Thaddeus J Grabowy, MD
Gastroenterology

4.9 out of 5,
Accepting new patients
Provider Information
Specialties
Gastroenterology
Languages
English
Age groups seen
Adults
Adults Over 65
Hospital affiliations
Hackensack Meridian Medical Group
Riverview Medical Center
Education
St. Vincent's Hospital Medical Center-Staten Island
Fellowship, Gastroenterology, 1993
Medstar-Georgetown University Hospital
Residency, 1989
Medstar-Georgetown University Hospital
Internship, 1987
Institute of Medical Sciences Varanasi
Medical Education
Certifications
Internal Medicine - American Board of Internal Medicine - 1989
Verified 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.
4.9 out of 5
390 ratings,
76 reviews
7/1/2026
Dr Grabowy took over the practice from our wonderful Dr [last name]. While we deeply miss Dr [last name] Dr Grabowy has been amazing to work with.
6/28/2026
Dr Grabowy is the best!
6/24/2026
The face that you cannot reach the office directly is annoying
6/22/2026
I like Dr grabowy and respect him Greatly ua appreciate his direct approach
6/17/2026
I have recommended Dr. Grabowy and Dr. Gardilla to several people
5/24/2026
Dr.Grabowy is an excellent doctor. He listens to his patient and provides appropriate and excellent care for one's health needs.
5/12/2026
Keep up the good care.
5/4/2026
Very prompt in giving me results of tests and discussing a plan of action. Very important and helpful.
4/28/2026
Thank you Kathryn for setting up this last minute appointment.
4/15/2026
I’ve been going for 30 years now never a problem
4/3/2026
Dr Grabowy is a good listener for my issues and complains and always responsive with a very timely manner, whether via phone or online communications.
3/29/2026
very professional and was respectful.
3/27/2026
Rocsann Makes the visit better! DR Grabowy assistant!!
3/17/2026
Friendly and patience with me.
3/16/2026
Excellent attention to my needs as a long standing client
3/14/2026
Just an FYI - I donate for Doctors day in honor of Dr Grabowy each year. Being able to see the provider you need to see at the time you need them is critical to good health care. Availability of a provider makes such a difference when something is wrong, not emergent, but more important than "we'll see you in 3 weeks". I was fortunate to have been able to get a shorter term appointment and received the care needed and am now recovering before the original appointment offering. I owe this to Dr Grabowy and the staff at his office.
3/10/2026
Dr. Grabowy is great!
3/10/2026
Dr Grabowy is a fantastic person and I'm very lucky to be his patient.
3/1/2026
He was very nice and easy to talk to.
3/1/2026
I have confidence in my doctor’s attention, concern, and skills.
2/24/2026
I have been a patient for a very long time and the doctor knows my family history very well since he took care of my parents.
2/16/2026
It is nice have a lab at the office to get them done right after meeting with the doctor.
2/16/2026
Dr. Grabowy has been caring for my health issues for many years. I feel very fortunate to have found this amazing doctor.
2/14/2026
all good
2/14/2026
Hackensack is great.
1/25/2026
been going there for years for test. Alway's been this way friendly fast and helpful
1/20/2026
Thank God for Dr. Grabowy
1/16/2026
Patient to explain information and listen to what I had to say
12/24/2025
Dr GRABOWY is extremely thorough and easy to understand. He takes the time needed to and really cares about my well being. I've recommended him to several of my family and friends. He's the best! The staff is very helpful, professional and polite. I can't say enough great things about this medical group.
12/22/2025
Dr. Grabowy did a very good job of diagnosing me and sending me to the right tests.
12/18/2025
I have been a patient of Dr. Grabowy for 30 years and have alway found him to be exceptional in caring for me and my health.
12/16/2025
M experience was excellent.
12/11/2025
Dr. Grabowy took his time with the consultation and listened to me.
