BD
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Diener, Pediatric Pulmonologist in East Setauket, NY?
Dr. Barry Diener, MD is a Pediatric Pulmonologist, who primarily practices in East Setauket, NY with 2 additional practice locations. He is board certified. Dr. Diener is fluent in English, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Diener’s office at (631) 444-8340.
Is Dr. Diener board certified as a Pediatric Pulmonologist?
Yes, Dr. Barry Diener, MD is board certified by the American Board of Pediatrics
What languages does Dr. Diener speak?
Dr. Diener and their clinical team can communicate with patients in the following languages:
English
What conditions does a Pediatric Pulmonologist like Dr. Diener typically treat?
As a Pediatric Pulmonologist, Dr. Diener diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Diener. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Mild Persistent Asthma
- Mild Intermittent Asthma
- Moderate Persistent Asthma
- Mild Persistent Asthma with Flare-up
- Asthma
- Ongoing Mild Asthma
- Regular Mild Asthma
- Chronic Mild Asthma
- Occasional Asthma
- Mild Asthma Attacks
- Infrequent Asthma
- Ongoing Moderate Asthma
- Regular Moderate Asthma
- Chronic Moderate Asthma
- Mild Asthma Exacerbation
- Worsening Mild Asthma
- Acute Asthma Attack
ICD-10 Codes:
- J4530: Mild persistent asthma, uncomplicated
- J4520: Mild intermittent asthma, uncomplicated
- J4540: Moderate persistent asthma, uncomplicated
- J4531: Mild persistent asthma with (acute) exacerbation
Also known as:
- Cough
- Coughing
- Persistent cough
- Chronic cough
ICD-10 Codes:
- R059: Cough, unspecified
Also known as:
- Cystic Fibrosis
- CF
- Mucoviscidosis
ICD-10 Codes:
- E849: Cystic fibrosis, unspecified
Also known as:
- Duchenne or Becker Muscular Dystrophy
- Muscular Dystrophy
- DMD
- BMD
- Duchenne Muscular Dystrophy
- Becker Muscular Dystrophy
ICD-10 Codes:
- G7101: Duchenne or Becker muscular dystrophy
What procedures does a Pediatric Pulmonologist like Dr. Diener typically perform?
As a Pediatric Pulmonologist, procedures performed by Dr. Barry Diener may include:
- Bronchoscopy
- Endobronchial Ultrasound (EBUS)
- Interventional Bronchoscopy
- Intrathoracic Adenopathy
- Lung Cancer Screening
- Lung Cancer Staging
- Lung Surgery Consultation
- Mechanical Ventilation
Please contact Dr. Diener's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Diener accept my insurance?
Dr. Diener accepts most major insurance plans. Important: Please call our office at (631) 444-8340 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Diener accept in East Setauket, NY?
Dr. Diener in East Setauket, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Centene Corporation
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
EmblemHealth
Healthfirst New York
MagnaCare Rx Administered Payer
Molina Healthcare
National Benefit Fund
UnitedHealth Group
View All Insurances
Where is Dr. Diener's office located?
Dr. Barry Diener's Primary Practice
4 Technology Dr
East Setauket, NY 11733
(631) 444-8340
What is Dr. Diener's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Diener's National Provider Identifier (NPI) number is 1629366372.
What common questions do patients ask about Dr. Diener?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Diener
What is Dr. Barry Diener's specialty?
Dr. Diener is a Pediatric Pulmonologist near East Setauket, NY.
What does a Pediatric Pulmonologist do?
A pediatrician dedicated to preventing and treating respiratory diseases in infants, children, and young adults. This specialist possesses in-depth knowledge of lung growth and development, assesses respiratory function in young patients, and is experienced in various invasive and noninvasive diagnostic techniques.
Is this Dr. Barry Diener affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Diener is affiliated with Stony Brook University Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Pediatric Pulmonologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Pediatric Pulmonologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Barry Diener accepting new patients in East Setauket, NY?
Yes, Dr. Barry Diener is accepting new patients at this time.
Does Dr. Barry Diener offer online booking?
Please contact Dr. Diener's office at (631) 444-8340 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Barry Diener?
Please contact Dr. Diener's office at (631) 444-8340 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Barry Diener have?
Dr. Barry Diener is certified by the American Board of Pediatrics.
Other Pediatric Pulmonologist Near East Setauket, NY
VM
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Dr. Vicki Masson, MD is a Pediatric Pulmonologist, who primarily practices in East Setauket, NY with 1 additional practice location.
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Dr. Catherine Kier, MD is a Pediatric Pulmonologist, who primarily practices in East Islip, NY with 2 additional practice locations.

Stony Brook Children's Hospital - Advanced Pediatric Care
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Dr. Mathew Ednick, DO is a Pediatric Pulmonologist, who primarily practices in Stony Brook, NY with 2 additional practice locations. He has been practicing for over 16 years and is board certified.
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