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Gregory Breen

Gregory Breen, MD

Sleep MedicinePulmonologyCritical Care Medicine

Accepting New Patients
Video Visit
Need help scheduling? Call 800-467-7472

Highlights

Age Groups Seen

  • Adult 18-65
  • Older Adult >65

Languages

  • English

Gender

Male

About Gregory Breen

About The Provider

Dr. Gregory Breen, MD is the Medical Director of Inspira Pulmonary Rehab Mullica Hill. He is a pulmonary, critical care, sleep specialist at Inspira Medical Center Mullica Hill and serves as the associate medical director of Sleep Medicine. He received his medical degree from the Medical College of Pennsylvania and completed his internship at Allegheny Medical Hospital, residency at the Medical College of Pennsylvania and fellowship in pulmonary, critical care and sleep medicine at Hahnemann University Hospital. Dr. Breen is board certified by the American Board of Internal Medicine and the American Academy of Sleep Medicine.
Dr. Breen provides his patients with evaluation, diagnosis, and treatment of a full range of sleep and lung disorders. He uses a patient-centered approach, dovetailed with data-driven analyses to arrive at diagnoses and to recommend medical interventions that are best suited to the patient’s values and expectations. Dr. Breen has been named a South Jersey Top Doc in Pulmonary and Sleep Medicine multiple times.
For Dr. Breen, family is everything. His favorite cuisine can be classified as anything his wife cooks and his favorite vacation is spending time on the beach with his family. His favorite things in New Jersey are golfing, playing with his dog, Rex, and cat, Sasha, and seeing the people in his community. He is currently accepting new patients.

Awards

Top Physician South Jersey Magazine 2020, 2021
Top Doc SJ Magazine 2021
Jersey Choice Top Doctors 2021
Suburban Families Five Star Physicians 2022
South Jersey Magazine: Top Physicians for Women May 2023
SJ Magazine 2023 Top Doctors
South Jersey Magazine: Top Physicians 2023
Suburban Family Magazine: Five Star Physician 2024
South Jersey Magazine: Top Physicians for Women 2024
SJ Mag Top Docs 2025

Hospital Affiliations

Inspira Medical Center Mullica Hill
Inspira Medical Center Elmer
Inspira Medical Center Vineland

Locations

  1. Inspira Pulmonology
  2. Inspira Pulmonology

Expertise

Education

  • Fellowship Program: MCP-Hahnemann University Hospital, Pulmonary/Crit Care, 2001
  • Residency Program: Drexel University College of Medicine, Internal Medicine, 1998
  • Internship Program: Allegheny General Hospital, Internal Medicine, 1995
  • Medical School: Drexel University College of Medicine, Doctor of Medicine, 1994

Insurance

Please contact the practice to find out if your health plan is accepted.
Search plans
  • Aetna Commercial
  • Amerigroup
  • Amerihealth
  • Cigna
  • Cigna HealthSpring
  • Clover Health
  • Consumer Health Network
  • Horizon BCBS
  • Horizon NJ Health
  • Humana
  • Humana Military
  • MagnaCare
  • Medicare
  • Multiplan
  • Optum
  • Qualcare
  • Self Pay
  • United/Oxford
  • WellCare

Ratings & Reviews

4.9 out of 5

578 ratings, 101 reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Provider showed concern
Provider explained things clearly
Provider included you in decisions
Likelihood of recommending this provider
Provider discussed treatment options
Search reviews
    5 out of 5 stars
    Reviewed on 1/27/2026

    Good

    5 out of 5 stars
    Reviewed on 1/26/2026

    Dr Breen is fabulous. He said he needed to get me better and then explained the drugs to me and how to use this particular inhaler.

    5 out of 5 stars
    Reviewed on 1/26/2026

    I think so much of Dr Breen that I travel from Delaware to see him

    5 out of 5 stars
    Reviewed on 1/26/2026

    Dr. Breen is always completely thorough

    5 out of 5 stars
    Reviewed on 1/26/2026

    Dr. Breen is amazing! When I leave his office, I feel good about my health and any issues needing attention., plus he's just a really nice Dr.!

    5 out of 5 stars
    Reviewed on 1/26/2026

    Good

    5 out of 5 stars
    Reviewed on 1/20/2026

    Had a excellent experience and discussion with Dr Breen

    5 out of 5 stars
    Reviewed on 1/15/2026

    Dr. Breen is an awesome doctor that I would highly recommend.

