Dr. Demetrios Markouizos, MD

Pediatrics, Adolescent Medicine

(162 reviews)
Accepting new patients Group 9 14 years of experience


Dr. Demetrios Markouizos, MD is a Pediatrician (Children's Doctor) in Astoria, NY. He specializes in Pediatrics and Adolescent Medicine, has 14 years of experience, and is board certified. He graduated from Brooklyn College.

Dr. Demetrios Markouizos, MD works at Pediatric Health Care of Queens (PHCQ). He is accepting new patients and accepts 1199SEIU, AmeriChoice by UnitedHealthcare, Anthem, Blue Care Network of Michigan, Blue Cross Blue Shield, and other major insurance plans....

About Dr. Demetrios Markouizos, MD


  • Pediatrics
  • Adolescent Medicine


  • Allergen Immunotherapy
  • Blood Draw
  • Destruction Of Benign/premalignant Skin Lesions
  • Hearing Evaluation
  • Obesity Medicine
  • Pediatrics
  • Psychological And Neuropsychological Tests
  • Pulmonary Function Tests
  • Vaccine Administration
  • Vision Screening
  • Wellness Examination

Years of Experience

14 years of experience

Languages Spoken

  • English
  • French
  • Spanish



NPI Number


Education & Certifications

Medical Education

  • Brooklyn College - B.S. Biology
  • Aristotelian University, Thessaloniki Greece - M.D.


  • Methodist Hospital - Pediatrics

Board Certifications

  • ABMS

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Ratings & Reviews

Average provider rating


Based on 162 reviews

Time with patient

Accuracy of diagnosis

Listening skills

Clear explanations

Trust in decision making

Post visit follow-up

Office & Staff Evaluation

Office appearance

out of 5

Ease of scheduling

out of 5

Friendly staff

out of 5

Billing matters

out of 5

Average wait time

11 to 20 minutes

Group 24

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How was your appointment with Dr. Demetrios Markouizos, MD?

Patient Reviews

162 reviews

5 star
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1 star
Jun 1, 2016
Dr. Markouizos is a Godsend!

All three of my children have been patients of Dr. Markouizos since birth. I would not change him as their pediatrician for anyone. Briefly my family and I moved to NJ about 1 1/2 hours away and would come back to Dr. Markouizos for check ups...

M. A.

Accepting New Patients Icon Verified patient
Jun 1, 2016
It has always been an informative, comforting, and effective visit.

Dr. Markouizos is the best doctor in the world. He is so clearly knowledgeable and constantly available for me whenever I need medical care. After coming to him for over 19 years, there has never been a visit that did not either lead to my medical...

Ismini M.

Accepting New Patients Icon Verified patient
Jun 4, 2016
Best Pediatrician in Astoria!

Dr. Markouizos by far has been nothing but professional. His staff and facility is fantastic and very organized. He has not only been my doctor since I was born but now he is my sons doctor. I personally have known Dr. Markouizos my entire life...

Christopher M.

Accepting New Patients Icon Verified patient


Pediatric Health Care of Queens (PHCQ)

30-14 37th St.,

Astoria, NY 11103

  • Friday 9:00 am - 6:00 pm

Frequently Asked Questions

Dr. Demetrios Markouizos, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Demetrios Markouizos, MD is offering online scheduling or call the provider’s office for more information.

Dr. Demetrios Markouizos, MD accepts 1199SEIU, AmeriChoice by UnitedHealthcare, Anthem Blue Cross Blue Shield (BCBS) of Maine, Anthem Blue Cross Blue Shield (BCBS) of Nevada, and other major insurance plans. Please call ahead to confirm all accepted insurance plans.

Yes, you can schedule an appointment online with Dr. Demetrios Markouizos, MD using Healthline FindCare.