What patients are saying
Overall rating
4.75
Average wait time
4.58
Bedside manner
4.42
“Dr.Feiner came highly recommended and I am so happy I listened to my friends. He asked me all the right questions that an endocrinologist is supposed to ask. We discussed all of my medications and exercise. He is an expert in Diabetes and the best doctor I could find with my health issues I am going through.”
Jill D.May 7, 2024
About Dr. Joshua Feiner
Joshua Feiner, MD is a board-certified endocrinologist who earned his Doctor of Medicine from the State University of New York, Stony Brook. He completed his internship and fellowship in endocrinology at the same institution. Dr. Feiner has published diabetes-related research and worked as a clinical endocrinologist on Eastern Long Island for four years before joining the Island Medical Group.
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In-network insurances
99% of patients have successfully booked with these insurances
Aetna
BlueCross BlueShield
Cigna
Emblem Health
UnitedHealthcare
UnitedHealthcare Oxford
Areas of expertise
This doctor's experience enhances their expertise in similar cases. Below are the conditions or surgeries they treat most frequently.
Underactive thyroid
Enlarged thyroid
Overactive thyroid
Parathyroid gland disorder
Calcium and Mineral Disorders
Chronic diabetes
Underactive thyroid
Enlarged thyroid
Overactive thyroid
Parathyroid gland disorder
Office location
Education and background
Practice names
Hospital affiliations
- Plainview Hospital
Board certifications
- Endocrinology, Diabetes & Metabolism (American Board of Internal Medicine)
Education and training
- Medical School - State University of New York, Stony Brook, Doctor of Medicine
- State University of New York, Stony Brook (Fellowship)
- State University of New York, Stony Brook (Internship)
Languages spoken
- English
Provider's gender
Male
NPI number
1750560421
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.75
Wait time
4.58
Bedside manner
4.42
Your trust is our top concern, so providers can't pay to alter or remove reviews. We also don't publish reviews that contain any private patient health information. Learn more here
69 reviews
Most relevant
Dr. Feiner has excellent bedside manners. Very kind and knowledgeable. thank you
January 21, 2026Yahaira V.Verified patient
My provider and medical term were professional and courtesy.
April 6, 2025Jubalee W.Verified patient
Dr. Feiner was professional and kind.
September 16, 2024Lauren G.Verified patient
He’s very professional but same story to each patient. I told him I wanted more in depth check he’s like I’ll check in a year..
May 31, 2024Charles M.Verified patient
Dr.Feiner came highly recommended and I am so happy I listened to my friends. He asked me all the right questions that an endocrinologist is supposed to ask. We discussed all of my medications and exercise. He is an expert in Diabetes and the best doctor I could find with my health issues I am going through.
May 7, 2024Jill D.Verified patient
January 30, 2026Joann N.Verified patient
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How soon can I make an appointment with Dr. Joshua Feiner?
Generally, Dr. Joshua Feiner has appointments available on Zocdoc within 1 week. You can see Dr. Feiner's earliest availability on Zocdoc and make an appointment online.
Is Dr. Joshua Feiner accepting new patients?
Dr. Joshua Feiner generally accepts new patients on Zocdoc. You can see Dr. Feiner's earliest availability on Zocdoc and schedule an appointment online.
Does Dr. Joshua Feiner accept my insurance?
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Can I make an appointment with Dr. Joshua Feiner online?
Yes, you can make an appointment online with Dr. Feiner using Zocdoc. It’s simple, secure, and free.
Which hospital is Dr. Joshua Feiner affiliated with?
Dr. Joshua Feiner is affiliated with Plainview Hospital.
What practice does Dr. Joshua Feiner work with?
Dr. Joshua Feiner works with Optum Medical Care, P.C..
Where is Dr. Joshua Feiner's office located?
Dr. Joshua Feiner's office is located at 4045 Hempstead Tpke, Bethpage, NY 11714.
Which board certifications does Dr. Joshua Feiner have?
Dr. Joshua Feiner is certified by Endocrinology, Diabetes & Metabolism (American Board of Internal Medicine).
What are common reasons for patients to see Dr. Joshua Feiner?
Dr. Joshua Feiner frequently sees patients for Endocrinology Consultation, Erectile Dysfunction / Impotence / Male Sexual Dysfunction, Hair Loss, Thyroid Evaluation, and Weight Loss Consultation. You can see other visit reasons for Dr. Joshua Feiner on their profile.
What languages does Dr. Joshua Feiner speak?
Dr. Joshua Feiner speaks English.
How do patients rate Dr. Joshua Feiner in reviews?
69 patients have reviewed Dr. Joshua Feiner. The overall rating for this doctor is 4.75/5. They have a 4.42/5 rating for bedside manner and a 4.58/5 rating for wait time. You can read individual reviews and ratings on their profile.