    5 out of 5 stars
    Reviewed on 12/31/2025

    If it wasn't for Dr Breen finding my pulmonary embolism. I probably wouldn't be here today . A great DR

    5 out of 5 stars
    Reviewed on 12/29/2025

    ALL PROFESSIONAL

    5 out of 5 stars
    Reviewed on 12/29/2025

    Dr Breen is very thorough

    5 out of 5 stars
    Reviewed on 12/29/2025

    Dr Breen is caring, very clear explanations. I felt him to be an excellent Physician. As a retired Physician, that is high praise I give him

    5 out of 5 stars
    Reviewed on 12/18/2025

    I have and will recommend this practice to any and everyone who asks. Dr Breen and his team have taken wonderful care of me.

    5 out of 5 stars
    Reviewed on 12/15/2025

    I was very happy that Dr. Breen was the one actually providing my care. The way the is office has provided such top notch care is the reason why I am switching my primary care to another Inspira practice.

    5 out of 5 stars
    Reviewed on 12/9/2025

    I was please to have him as my doctor.

    5 out of 5 stars
    Reviewed on 12/8/2025

    Dr Breen provided me with excellent , friendly and informative care

    5 out of 5 stars
    Reviewed on 12/8/2025

    Dr. Breen was the first doctor to discover that my ferritin was low. He picked up a discrepancy on my breathing test and ordered the appropriate bloodwork. I am very thankful because now I can hopefully begin to feel more like myself.

    5 out of 5 stars
    Reviewed on 12/1/2025

    Dr Breen is always thorough and caring. He always focuses on me and listens to my concerns or questions. I feel he always has my best interest at heart.

    5 out of 5 stars
    Reviewed on 12/1/2025

    Dr Breen has always been excellent in explaining what he's doing and the reason behind it.

    5 out of 5 stars
    Reviewed on 11/26/2025

    Dr Breen is great!

    5 out of 5 stars
    Reviewed on 11/21/2025

    Dr Breen is the best. The most caring doctor I have ever seen.

    5 out of 5 stars
    Reviewed on 11/21/2025

    Everyone was so professional and caring.

    5 out of 5 stars
    Reviewed on 11/19/2025

    ER DR. ASSISTANT was very helpful and informed me of everything

    5 out of 5 stars
    Reviewed on 11/17/2025

    Dr. Breen is wonderful! In all aspects. As well as his staff. They take the time to listen, empathize, assist, explain, and include in health plan.

    5 out of 5 stars
    Reviewed on 11/10/2025

    Dr Breen is the best lung doctor in New Jersey. He is very knowledgeable

    5 out of 5 stars
    Reviewed on 11/3/2025

    Dr breen has aways been great at communicating my treatment options and for that I'm greatfull

    5 out of 5 stars
    Reviewed on 10/28/2025

    Great place to come to.

    5 out of 5 stars
    Reviewed on 10/27/2025

    Excellent visit and the doctor answered all of my questions and even made sure to share all information with my primary care physician.

    4 out of 5 stars
    Reviewed on 10/27/2025

    Spoke about a medication's but have heard anything from him regarding that.

    5 out of 5 stars
    Reviewed on 10/25/2025

    Very good.

    5 out of 5 stars
    Reviewed on 10/23/2025

    Elite care provider experience

    5 out of 5 stars
    Reviewed on 10/22/2025

    Dr Breen spent lots of time with me and my husband. He even told us about a new prescription to help my husband with pulmonary fibrosis.

    5 out of 5 stars
    Reviewed on 10/22/2025

    Dr, Breen is an excellent doctor. Great bedside manners. I would highly recommend him. Thank you Dr. Breen.

    4 out of 5 stars
    Reviewed on 10/20/2025

    I only Dawn him time so can't make comments yet

    5 out of 5 stars
    Reviewed on 10/20/2025

    Dr Breen is SO THORIUGH!! He explains everything and shows us my scabs on his computer and explains what he is seeing!

    5 out of 5 stars
    Reviewed on 10/20/2025

    I love Dr Breen'

    5 out of 5 stars
    Reviewed on 10/20/2025

    Dr. Breen is an excellent physician. He is so thorough and very knowledgeable about my bronchial asthma. His directions on how to handle the condition have been successful in allowing me to live with the condition and keep from getting sick. However, I do have the occasional flare and he is quick to do the necessary testing and suggest a remedy. He is also very kind and an excellent listener.

