Dr. Patrick Demarco III, MD

Dr. Patrick Demarco III, MD

Allergy & Immunology  ·  
Male  ·  
Age 43
Dr. Patrick Demarco III, MD is an allergy & immunology specialist in Jacksonville, FL and has been practicing for 13 years. He graduated from Drexel University College of Medicine in 2000 and specializes in allergy & immunology and internal medicine.

2804 Saint Johns Bluff Rd S Ste 202

Jacksonville, FL 32246

Contact Information

(904) 730-4870

Insurance Accepted

  • Accepts most major Health Plans. Please contact our office for details.
  • Aetna
  • AvMed
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Florida
  • Cigna
  • Coventry Health Care
  • First Health (Coventry Health Care)
  • Golden Rule
  • 6 More

*Please verify this information when scheduling an appointment.

Learn about Dr. Demarco III

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.

Top Care Areas

See how frequently Dr. Demarco III performs your care needs compared to other doctors.

Pinkeye (Conjunctivitis)
very high
more than 97% of peers
Allergic Reaction
very high
more than 95% of peers
Allergic Rhinitis
very high
more than 94% of peers

Dr. Demarco III's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

Care Philosophy

This content was provided by Dr. Demarco III "Provide personalized, complete care of allergic diseases for children and adults."

2  Specialties

  • Allergy & Immunology
  • Internal Medicine

2  Board Certifications

  • Allergy & Immunology
    Accredited by: American Board of Allergy & Immunology*
  • Internal Medicine
    Accredited by: American Board of Internal Medicine*

49  Conditions Treated


Read Less

20  Procedures

  • Allergen Immunotherapy
  • Allergy Shots
  • Allergy Shots for Insect Stings
  • Allergy Skin Testing
  • Allergy Testing
  • Allergy Testing for Hypersensitivity to Insects
  • Allergy Treatment
  • Blood Allergy Testing
  • Breath Testing
  • Desensitization
  • Drug Allergy Testing
  • Drug or Food Challenge
  • Environmental Allergy Testing
  • Immunization
  • Immunotherapy
  • Lung Spirometry
  • Nebulizer Treatment
  • Patch Testing
  • Spirometry
  • Xolair® Therapy

Background Check

0 Malpractice Claims

No malpractice history found for Florida.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • Scranton-Temple U
    Undergraduate School | Graduated 1996
  • Drexel University College of Medicine
    Medical School | Graduated 2000
  • University of South Florida
    Internship Hospital | Completed 2001
  • University of South Florida
    Residency Hospital | Completed 2003
  • University of South Florida
    Fellowship Hospital | Completed 2005
  • MBA, University of Massachussetts
    Other Education | Completed 2015

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
  • Patient Choice Award, 2011
  • Patients Choice Award, 2008
  • Compassionate Doctor Award, 2011
Media & Publications
  • DeMarco PJ, Lockey RF. Common Variable Immunodeficiency. J World Allergy Org. 2006;18(2):80-1,
  • DeMarco PJ. Chronic Idiopathic Urticaria. Northeast Florida Medicine. 2008;59(2):15-17,
  • Muller UR, Golden DB, DeMarco PJ, Lockey RF. Immunotherapy for Hymenoptera venom and biting insect hypersensitivity. Clin Allergy Immunol. 2004;18:541-59.,
  • DeMarco PJ, Lockey RF. Outcomes of allergy to insect stings in children, with and without venom immunotherapy. Journal of Pediatrics. 2005;146(1):145-6.,
  • DeMarco PJ, Codina R, Bagg AS, Fox RW, Lockey RF. Indoor Levels of Fungal Spores in Central Florida Homes without Obvious Moisture Problems. Journal of Allergy & Clinical Immunology. 2005;115(2)S20.,

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Demarco III does not have any memberships or affiliations listed. If you are Dr. Demarco III and would like to add memberships or affiliations, please update your profile.

Dr. Demarco III's Reviews

Likelihood of recommending Dr. Demarco III to family and friends
15 total reviews (2 have comments)

Likelihood to Recommend (15)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Demarco III's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    10 to 15 minutes

Patient Comments (2)

Dr DeMarco has been my allergist for over 5 years. He is kind, considerate and caring and as well as a great doctor . I never feel rushed during a visit and he takes the time needed with each of his patients. He helped me to get my allergies understand control and now I have a much better quality...more
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Dr DeMarco has been my allergist for the past five years. Never feel rushed and he has seen me on short notice
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