12/10/2025
Excellent- since I hadn't seen this provider in 6 years, there was a question as to whether I was still considered a patient. But, the front desk was helpful in understanding my concern and booked me an appointment foe the following week- much appreciated
12/8/2025
Everything was excellent with Dr. Grabowy. Thanks!
12/2/2025
Personable, professional and patient with explaining things to me
12/2/2025
Just for a flu vaccine
11/26/2025
Excellent service.
11/19/2025
The doctor answered all the questions I had. Was referring to his notes on the computer to the previous conversations we had. Was very knowledgeable about my case.
11/13/2025
The only complaint I have about the visit is when I called to schedule it, I was told there were no appointments available until December and I needed to see Dr. Grabowy shortly. While Roxanne, who was his assistant, said she would email him, I said no, I would. It turned out I did get the appointment the next day. But there needs to be provisions where Dr. Grabowy does see people on an urgent basis, even if they're in, in addition to his regular scheduling, whether it's before or after hours. That's the only complaint that I have. I do think Dr. Grabowy is an excellent doctor. Thank you.
11/12/2025
It was great Everyone in office was very helpful and nice I had questions for the doctor and he answered them with advice and professionalism..he recommended me to a specialist for one of my concerns I would highly recommend him to others
11/11/2025
I just feel that the doctor should exhibit more empathy and compassion for a senior patient who experiences pain constantly with back and knees and ?
11/10/2025
Dr Grabowy was very thorough and caring about the issue I was having. I would recommend him to everyone.
11/10/2025
Dr. Grabowy is professional and thorough.
11/4/2025
Excellent physician
11/3/2025
Dr. Grabowy was very knowledgeable and caring. He listened well and offered good advice. I feel very comfortable with him and am glad to have him for my doctor.
10/22/2025
It was my first visit to Dr Grabowy and I found him to be professional, friendly and attentive to my concerns. He even called the next morning about my blood work and prescribed an adjustment to my medication.
10/21/2025
Great!
10/20/2025
Dr Grabowy is a wonderful Dr. he takes his time and answers any/all questions and is very kind
10/11/2025
So glad Dr. Grabowy could see me, and is sending me for an X -Ray to further see what is causing my constipation problem.
10/8/2025
very pleasant, made me at ease although I have no known cardio issues in the past or suspected now but testing will tell
10/6/2025
Dr. Grabowy has been my primary physician for many years and I highly value his skills and expertise. I trust him with all my medical needs and questions.
10/6/2025
Dr. G and his assistant were very helpful
10/2/2025
My experience with Hackensack Meridian Health is everything I asked for. Great Doctors, staff and can get all testing done all at one time. I would never go anywhere else.
10/2/2025
I've been with Dr. Grabowy for a very long time. I wouldn't go to anybody else. He knows me really well. When I do, he does a colonoscopy. He knows exactly, you know, my body.
10/1/2025
I would have given higher rating but 2 of my previous appointments were cancelled by the doctor's office. One was cancelled on the actual day of my appointment (not giving me the 24 hr notice that they require from patients!!!)
9/22/2025
Dr. Grabowy is the best!
9/18/2025
The office staff is pleasant and helpful. Dr. Grabowy is excellent. The office has its own blood lab.
9/17/2025
Dr G and his staff are excellent
9/11/2025
Dr Grabowy and his staff were open and honest and extremely helpful to meet my needs
9/9/2025
I've been going to Dr. Grabowy for many years now and he's always taken good care of me.
9/9/2025
And I was in and out and no time quick fast and easy professional very professional Okay Have a good day. Bye
9/2/2025
Very informative first visit. Thank you
8/28/2025
It was more than I expected
8/27/2025
It's a new doctor for me and new office and they made me feel very comfortable
8/18/2025
wife and I have been seeing Dr Grabowy for some 25y yrs and would never think of going to another MD always considerate of our concerns.
8/7/2025
Dr. Grabowy was a very, very nice, wonderful bedside man. I really liked him a lot.
