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About Digestive Health Institute

At Digestive Health Institute, we put patient care at the forefront of everything we do. We’re proud of the professional care we provide while remaining compassionate toward our patients. To learn more about who we are, take a look at some of our values, our medical focus and our partners.

Experienced Physicians

The physicians we bring on to our team haven’t recently just finished their residency training; they’ve been physicians for several years. Their experience provides our team with a strong foundation to treat your gastrointestinal health needs.

Personalize Care

We focus on providing our patients with personalized care in every aspect. We meet our patients where they are and guide them through the treatment process while ensuring their comfort every step of the way.

MSU Affiliated

Since the year 2000, we’ve partnered with Michigan State University to combine the clinical and educational fields. This partnership is designed to facilitate both educational and medicinal innovations in gastroenterology.

Increased parenchymal echogenicity at last ultrasound
About the Digestive health Institute Andrea Koerner using a stethoscope to check a patient

Our Mission

Digestive Health Institute aims to serve its community by providing excellent gastrointestinal care

Since 1998, we’ve been working to serve our community. Digestive Health Institute was established to provide distinctive gastrointestinal and liver disease care for the people of central Michigan. We aim to give our patients the highest level of care while simultaneously maintaining both compassion and professionalism. Our team is committed to finding the latest innovations in gastrointestinal medicine and how technology can be best used to provide effective treatment to our patients. 

The achievements here and the future of our continued exceptionalism at Digestive Health Institute can be solely attributed to our highly qualified staff.

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Our Doctors

We’re proud of our team here at Digestive Health Institute. Our health care providers include some of the very best colorectal surgeons, gastroenterologists and physician assistants. To learn more about our qualified team of specialists, please visit our providers page.

Scott A. Plaehn, DO, FACOI

Scott Plaehn, DO, FACOI

Gastroenterologist

Albert B. Ross, MD

Albert Ross, MD

Gastroenterologist

Dorian T. Jones, MD

Dorian Jones, MD

Gastroenterologist

Jannel Lee-Allen, MD, MUP

Jannel Lee- Allen, M.D.

Gastroenterologist

Jannel Lee-Allen, MD, MUP

Tadd Hiatt, MD

Gastroenterologist

Dr. Matthew DiMagno on blue background

Matthew J. DiMagno, MD, AGAF

Gastroenterologist

Our Doctors

We’re proud of our team here at Digestive Health Institute. Our health care providers include some of the very best colorectal surgeons, gastroenterologists and physician assistants. To learn more about our qualified team of specialists, please visit our providers page.

Scott Plaehn, DO, FACOI

Albert Ross, MD

Dorian Jones, MD

Learn More

Areas of Expertise

All Procedures

Colonoscopy

One of our specialties is providing patients with routine colonoscopies, to look for abnormalities in the colon.

Sigmoidoscopy

Another of our areas of expertise is performing sigmoidoscopies to examine the condition of the sigmoid colon.

Endoscopy

We offer a few different types of endoscopies for patients with undiagnosed bowel conditions and disorders.

Minimally Invasive Surgery

Most of our surgical procedures are minimally invasive, meaning small incisions that leave smaller scars.

