Male 74 years


Dr. John R Gavencak, MD



Allergy & Immunology   -  New York,  East Rockaway

 Overview

Dr. John R Gavencak, MD works in East Rockaway, New York is a specialist in Allergy & Immunology, Pediatrics and graduated New York Medical College in 1974. Dr. Gavencak is affiliated with South Nassau Communities Hospital and practicing for 49 years

 Specialties

  • Allergy & Immunology
  • Pediatrics

 Conditions

• Aspiration or Injection of Thyroid Cyst
• Calf Implant
• Cancer Screening
• Cancer Surgery, Robotic-Assisted
• Cancer Treatment
• Capsule Endoscopy
• Captique™ Injection
• Carotid Artery Disease
• Color Vision Testing
• Device Implantation and Extraction
  ...
• Device Therapy of Heart Failure
• Dexamethasone Suppression Test
• Digital Impression System
• Esophageal Diseases
• Muscle Cramp
• Root Canal
• Skin Diseases in HIV
• Soft Tissue Sarcoma
• Vaginal Candidiasis
 more details

 Procedures

• Allergen Immunotherapy
• Allergy Shots
• Allergy Skin Testing
• Allergy Testing
• Allergy Treatment
• Blood Allergy Testing
• Drug Allergy Testing
• Pulmonary Function Tests

 Board Certifications

  • Board Certified by the American Board of Allergy & Immunology

 Years Since Graduation

  • 49

 State License

  • New York

 Education & Training

Medical School

New York Medical College

Valhalla, NY, United States

Graduated: 1974

Residency Hospital

Ny Med College Metro Hospital

New York, NY, USA

Year completed: 1976

Internship Hospital

Ny Med College Metro Hospital

New York, NY, USA

Year completed: 1975

Fellowship Hospital

Ny Med College Metro Hospital

New York, NY, USA

Year completed: 1978

 Awards

1   AA Alabama
2   ACAI
3   Association Apd

 Dr. Gavencak Reviews

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 Office Locations


Primary location

 John R Gavencak MD
400 Atlantic Avenue
New York (NY)
East Rockaway
11518
 Phone:(516) 599-2732

Other Office Locations

 John R Gravencak MD
5342 Francis Lewis Boulevard
New York (NY)
East Rockaway
11364
 Phone:(718) 428-4442
 Medhat F Sami MD PC
1752 Francis Lewis Boulevard
New York (NY)
East Rockaway
11357
 Phone:(718) 746-9494

Accepting New Patients

  • Yes
* Please verify this information when scheduling an appointment.

 Map & Directions



John R Gavencak MD, 400 Atlantic Avenue, East Rockaway, New York (NY), 11518




 Insurances Accepted (check insurance plans)

  • Aetna
  • Amerigroup (Wellpoint)
  • Amerihealth
  • Blue Cross Blue Shield
  • Cigna
  • Commercial Insurance Company
  • Emblem Health
  • EmblemHealth
  • GHI
  • Health Insurance Plan of Greater New York (HIP)
  • HealthFirst
  • Locals (any local)
  • Medicare
  • Medicare Assignment MCR
  • Medicare Complete MCR
  • Medicare MCR
  • MultiPlan
  • Oxford Health Plans
  • United Healthcare
  • United Healthcare HMO
  • UnitedHealthCare

* Please verify this information when scheduling an appointment.

 Blog Posts

Blog Posts for Dr. John R Gavencak, MD are not present.

 Patients Questions

Patients questions for Dr. John R Gavencak, MD are not present.

 Affiliated Hospitals


South Nassau Communities Hospital photo


South Nassau Communities Hospital

One Healthy Way New York NY, Oceanside, 11572

South Nassau Communities Hospital is a hospital located in Oceanside, NY. Procedures/Diagnosis costs are at the state average in 12 of 13 procedures. Length of Stay is at the state average in 10 of 13 procedures.


  •  Latest reviews for Allergy & Immunology specialists

  • Dr. C. is a pleasant, professional caring and fun doctor. Answered all my questions on a keep it simple level and explained everything. He took his time. I will refer them when needed. What a great group!
    07 February 2024
    (6)
  • He is the best if you need help with panic attacks. He fixed up my medication and I feel better.
    31 January 2024
    (40)
  • Dr. Jungblut and staff are all professional, fun, conscientious. Been going here for a long time. My children and grandchildren now see Dr. Jungblut too.
    24 January 2024
    (7)
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