8/7/2025
Dr. Grabowy took the time to explain everything to me about limitations and what needs to be done after my procedure and being on blood thinners.
7/31/2025
Dr. Grabowy has been my primary care provider for many years, and he takes a vested interest in my health, often visiting me on other doctors' procedures. I would recommend him to anybody. Thank you.
7/31/2025
Excellent as usual.
7/29/2025
CLEAN OFFICE DOCTOR LOOKED CLEAN, SHARP, PREPARED GOOD PARKING
7/28/2025
Dr. Grabowy is a wonderful physician. He is always up to date about your medical history. He reviews any new issues with you and patiently gives you the best advice and is up to date on all the latest procedures that a patient might be inquiring about. He gets back to you with the results of any tests that he has ordered for you as soon as they are made available to him. He reviews them with you and advises you as to what has to be done next and then he makes arrangements for the procedure I.e. iron infusions. I highly recommend Dr. Grabowy
7/24/2025
I was very pleased with the doctor and his staff.
7/23/2025
I have the upmost respect and confidence in Doctor Grabowy.
7/19/2025
Dr. Grabowy was excellent
7/10/2025
We are very happy with our provider. We've been seeing this doctor for many years now. I answered the questions. We're above satisfied with everything. And that's it, that's my feedback. It's very good. Thank you.
Insurance Coverage
Note:Please contact the practice directly to confirm your health plan is in network.
Aetna
Aetna Better Health
Amerihealth
Cigna
Claritev
Clover Health
Fidelis Care
Horizon Blue Cross Blue Shield of New Jersey (Horizon BCBSNJ)
Horizon Blue Cross Blue Shield of New Jersey (Horizon NJ Health)
Karna WTC
MagnaCare
Medicaid
Medicare
Oxford Health Plans
QualCare
Railroad Medicare
TRICARE
United Healthcare (UHC)
UnitedHealthcare (UHC) Community Plan
US Family Health Plan
Wellpoint
Health and Wellness Center
Comprehensive care in one location—for you and your family.
Provider Information
Specialties
Gastroenterology
Languages
English
Age groups seen
Adults
Adults Over 65
Hospital affiliations
Hackensack Meridian Medical Group
Riverview Medical Center
Education
St. Vincent's Hospital Medical Center-Staten Island
Fellowship, Gastroenterology, 1993
Medstar-Georgetown University Hospital
Residency, 1989
Medstar-Georgetown University Hospital
Internship, 1987
Institute of Medical Sciences Varanasi
Medical Education
Certifications
Internal Medicine - American Board of Internal Medicine - 1989
Verified 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.
4.9 out of 5
390 ratings,
76 reviews
7/1/2026
Dr Grabowy took over the practice from our wonderful Dr [last name]. While we deeply miss Dr [last name] Dr Grabowy has been amazing to work with.
6/28/2026
Dr Grabowy is the best!
6/24/2026
The face that you cannot reach the office directly is annoying
6/22/2026
I like Dr grabowy and respect him Greatly ua appreciate his direct approach
6/17/2026
I have recommended Dr. Grabowy and Dr. Gardilla to several people
5/24/2026
Dr.Grabowy is an excellent doctor. He listens to his patient and provides appropriate and excellent care for one's health needs.
5/12/2026
Keep up the good care.
5/4/2026
Very prompt in giving me results of tests and discussing a plan of action. Very important and helpful.
4/28/2026
Thank you Kathryn for setting up this last minute appointment.
4/15/2026
I’ve been going for 30 years now never a problem
4/3/2026
Dr Grabowy is a good listener for my issues and complains and always responsive with a very timely manner, whether via phone or online communications.
3/29/2026
very professional and was respectful.
3/27/2026
Rocsann Makes the visit better! DR Grabowy assistant!!
3/17/2026
Friendly and patience with me.