Our Locations

The Digestive Health Institute

Lansing Surgery Center

What Our Patients Are Saying

Excellent
John Walling, Jr., D.O.4.7
Based on 3220 reviews
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Mickie M.
Very caring. Dedicated PA helping to solve my IBS issues. Good office staff.
Larry H.
I have been coming to this office for many years. Very pleased with the care I have been given. Staff is very friendly and polite. Lesley is caring and listens very well to the concerns I had. Highly recommend this office to anyone.
Tim H.
Entire staff was very friendly and welcoming. Total time spent in the office from check-in to check-out was less than 20 minutes. I couldn't ask for more.
John C.
I've have had three, if I remember correctly, Colonoscopies and an endoscopy in the last 20 years with Dr. Yusuf. I found him to be very nice and the procedures went without a problem. In addition he prescribed Omeprazole when it was first coming out, before it could be found over the counter. My esophagus was pitted and damaged from GERD. His prescription was life changing for me. At last it didn't feel like I was burping lava all day long.
Gustavo P.
It was a pleasant and informative visit.
Rita H.
Professional, reassuring and a really fast procedure. Thank you!
Kawanna J.
Front desk staff was very welcoming, as well as nurses/surgical team. Great hospitality!!
Beth T.
The facility was nice. From check-in to check-out, the staff was courteous, explained everything that was happening. The IV nurse was exceptional. Didn't feel a thing. Dr. Wallin is the best. His bedside manner is through the roof good.
Janet S.
The staff was very efficient, courteous and informative.
Emily S.
Dr. Ross was incredible. He made me feel safe and comfortable prior to my colonoscopy (it was my first). The staff were phenomenal as well. I highly recommend him.
Bob C.
Phenomenal, extremely competent, honest and caring Doctor.
Mary W.
Everyone was very caring and helpful. I was very nauseous from the medication that I had to take for the colonoscopy. Before my surgery I was vomiting and the staff kept asking me through the bathroom door if I was okay. They were very concerned. They gave me anti-nausea medication through my IV as soon as they got my IV in. Thank you for being so caring.
Heidi D.
Dr. Jones is very knowledgeable, intuitive, kind and a pleasure to work with. The staff are very complimentary of him, and I felt very well cared for.
moustafa H.
Outstanding physician clinically and ethically
John J.
Very professional care given! Staff was very professional and friendly. The make you feel relaxed and answer all your questions. Highly recommend this medical center.
Trish M.
The staff here is super amazing; very fast, very nice, and very helpful. The whole experience of having to be there for a procedure was made so much better by them.
Karla W.
Fantastic GI. Superb credentials. Great bedside manner. Very personable. Explained everything using accessible language. Everything you’d want in a doctor! Couldn’t recommend him more highly!
Brad H.
Doctors office... Friendly staff... Easy access... Have been trying to access their patient portal for years... Never successful... They appear to have all my current records, from all my medical care specialists... That makes me feel very secure... My being able to enroll in their portal would be a blessing... They had access to medical records that are unknown to Sparrow or McLaren.... Dating back to my Chattanooga DAZE
Mrgf D.
Dr Jones has a great demeanor and he's willing to investigate and give you peace of mind regarding your concerns. Family members were also very happy with his explanations after procedure
Cheryl K.
Most pleasant staff ever! Experience a10 out of 10!
Cletus T.
Professional people and care about their patients
J and B.
The staff is super friendly especially Connie at the front desk! Everyone was very polite and friendly from the beginning to end! I received great care! The nurses and doctors were awesome!
Roger N.
Everyone from check in to release was extremely kind. They checked on me throughout pre-surgery to make sure I was comfortable and didn't have any questions.
Pamela T.
I was thoroughly impressed by the friendly professionalism shown by the staff on all levels at the Lansing Surgery Center. Thank you for your concern for my well-being.
Ramy M.
Hiatt and Thelen have given me my life back, thank you to the entire office for being prompt and welcoming.
todd B.
Everyone was professional and courteous, and I was done in a timely fashion. I highly recommend this facility.
David F.
Staff at the DHI's Grand Ledge Office were very nice and worked together to come up with a treatment plan that would work best for me. They listened and answered all my questions which made me feel better regarding my health concerns. I would highly recommend this office to anyone seeking help with their digestive issues.
