What patients are saying
Overall rating
4.77
Average wait time
3.50
Bedside manner
4.50
About Dr. Mark Jagust
Mark J. Jagust, MD, DABFP, has more than three decades of experience in family medicine. He can see patients that are ages 16 or older only.
Dr. Jagust earned his Medical Degree at St. George University and completed his Family Medicine Residency at Southside Hospital. He serves as an Attending Physician at John T. Mather Memorial Hospital and University Hospital at Stony Brook, where he also serves as an Assistant Professor.
Before joining NY Health, Dr. Jagust has been in private practice. He is bilingual and is fluent in English and French.
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In-network insurances
99% of patients have successfully booked with these insurances
Aetna
BlueCross BlueShield
Cigna
Emblem Health
Medicare
UnitedHealthcare
Areas of expertise
This doctor's experience enhances their expertise in similar cases. Below are the conditions or surgeries they treat most frequently.
Chronic anemia
Chronic diabetes
Insomnia
Underactive thyroid
Chronic high blood pressure
High cholesterol
Chronic anemia
Chronic diabetes
Insomnia
Underactive thyroid
Office location
Education and background
Practice names
Board certifications
- American Board of Family Medicine
Education and training
- Medical School - St. George's University School of Medicine, Doctor of Medicine
- Southside Hospital, Residency in Family Medicine
Awards and publications
- Castle Connolly Top Doctor
Languages spoken
- English
- French
Provider's gender
Male
NPI number
1467493494
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.77
Wait time
3.50
Bedside manner
4.50
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
48 reviews
Most relevant
Very thorough medical appointment, excellent doctor, nurses and staff.
June 24, 2025Christopher H.Verified patient
Great appointment, all concerns addressed. Everyone in the office was very nice.
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Fantastic experience!
November 13, 2024Robert D.Verified patient
Felt very comfortable being there.
April 5, 2024Frank S.Verified patient
felt very comfortable
March 27, 2024Jennie S.Verified patient
March 16, 2026Katie M.Verified patient
September 30, 2025Anthony L.Verified patient
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July 1, 2024Stephen H.Verified patient
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January 7, 2024Nhora G.Verified patient
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February 12, 2023Brenda R.Verified patient
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How soon can I make an appointment with Dr. Mark Jagust?
Generally, Dr. Mark Jagust has appointments available on Zocdoc within 1 week. You can see Dr. Jagust's earliest availability on Zocdoc and make an appointment online.
Is Dr. Mark Jagust accepting new patients?
Dr. Mark Jagust generally accepts new patients on Zocdoc. You can see Dr. Jagust's earliest availability on Zocdoc and schedule an appointment online.
Does Dr. Mark Jagust accept my insurance?
Choose your insurance plan to verify if Dr. Jagust is in-network.
Can I make an appointment with Dr. Mark Jagust online?
Yes, you can make an appointment online with Dr. Jagust using Zocdoc. It’s simple, secure, and free.
What practice does Dr. Mark Jagust work with?
Dr. Mark Jagust works with New York Health.
Where is Dr. Mark Jagust's office located?
Dr. Mark Jagust's office is located at 2835 Middle Country Rd, Lake Grove, NY 11755.
Which board certifications does Dr. Mark Jagust have?
Dr. Mark Jagust is certified by American Board of Family Medicine.
What are common reasons for patients to see Dr. Mark Jagust?
Dr. Mark Jagust frequently sees patients for Annual Physical, Hand Problems, Hearing Problems, Illness, and Sleep Problems. You can see other visit reasons for Dr. Mark Jagust on their profile.
What languages does Dr. Mark Jagust speak?
Dr. Mark Jagust speaks English and French.
How do patients rate Dr. Mark Jagust in reviews?
48 patients have reviewed Dr. Mark Jagust. The overall rating for this doctor is 4.77/5. They have a 4.5/5 rating for bedside manner and a 3.5/5 rating for wait time. You can read individual reviews and ratings on their profile.