3/16/2026
Excellent attention to my needs as a long standing client
3/14/2026
Just an FYI - I donate for Doctors day in honor of Dr Grabowy each year. Being able to see the provider you need to see at the time you need them is critical to good health care. Availability of a provider makes such a difference when something is wrong, not emergent, but more important than "we'll see you in 3 weeks". I was fortunate to have been able to get a shorter term appointment and received the care needed and am now recovering before the original appointment offering. I owe this to Dr Grabowy and the staff at his office.
3/10/2026
Dr. Grabowy is great!
3/10/2026
Dr Grabowy is a fantastic person and I'm very lucky to be his patient.
3/1/2026
He was very nice and easy to talk to.
3/1/2026
I have confidence in my doctor’s attention, concern, and skills.
2/24/2026
I have been a patient for a very long time and the doctor knows my family history very well since he took care of my parents.
2/16/2026
It is nice have a lab at the office to get them done right after meeting with the doctor.
2/16/2026
Dr. Grabowy has been caring for my health issues for many years. I feel very fortunate to have found this amazing doctor.
2/14/2026
all good
2/14/2026
Hackensack is great.
1/25/2026
been going there for years for test. Alway's been this way friendly fast and helpful
1/20/2026
Thank God for Dr. Grabowy
1/16/2026
Patient to explain information and listen to what I had to say
12/24/2025
Dr GRABOWY is extremely thorough and easy to understand. He takes the time needed to and really cares about my well being. I've recommended him to several of my family and friends. He's the best! The staff is very helpful, professional and polite. I can't say enough great things about this medical group.
12/22/2025
Dr. Grabowy did a very good job of diagnosing me and sending me to the right tests.
12/18/2025
I have been a patient of Dr. Grabowy for 30 years and have alway found him to be exceptional in caring for me and my health.
12/16/2025
M experience was excellent.
12/11/2025
Dr. Grabowy took his time with the consultation and listened to me.
12/10/2025
Excellent- since I hadn't seen this provider in 6 years, there was a question as to whether I was still considered a patient. But, the front desk was helpful in understanding my concern and booked me an appointment foe the following week- much appreciated
12/8/2025
Everything was excellent with Dr. Grabowy. Thanks!
12/2/2025
Personable, professional and patient with explaining things to me
12/2/2025
Just for a flu vaccine
11/26/2025
Excellent service.
11/19/2025
The doctor answered all the questions I had. Was referring to his notes on the computer to the previous conversations we had. Was very knowledgeable about my case.
11/13/2025
The only complaint I have about the visit is when I called to schedule it, I was told there were no appointments available until December and I needed to see Dr. Grabowy shortly. While Roxanne, who was his assistant, said she would email him, I said no, I would. It turned out I did get the appointment the next day. But there needs to be provisions where Dr. Grabowy does see people on an urgent basis, even if they're in, in addition to his regular scheduling, whether it's before or after hours. That's the only complaint that I have. I do think Dr. Grabowy is an excellent doctor. Thank you.
11/12/2025
It was great Everyone in office was very helpful and nice I had questions for the doctor and he answered them with advice and professionalism..he recommended me to a specialist for one of my concerns I would highly recommend him to others
11/11/2025
I just feel that the doctor should exhibit more empathy and compassion for a senior patient who experiences pain constantly with back and knees and ?
11/10/2025
Dr Grabowy was very thorough and caring about the issue I was having. I would recommend him to everyone.
11/10/2025
Dr. Grabowy is professional and thorough.
11/4/2025
Excellent physician
11/3/2025
Dr. Grabowy was very knowledgeable and caring. He listened well and offered good advice. I feel very comfortable with him and am glad to have him for my doctor.
10/22/2025
It was my first visit to Dr Grabowy and I found him to be professional, friendly and attentive to my concerns. He even called the next morning about my blood work and prescribed an adjustment to my medication.
10/21/2025
Great!
10/20/2025
Dr Grabowy is a wonderful Dr. he takes his time and answers any/all questions and is very kind
10/11/2025
So glad Dr. Grabowy could see me, and is sending me for an X -Ray to further see what is causing my constipation problem.