    5 out of 5 stars
    Reviewed on 10/20/2025

    Dr Breen cleared up some important questions I had about treatments.

    5 out of 5 stars
    Reviewed on 10/20/2025

    Dr Breen is an excellent excellent doctor. He takes the time and listens to you, talks over your health with you, advises you. He's friendly he's caring. I can't say enough about him. And if you ever have any questions he gets back to you immediately.

    5 out of 5 stars
    Reviewed on 10/20/2025

    Dr Breem explains and takes the time to make sure I understood everything...

    5 out of 5 stars
    Reviewed on 10/20/2025

    Very good nurses and dr

    5 out of 5 stars
    Reviewed on 10/4/2025

    Great

    5 out of 5 stars
    Reviewed on 10/4/2025

    I have recommended Dr Breen to Everyone that needs his assistance

    5 out of 5 stars
    Reviewed on 9/29/2025

    I've been seeing Dr Breen for quite some time now. He takes very good care of me

    5 out of 5 stars
    Reviewed on 9/16/2025

    DR BREEN ALWAYS TAKES TIME TO LISTEN TO YOY. DOES NOT RUSH YOU LIKE OTHER DRS

    5 out of 5 stars
    Reviewed on 9/15/2025

    Dr Breen always listens and he is very attentive. He is always very friendly and my appointments with Dr Breen are always very pleasant

    5 out of 5 stars
    Reviewed on 9/15/2025

    I think he's one of the best Doctors around

    5 out of 5 stars
    Reviewed on 9/9/2025

    I did not go for any risk factor I was going for a checkup. All is well..

    5 out of 5 stars
    Reviewed on 8/25/2025

    Dr. Breen is attentive and focused on me during my visit. He listens to my concerns and expresses his concerns during open dialogue. I always have the feeling that he genuinely cares about my health and progression of my disease and what is the next steps in the course of treatment.

    5 out of 5 stars
    Reviewed on 8/21/2025

    My former medical doctor retired, I made a right choice with Dr. Gregory Breen

    5 out of 5 stars
    Reviewed on 8/18/2025

    Ok

    5 out of 5 stars
    Reviewed on 8/18/2025

    Dr. was the best care giver. Good back & forth with Dr. Breen.

    5 out of 5 stars
    Reviewed on 8/18/2025

    Good

    5 out of 5 stars
    Reviewed on 8/16/2025

    Dr Breen caught a potential problem. Contacted surgeon and within an hour I had an appointment with the surgeon.

    5 out of 5 stars
    Reviewed on 8/4/2025

    Appt was 25 late which was fine but the entire call was only 5 minutes so I hope I'm not getting charged a copay

    5 out of 5 stars
    Reviewed on 8/4/2025

    Understood what I was saying

    5 out of 5 stars
    Reviewed on 8/4/2025

    None

    5 out of 5 stars
    Reviewed on 7/29/2025

    Dr. Breen listens and made me feel I could talk to him about anything.

    5 out of 5 stars
    Reviewed on 7/28/2025

    Very helpful with my CPAP equipment.

    5 out of 5 stars
    Reviewed on 7/18/2025

    Dr Breen is a GEM

    5 out of 5 stars
    Reviewed on 7/16/2025

    Dr. Breen is GREAT!

    5 out of 5 stars
    Reviewed on 7/14/2025

    Dr. Breen is an excellent physician and his bedside manner is excellent.

    5 out of 5 stars
    Reviewed on 7/14/2025

    Nicest doctor ever! Love him

    5 out of 5 stars
    Reviewed on 7/14/2025

    U felt Dr. Breen was very thorough. He addressed all my questions and explained the results of my C.T. Scan.

    5 out of 5 stars
    Reviewed on 7/14/2025

    Always thorough, thoughtful and considerate

    5 out of 5 stars
    Reviewed on 7/14/2025

    Very good

    5 out of 5 stars
    Reviewed on 7/5/2025

    Dr. Breen is an excellent doctor and he really cares about my health

    5 out of 5 stars
    Reviewed on 7/2/2025

    The doctor was very pleasant and on point talk to me about everything about any problems I had

    5 out of 5 stars
    Reviewed on 6/30/2025

    Dr Breen was friendly and professional as always.

