas Giangrasso, M.D.
Succasunna, NJ · No drug or device payments recorded (2025) · (973) 584-1391
Dr. Peter Ricketti, D.O.
Trenton, NJ · $190,352 in drug and device payments (2025) · Telehealth · (609) 581-9900
Dr. Robert Abels, MD
Westfield, NJ · No drug or device payments recorded (2025) · (908) 654-7142

Common questions

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

There are 16 Allergy & Immunology (Internal Medicine) providers with active NPI records practicing in New Jersey, according to federal NPPES data refreshed monthly.

Do Allergy & Immunology (Internal Medicine) providers in New Jersey offer telehealth?

Yes. 3 of the 16 Allergy & Immunology (Internal Medicine) providers in New Jersey (about 19%) report offering telehealth services in CMS data.

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

Millville (1), Dover (1), Flemington (1) have the highest concentration of Allergy & Immunology (Internal Medicine) providers in New Jersey.

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 (Internal Medicine) in New Jersey work in independent practices or large health systems?

Among 10 Allergists (Internal Medicine) in New Jersey enrolled in Medicare, 60% bill through a solo or small practice with fewer than 10 clinicians, 20% through a mid-size group of 10 to 99, and 20% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Allergists (Internal Medicine) in New Jersey work at?

According to CMS facility affiliation records, the New Jersey hospitals where the most Allergists (Internal Medicine) hold privileges are Hackensack University Medical Center in Hackensack.

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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 Jersey? Get featured.