Summary

Jennifer M. Diaz, MD, a native of Suffolk County, graduated with a Bachelor of Science from Boston College, after which she spent a year in the National Institutes of Health (NIH) research training program in Bethesda, Maryland. She went on to earn her Medical Degree at New York Medical College in Valhalla, New York. She then served her Pediatric Internship and Residency at North Shore-Long Island Jewish Health System at the Steven & Alexander Cohen Children’s Medical Center of NY. After her residency, she was appointed Chief Resident in the Division of Pediatrics. She was a recipient of a competitive NIH grant to complete her Allergy and Immunology fellowship training at North Shore-Long Island Jewish Health System with a focus on obesity and its effects on asthma.

Dr. Diaz is Board Certified by the American Board of Pediatrics and the American Board of Allergy and Immunology, and is a member of numerous professional societies, including the American Academy of Allergy, Asthma and Immunology (AAAAI), American College of Allergy, Asthma and Immunology (ACAAI),Long Island Allergy and Asthma Society (LIAAS), New York Allergy and Asthma Society (NYAAS). In addition, she has authored and contributed to a number of professional publications and presentations at national conferences.

Dr. Diaz has experience in treating both adults and children with a wide range of allergic diseases ranging from asthma and allergic rhinitis to food allergy and atopic dermatitis. She is proficient in epidermal and intradermal allergen testing, food challenges and drug desensitizations, as well as immunotherapy preparation and administration.
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Quick Facts

  • accepting new patients
  • 4.7
  • 19 years of experience
  • 43 insurance plans accepted
  • speaks English, Spanish
  • North Shore-Long Island Jewish Health System
  • 10 written reviews
  • 2 specialties
  • 12 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 2 office locations
  • Female

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Jennifer Marie Diaz has 2 locations

ENT and Allergy Associates - Port Jefferson

1500 Route 112 Building # 4 2nd floorPort Jefferson Station, NY 11776

Ent And Allergy Associates Port Jefferson

1500 Route 112 Bldg 4Port Jefferson Station, NY 11776
Mon8:30 am - 6:00 pm
Tue8:30 am - 6:00 pm
Wed8:30 am - 6:00 pm
Thu8:30 am - 6:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

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Dr. Jennifer Marie Diaz, MDDr. Amy Ellen Shapiro, MDDr. Susan A Mcgivney, MDDr. Beth Korby Elenko, MD
Allergy & ImmunologyPediatricsPediatricsPediatrics
Accepts New Patients
4.7 
19 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish
Port Jefferson Station , NYMelville , NYShoreham , NYPlainview , NY
Med School: New York Medical College
Current Profile
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Insurance Plans Accepted by Dr. Jennifer Marie Diaz

  • 1199SEIU
  • AARP
  • Aetna
  • Aetna - HMO
  • Aetna - Medicare
  • AmeriGroup
  • AmeriHealth
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • CareSource
  • CHAMPVA
  • Cigna
  • Cigna-HealthSpring
  • Elderplan
  • EmblemHealth
  • EmblemHealth - HMO
  • EmblemHealth - Medicare
  • EmblemHealth - PPO
  • Fidelis Care (NY)
  • Fidelis Care (NY) - Medicaid
  • HealthFirst (NY)
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • MagnaCare
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • MetroPlus Health Plan
  • Molina Healthcare
  • Northwell Direct
  • Optima Health
  • Oscar Health Insurance
  • Partners Health Plan
  • STLDentalPlan| LLC
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - PPO
  • UnitedHealthcare Oxford
  • US Family Health Plan
  • Wellcare

Medical Specialties

Dr. Jennifer Marie Diaz has the following 2 specialties

Specialty Expertise

Dr. Jennifer Marie Diaz has the following 12 areas of expertise

  • Allergies
  • Asthma
  • Desensitization
  • Food Allergies
  • Hay Fever
  • Itching
  • Nasal Allergies
  • Nasal Allergy (Rhinitis)
  • Pediatrics
  • Rash
  • Sinusitis
  • Watery Eyes

Certifications, License, & Education

19 Years Experience

Dr. Jennifer Marie Diaz holds an active medical license in the state of New York.

Medical License

Medical Doctor with an active medical license in the state of New York that expires in 2026.

Education & Training

Residency

Completed their residency at North Shore-Long Island Jewish Health System.

Medical School

Graduated from New York Medical College in 2008 and New York Medical College in 2007.

NPI Number

Dr. Diaz's NPI number is 1053636431.

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Frequently Asked Questions

Is Dr. Jennifer Diaz accepting new patients?
Dr. Jennifer Diaz is accepting new patients on Vitals. View Dr. Jennifer Diaz's profile on Vitals to make an appointment.
Does Dr. Jennifer Diaz accept my insurance?
You can see the insurance plans that Dr. Jennifer Diaz accepts on their Vitals profile.
Which hospitals is Dr. Jennifer Diaz affiliated with?
Dr. Jennifer Diaz is affiliated with Cohen Childrens Medical Center.
Where is Dr. Jennifer Diaz's office located?
Dr. Jennifer Diaz's office is located at 1500 Route 112 Building # 4 2nd floor, Port Jefferson Station, NY, 11776.
Does Dr. Jennifer Diaz accept virtual/telehealth appointments?
Dr. Jennifer Diaz has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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