Dr. John A Ostuni, MD



Diabetes, Metabolism & Endocrinology     -  New York,  Freeport

 Overview

Dr. John A Ostuni, MD works in Freeport, New York is a specialist in Diabetes, Metabolism & Endocrinology, Internal Medicine and graduated Nassau County Med Center in 1974. Dr. Ostuni is affiliated with South Nassau Communities Hospital and practicing for 52 years

 Specialties

  • Diabetes, Metabolism & Endocrinology
  • Internal Medicine

 Conditions

• Abnormal Uterine Bleeding
• Adolescent Counseling
• Adrenal Incidentaloma
• Adrenal Insufficiency
• Adrenogenital Disorders
• Amphetamine and Other Psychostimulant Dependence
• Avascular Necrosis
• Broken Hand
• Byssinosis
• Congenital Mitral Stenosis
  ...
• Craniopharyngioma
• Dysplasia
• Dystonia Musculorum Deformans, Type 2
• Elbow Disorders
• Fear of Getting Married
• Food Allergy - Carp
• Food Allergy - Castor Bean
• Goiter
• Hernia Repair
• Hypovolemia
• Laryngopharyngeal Reflux
• Leg Wounds
• Localized Adiposity
• Major Depressive Disorder
• Metastatic Tumors (Brain)
• Monoclonal Gammopathy of Uncertain Significance
• Obsessive-Compulsive Disorder (OCD)
• Ptosis (Eyelids) Surgery
• Pubovaginal Sling
• Pulmonary Angiography
• Pulmonary Edema
• Pulmonary Function Tests
• Quadriceps Tendon Repair
• Radical Hysterectomies for Cervical Cancer
• Runny Nose
• Thymus Cancer
• Transient Tachycardia
• Tumor
 more details

 Board Certifications

  • Board Certified by the American Board of Internal Medicine

 Years Since Graduation

  • 52

 State License

  • New York

 Spoken Languages

  • Italian
  • Spanish

 Education & Training

Residency Hospital

Nassau County Med Center

East Meadow, NY, USA

Year completed: 1974

Medical School

Suny Downstate Medical Center College Of Medicine

Brooklyn, NY, United States

Graduated: 1971

 Awards

1   A Diab A
2   ACP
3   ASIM
4   Association Diabetes Association
5   Endocrin Society
6   Endocrins

 Dr. Ostuni Reviews

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 Office Locations


Primary location

 South Nassau Internal Medicine
155 West Merrick Road Suite 101
New York (NY)
Freeport
11520
 Phone:(516) 379-3139
Additional data:
Free Standing Surgery Center?    No
Office Volume:    85 patients per day
Performs Procedures On Site?    No

Accepting New Patients

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

 Map & Directions



South Nassau Internal Medicine, 155 West Merrick Road Suite 101, Freeport, New York (NY), 11520




 Insurances Accepted (check insurance plans)

  • Aetna
  • Aetna HMO
  • Blue Card PPO
  • Blue Cross Blue Shield
  • Capital District Physician's Health Plan (CDPHP)
  • Capital District Physician's Health Plan (CDPHP) HMO
  • Choice Plus POS
  • Choice Plus POS II
  • Cigna
  • Cigna HMO
  • Cigna PPO
  • Commercial Insurance Company
  • Emblem Health
  • EmblemHealth
  • Empire Blue Cross Blue Shield
  • Empire Blue Cross Blue Shield HMO
  • First Health (Coventry Health Care)
  • First Health (Coventry Health Care) PPO
  • Freedom Plan
  • Great West Healthcare-Cigna PPO
  • Humana
  • MagnaCare
  • MagnaCare PPO
  • Medicaid
  • Medicare
  • Medicare MCR
  • MultiPlan
  • MultiPlan PPO
  • Navigate HMO
  • Navigate POS
  • Open Access Plus
  • Options PPO
  • Oxford Health Plans
  • Oxford Liberty
  • Pathway Enhanced Guided Access
  • PHCS Network PPO
  • Prism Blue Priority EPO
  • United Healthcare
  • UnitedHealthCare

* Please verify this information when scheduling an appointment.

 Blog Posts

Blog Posts for Dr. John A Ostuni, MD are not present.

 Patients Questions

Patients questions for Dr. John A Ostuni, 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 Diabetes, Metabolism & Endocrinology 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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