ColoProctology Associates & nasaHernia

Marcus M. Aquino, MD, FACS, FASCRS

Colon and Rectal Surgeon & Hernia Surgeon located in Galveston Bay Area, Seabrook, TX



About Our Practice

ColoProctology Associates & nasaHernia is a specialty surgical practice that offers high level care of diseases of the colon, rectum and anus, along with repair of body wall hernias.

Located in the heart of scenic Seabrook, Texas, the practice welcomes patients from all parts of the Galveston Bay and Clear Lake areas. The practice’s physician, Marcus Aquino, MD, FACS, FASCRS, is one of only three board-certified colon and rectal surgeons in the entire Galveston Bay area.

We offer a full range of Colon, Rectal and Anal procedures along with high-quality inguinal (groin), umbilical (belly button), incisional, and colostomy hernia repair. Patients also regularly come to the office for diagnosis and treatment of anal fissuresfecal incontinencehemorrhoidsirritable bowel syndrome, and other anal issues. Complex body wall hernia repairs using component separation
techniques are used when indicated. When requested, mesh free groin repair is offered as a very well tolerated and effective alternative to a mesh implant.

Advanced diagnostic testing, including colonoscopy, is performed to confirm or rule out certain conditions. When surgery is necessary, patients can undergo advanced minimally invasive surgery, utilizing state-of-the-art da Vinci® robotic and laparoscopic technology.

With affiliations at several premier Texas hospitals, including HCA Clear Lake Regional Medical Center in Webster, Houston Methodist Clear Lake Hospital in Nassau Bay, and Houston Methodist Baytown Hospital in Baytown, our patients are able to undergo complex, major procedures at conveniently located state-of-the-art facilities.

ColoProctology Associates & nasaHernia is currently accepting new patients and welcomes those in need of a second opinion. Most major health insurance companies have us in their provider networks. Flexible scheduling is available through the website or by calling the office directly.


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We offer in-office private operating room! 

Services at a much lower price without facility fees and we accept cash payment

Mesh free hernia repair (Shouldice and Desarda technique) is offered at our private operating room for a fixed single fee of $4000, that includes the surgeon's fee, anesthesiologist's fee, facility fee and 3 months post surgical care. Repair of both/double groin hernias can be performed at the same time, again, for a fixed single fee of $6000.

We also offer repair of complex abdominal wall hernias using robotic and component separation techniques. Mesh (both synthetic and biologic) is used for these.

 281-474-7171   Book Online 

Colonic Hydrotherapy

State of the art equipment dedicated to the treatment of colon and rectal problems.

Contact Us

Colonic Hydrotherapy
State of the art equipment dedicated to the treatment of colon and rectal problems.
We charge $125 for a 45 minute session. A package of 3 sessions will cost $300.

Schedule your colon/rectal cancer screening today

ColonRectal cancer screening costs are covered by Medicare and many commercial health plans. If you are at risk for ColonRectal cancer, make an appointment today to discuss which of the available procedures is best for you and how often you should be screened.

We offer Colonoscopy in our private operating room where cash paying patients or those with high deductibles can have their procedure for a fixed fee of $900/$1250 depending on whether a polypectomy/biopsy is done. This fee will cover the fees normally paid to the physician, anesthetist, pathologist and facility.

Book Online

Genetic testing

We offer genetic testing and counseling to patients with a family or personal history of colon polyps and cancers.The tests take the form of a simple "spit/saliva" test that uses the DNA from the cells inside the mouth. This is a convenient and painless way to obtain genetic material. We work closely with your insurance company to make sure that the tests are pre -approved, making your portion of the cost of the test as low as possible.

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Schedule your anal cancer screening today.

Book Online

Insurances Accepted

If not listed, your insurance plan may include out of network benefits/coverage; call us to help you negotiate with your plan for the coverage you are entitled to. If you are without insurance, call the office manager to discuss our reasonable cash fees. Our fees are very reasonable, and an "up-front, drive out" price for procedures done in our office surgery includes 3 months of postoperative care. Fees are collected in full, prior to the procedure.

Anthem Blue Cross Blue Shield
BlueCross BlueShield
Golden Rule
Great West Health Care
UnitedHealthcare Oxford

Meet Our Team

Check out our brochure!

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Words from our patients

  • Yelp

    Word dont describe how awesome Dr Aquino is. He is a passionate doctor that care for his patients. Your not just a number or insurance payment to him He took awesome care

    Christine W.
  • Healthgrades

    Dr. Aquino and his staff took very good care of me from my initial visit through my release. I am glad I chose Dr. Aquino for my treatment.

    M.A. Avis
  • Vitals

    I would rate Dr. Aquino's staff at his office among the best I have seen in my 78 years and they have been very friendly and professional during my total of three visits

    Verified Patient
  • Google

    An incredible medical experience...My definite impression is that his first and only concern is about the patients health.

    Howard D.
  • Healthgrades

    I am so glad I was referred to Dr Aquino to help me stay healthy.. I highly recommend him.. from Texas Veteran

    Warren F.
  • Healthgrades

    Marcus is a vary good surgeon I’ve had two procedures done by him excellent both times especially recovery time with minimal pain from hernia repair.

  • Healthgrades

    Dr. Aquino was personable..My surgery went well and the doctor and staff were attentive to my recovery needs. Good experience for an unpleasant medical issue!

    Laura T.
  • Healthgrades

    I was treated with the utmost privacy, dignity and respect by their entire staff from the first day through post-procedure. I am very pleased

  • Healthgrades

    He is personal, relaxed but very knowledgeable, listens and then explains in laymen terms, never rushes us in or out

    Carolyn V.
  • Healthgrades

    He makes me feel very comfortable no matter what part of me he is dealing with. I know that I can always count on him. He will never give up on a problem.

    M. J.

HypnoTherapy for IBS?

HypnoTherapy is a new technique that is proving to be surprisingly effective in the management of IBS.


ColoProctology Associates & nasaHernia
2110 Seabrook Circle
Galveston Bay Area

Seabrook, TX 77586
Phone: 281-474-7171
Fax: 281-474-7177

Office Hours

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