Andrea C.
Everyone from the receptionists to the nurses, anesthesiologists, and doctors are wonderful. Very caring and compassionate.
idk S.
Pre Surgery/Surgery were timely and professional. Doctor Ross and assistants were friendly.
Sonya R.
Everyone was so professional and nice!!! Thank goodness for Dr. Albert Ross and his staff at Lansing Surgery Center.
Pamela S.
Never disappointed with experience, feel listened to and questions answered appropriately.
c S.
Staff makes you feel like you're no "just a number". They try to find convenient appointment times, I am very appreciated of my gastrologist and the PA that works with me. I most appreciate that they have helped with samples to see if they will work with me. That is wonderful.
Mark S.
Dr. Yusuf is a terrific physician, providing excellent specialty care. The office itself is a little cramped and dated, but the staff is efficient and I’ve never waited too long to be seen. Recommend this group and especially Dr. Yusuf.
Debra F.
Scott Z. was informative and knowledgeable. He actually listens to my concerns and follows up!
Kim B.
Enjoyed a thorough annual visit. My PA took the necessary time to allow me to ask questions and gave thoughtful responses and assurances regarding my prescription inquiries.
Annette K.
Friendly staff, wait time was short.
Anthony D.
My experience there was amazing. The doctors have great sense of humor they love to interact with the people The staff are all around amazing.
Bob L.
Dr Yusuf and his team did a great job duringmy procedure!!
Steven W.
Very polite and thorough Explained all options well.
Daniel K.
All the staff were friendly, efficient, and compassionate. Great experience.
Demphna K.
The care and kindness from every member of the staff at DHI is exactly what everyone patient needs. I am seeing Dr. Jones and Donald Laird for my excellent care! Thank you all
marlanll
Excellent care by Dr. Jones and staff for my wife. So professional and after diagnosis was very clear. Pleased with the procedure! Of course no one likes the PrePep😆, but necessary.
Tracy M.
so far i like him a lot . takes things seriously and cares. he doesn’t mess around when he thinks something is wrong unlike the many many Dr’s i have seen in the past .. 10 stars!
Brandon H.
John Walling Jr. was professional and knowledgeable. I felt comfortable with his service. If having a colonoscopy done I would highly recommend him and his staff at the Lansing Surgical Center. Thanks John!
Vampy M.
I had a colonoscopy this morning 10/24/2025. I had Dr Lilly performs the procedure* She is amazing and the staff and nurses were so kind to me I have severe anxiety, and they answered all my questions even before my procedure I called a couple times, and they were very willing to answer any concerns. Highly recommend*
Enrique P.
I want to wish Dr Yusuf well on the next stage of his life. He was my doctor for a number of years and I always found him to be very caring and kind individual. Best wishes on your retirement
Joy
Everyone was very pleasant. But i found out later that they aren't a preferred provider for Humana. I got a $300 bill because of that Be careful and research it first.
Sally B.
Staff was welcoming, friendly and efficient. Prep and procedure was on time, a little early even. Doctor and nurse after conversation and explanation heloful.
Elda R.
Dr. Lee-Allen was great! She explained my procedures and after care. She has such a pleasant and bubbly personality. She put me at ease, of course, it could have been the drugs😊
Tiffany
I was so worried about seeing a GI dr because I’ve been so tired of feeling unheard or dismissed. My appointment with Dr Ross left me feeling hopeful & very “seen”. I am truly grateful for how friendly, compassionate & considerate he was. The office staff was so nice as well. I’m so thankful there are still doctors out there that care & listen. Thank you to him & his staff!
Jerry B.
There was no waiting,was in and out in a matter of 15 minutes, the doctor went over my meds,renewed a script and done.It was great.
Dayna R.
My experience with DHI has been excellent. I recently had a procedure which was scheduled by Christian Plumm. She was pleasant, informed, and committed to my understanding of the process. Likewise, Dr. Ross and the surgical team were friendly, professional, and competent. Additionally, Kylie Dennis has been helpful and persistent in providing the best health care. She is extremely thorough and intent on diagnosing any gastroenterological issues I may be experiencing. In total, they constitute a great health team. I wouldn't go anywhere else!
Denise W.
Everyone was amazing! Your team were professional, courteous, and caring. Wish more facilities were more like yours!