    5 out of 5 stars
    Reviewed on 6/27/2025

    Dr Breen was extremely helpful and informative

    5 out of 5 stars
    Reviewed on 6/24/2025

    Dr Breen's office prescribed a different nebuluzer treatment that has really helped me.

    5 out of 5 stars
    Reviewed on 6/23/2025

    Dr. Breen explained the results of the chest CT procedure that I had done. He completely reassured me that the results were good but that he would continue to follow up with me in 3 months.

    5 out of 5 stars
    Reviewed on 6/23/2025

    Dr Breen has always shared all information, xrays etc and is always responsive to all my questions

    5 out of 5 stars
    Reviewed on 6/23/2025

    Dr. Breen is a great physician. He is very caring and helpful and very knowledgeable and professional. I have and will continue to recommend him.

    5 out of 5 stars
    Reviewed on 6/23/2025

    Good experience !!

    5 out of 5 stars
    Reviewed on 6/16/2025

    Dr. Gregory Breen reviewed my problems, recommended a new medication for me to try. Contacted company to supply medication, and explained my treatment. Dr. Breen is very easy to talk to and understand his directions.

    4 out of 5 stars
    Reviewed on 6/6/2025

    Never met Dr either in person or telemed

    5 out of 5 stars
    Reviewed on 6/4/2025

    Amazing dr!

    5 out of 5 stars
    Reviewed on 6/3/2025

    Dr Breen is very direct about the severity of my lung function. I like that he is honest and forthcoming

    5 out of 5 stars
    Reviewed on 6/2/2025

    He saved my life more than once.love him.

    5 out of 5 stars
    Reviewed on 5/16/2025

    I have and will refer anyone who asks me about a pulmonologist to Dr. Breen.

    5 out of 5 stars
    Reviewed on 5/16/2025

    Excellent Dr.

    5 out of 5 stars
    Reviewed on 5/14/2025

    Efficient!!

    5 out of 5 stars
    Reviewed on 5/13/2025

    My wife can with me and she asked a lot of questions. Dr Breen patiently answered every one.

    5 out of 5 stars
    Reviewed on 5/13/2025

    Dr. Breen is the best! I've recommend a lot of people to Dr. Breen and they love him too!!

    5 out of 5 stars
    Reviewed on 5/10/2025

    Dr. BREEN and his staff are the best.

    5 out of 5 stars
    Reviewed on 5/9/2025

    The breathing test teach, the assistant and the doctor or absolutely phenomenal. No delays, great compassion, and respect

    5 out of 5 stars
    Reviewed on 5/7/2025

    I have referred Dr Breen to others

    5 out of 5 stars
    Reviewed on 5/5/2025

    Good

    5 out of 5 stars
    Reviewed on 5/5/2025

    Can't say enough good things about Dr. Breen!

    5 out of 5 stars
    Reviewed on 5/2/2025

    Good

    5 out of 5 stars
    Reviewed on 4/30/2025

    Love Dr Breen

    5 out of 5 stars
    Reviewed on 4/28/2025

    Dr Breen is a great doctor

    5 out of 5 stars
    Reviewed on 4/28/2025

    Was a good experience and I will definitely recommend this practice to all of my friends

    4 out of 5 stars
    Reviewed on 4/28/2025

    I continue to wait for the at home sleep study kit almost 2 weeks later.

    5 out of 5 stars
    Reviewed on 4/23/2025

    Doctor Breen is an excellent doctor for me for how many years. He is the best doctor in South Jersey. And his staffs are very nice.

    5 out of 5 stars
    Reviewed on 4/22/2025

    No problem with Dr BreemProblem with front desk not taking care of the situation sooner

    5 out of 5 stars
    Reviewed on 4/21/2025

    Gregory Breen, M.D. Is an excellent physician and I am so blessed to be in his care. He goes over every aspect of my bronchial asthma and discusses how the prescribed treatments will work to keep the condition under control. Dr. Breen has a gracious and caring bedside manner. I always leave the appointment feeling hopeful and with a smile on my face.

    5 out of 5 stars
    Reviewed on 4/21/2025

    I love how Dr Breen really listens to me and answers my questions.

    5 out of 5 stars
    Reviewed on 4/21/2025

    Dr Breen is so knowledgeable and compassionate at the same time. Wouldn't want to see any other pulmonary doctor!!

    5 out of 5 stars
    Reviewed on 4/17/2025

    Loved Dr. Breen! Wish he was a cardiologist too. Great demeanor and professionalism.