10/8/2025
very pleasant, made me at ease although I have no known cardio issues in the past or suspected now but testing will tell
10/6/2025
Dr. Grabowy has been my primary physician for many years and I highly value his skills and expertise. I trust him with all my medical needs and questions.
10/6/2025
Dr. G and his assistant were very helpful
10/2/2025
My experience with Hackensack Meridian Health is everything I asked for. Great Doctors, staff and can get all testing done all at one time. I would never go anywhere else.
10/2/2025
I've been with Dr. Grabowy for a very long time. I wouldn't go to anybody else. He knows me really well. When I do, he does a colonoscopy. He knows exactly, you know, my body.
10/1/2025
I would have given higher rating but 2 of my previous appointments were cancelled by the doctor's office. One was cancelled on the actual day of my appointment (not giving me the 24 hr notice that they require from patients!!!)
9/22/2025
Dr. Grabowy is the best!
9/18/2025
The office staff is pleasant and helpful. Dr. Grabowy is excellent. The office has its own blood lab.
9/17/2025
Dr G and his staff are excellent
9/11/2025
Dr Grabowy and his staff were open and honest and extremely helpful to meet my needs
9/9/2025
I've been going to Dr. Grabowy for many years now and he's always taken good care of me.
9/9/2025
And I was in and out and no time quick fast and easy professional very professional Okay Have a good day. Bye
9/2/2025
Very informative first visit. Thank you
8/28/2025
It was more than I expected
8/27/2025
It's a new doctor for me and new office and they made me feel very comfortable
8/18/2025
wife and I have been seeing Dr Grabowy for some 25y yrs and would never think of going to another MD always considerate of our concerns.
8/7/2025
Dr. Grabowy was a very, very nice, wonderful bedside man. I really liked him a lot.
8/7/2025
Dr. Grabowy took the time to explain everything to me about limitations and what needs to be done after my procedure and being on blood thinners.
7/31/2025
Dr. Grabowy has been my primary care provider for many years, and he takes a vested interest in my health, often visiting me on other doctors' procedures. I would recommend him to anybody. Thank you.
7/31/2025
Excellent as usual.
7/29/2025
CLEAN OFFICE DOCTOR LOOKED CLEAN, SHARP, PREPARED GOOD PARKING
7/28/2025
Dr. Grabowy is a wonderful physician. He is always up to date about your medical history. He reviews any new issues with you and patiently gives you the best advice and is up to date on all the latest procedures that a patient might be inquiring about. He gets back to you with the results of any tests that he has ordered for you as soon as they are made available to him. He reviews them with you and advises you as to what has to be done next and then he makes arrangements for the procedure I.e. iron infusions. I highly recommend Dr. Grabowy
7/24/2025
I was very pleased with the doctor and his staff.
7/23/2025
I have the upmost respect and confidence in Doctor Grabowy.
7/19/2025
Dr. Grabowy was excellent
7/10/2025
We are very happy with our provider. We've been seeing this doctor for many years now. I answered the questions. We're above satisfied with everything. And that's it, that's my feedback. It's very good. Thank you.
Insurance Coverage
Note:Please contact the practice directly to confirm your health plan is in network.
Aetna
Aetna Better Health
Amerihealth
Cigna
Claritev
Clover Health
Fidelis Care
Horizon Blue Cross Blue Shield of New Jersey (Horizon BCBSNJ)
Horizon Blue Cross Blue Shield of New Jersey (Horizon NJ Health)
Karna WTC
MagnaCare
Medicaid
Medicare
Oxford Health Plans
QualCare
Railroad Medicare
TRICARE
United Healthcare (UHC)
UnitedHealthcare (UHC) Community Plan
US Family Health Plan
Wellpoint
Similar providers at this location
Map & Directions
HMH Riverview Medical Associates
4 Hartford Drive, Suite 1 Tinton Falls, NJ 07701