Rosie D.
I have the most wonderful experience with Dr. ALBERT Ross BEEN MY DOCTOR! He have brought me through so much. I have been under his care for about 20 years or longer. He is the most wonderful and caring DOCTOR and person. He take time time to explain to you what is going on with which make you feel comfortable. He have time for his patient. His patient always come first. Thank you ROSIE DAVIS
Beth D.
No waiting...and felt very comfortable with Don P.A..Everyone was really nice!
Bonnie C.
It was very nice place people are very friendly
Danielle D.
He is an amazing Doctor and is very caring. He listens and is genuine.
Robert S.
Scott Zielstra is very thouhhtful and considers all possibilities for treament before thorough evaluation.
Julie S.
Dr. Ross has been my gastroenterologist for over 10-years. He is wonderful, a good doctor with a good sense of humor. I have a family history of cancer and Dr. Ross takes great care of me.
Jennifer A.
Very professional and efficient. My procedure from check in to check out was less than 2hrs. Thank you Dr Julian and the entire staff.
Carole L.
My provider was very informative and helpful with suggestions to improve my digestive health!!
Jo-Reese F.
The doctors were kind and very understanding of my concerns and answer all my questions fully.
Chris J.
Great experience, staff was friendly and knowledgeable..
Randy P.
Good experience (other than the prep!)
Laura M.
One of it best gastroenterologists in Michigan. I have been a patient since the early 2000’s always communicates, and has a high degree of care. He studies the patient and disease meticulously.
Kim E.
Wait time was very little. Maybe it was because I had an early appointment. Callie adressed any of my concerns. Things are going well for me so that's always good. Her assistant was great as well.
Josh D.
Excellent!
Aliyah C.
The visit was very great. The team is super polite, understanding and patient and everything went smooth and in a timely manner. Definitely one of the best experiences I've ever had in a specialty office would definitely recommend if you need to be seen for anything gastro related.
Cherrye Marchelle M.
He has been my doctor since 1995 when he first started his business in much smaller office. I have 3 other family members that also go to him now that I referred them to Dr.Ross. Everyone one of us loves him. I refuse family members to see him for their troubles like I have. He is the best in the Lansing area.
Kemajl K.
Showing you you are in a good hands. Everything is top rated with professionalism.
Robert B.
Great experience.
Gordon S.
I have never been to a Dr. Office and been treated with such respect. From reception to my walk out, everyone that I encountered was extremely nice and accommodating. Would recommend this office to anyone needing their services.
Phil K.
Just a very good appointment, lots of answers to my questions
Beth E.
Everyone was very kind and professional. Of course Dr. Coffey is wonderful!
William E.
The PA was thorough and seemed genuinely concerned about my health issues. He followed through by ordering some lab tests.
Brian
Aesome!
Ilene Curts T.
I feel that my health problem was looked at carefully and approached with concern and thoughtful direction.
Joan M.
The PA who I met with was excellent. It was obvious that he had carefully read my CTScan before we met. He listened to me and had good rapport. I walked out of his office with a prescription for the meds I needed.
adrina K.
The nurses and dr’s were great. They are were very helpful
lori K.
He is the most caring physician and pays great attention to detail. He listens to the patient and makes sure they get the best care possible. He is one of a kind for sure
Sherry W.
Dr Jones, "Dorian" was very friendly and introduced himself by his first name making things much more pleasant. Very thorough, polite and kind. Answered all my questions with care and compassion for me. Scheduling my surgery (upper GI) was a breeze and within a very quick timeframe. (6 days later)!!!! The surgery was good at the surgery center w/very good staff concerned for me. Wait time from my scheduled procedure was over the time but went quickly once they took me to the OR. The nurse anesthesiologist, Lisa, was FANTASTIC!!! Very charming and charismatic. I highly recommend this Dr and the surgery center he operates out of.
mega M.
100%
Joen T.
The staff is really nice and friendly. They helped ease any anxiety I felt before, during, and after my procedure. Dr. Jones also made time to talk to me, before the procedure, about what to expect (which isn’t always the case with other doctors) so that was appreciated.
Krista Jo L.
Dr. Yusuf was very thorough and made me confident that he was checking my gastro system completely so I could relax about this area of my health.