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Maamoun Harmouch

Maamoun Harmouch, MD

5.0253 ratings, reviews

General SurgeryBariatric SurgeryColon and Rectal Surgery

Accepting New Patients
Online Booking
Need help scheduling? Call 281-332-3909

Highlights

Languages

  • Arabic
  • English

In-Network Plans

View All Accepted Plans (126)

Gender

Male

About Maamoun Harmouch

Professional Statement

Dr. Maamoun Harmouch is a board-certified colorectal surgeon specializing in the diagnosis and treatment of colorectal conditions. He provides comprehensive, patient-centered care at our Webster campus and is fluent in both English and Arabic, allowing him to serve a diverse patient population with compassion and clarity.

Dr. Harmouch earned his medical degree from Northeast Ohio Medical University and completed his general surgery residency at UT Health. He further specialized with a fellowship in colon and rectal surgery at UT Health and an advanced GI minimally invasive surgery (MIS) fellowship at Our Lady of the Lake Regional Medical Center.

A member of the AOA Medical Society, Dr. Harmouch is dedicated to utilizing advanced surgical techniques and evidence-based care to achieve the best outcomes for his patients. He is currently accepting new patients and is committed to delivering high-quality care tailored to each individual’s needs.

 

Clinical Interests

  • Abnormal weight loss

  • Anal fissure

  • Bariatric surgery complications

  • Bariatric surgery counseling

  • Colorectal disorders

  • Colorectal malignancy

  • Crohn's disease

  • Diverticular disease

  • Diverticulitis

  • Hernia

  • Inflammatory bowel disease

  • Lap band complication

  • Morbid obesity

  • Obesity

Locations

  1. CLS Health Colorectal Surgery Associates - Clear Lake
  2. CLS Health Colorectal Surgery Associates - Houston Galleria
    Accepting New Patients

Expertise

Education

  • Colon and Rectal Surgery Fellowship: University of Texas Southwestern Medical Center at Dallas Southwestern Medical School, Gastrointestinal, 2020
  • Advanced GI MIS Fellowship: Our Lady of Lake Regional Medical Center, Gastrointestinal, 2019
  • General Surgery Residency: UT Health, General Surgery, 2018
  • Medical School : Northeast Ohio Medical University, Internal Medicine, 2013

Insurance

Search plans
  • Aetna : Aetna Choice POS II
  • Aetna : Aetna Medicare Advantage Plans
  • Aetna : Aetna Open Access Elect Choice
  • Aetna : Elect Choice
  • Aetna : Managed Choice
  • Aetna : Open Access Select
  • Aetna : Open Choice PPO
  • Ambetter Superior Health : Superior Ambetter Core (Complete, Clear, Focused, Standard Silver and Gold)
  • Ambetter Superior Health : Superior Ambetter Value (Clear Value Silver, Focused Value Silver, CMS Standard Silver & Gold Value, Everyday Value Gold)
  • Ambetter Superior Health : Superior Ambetter Virtual (Ambetter Virtual Access Silver, CMS Standard Virtual Access Basic Silver, Ambetter Virtual Access Gold)
  • Ambetter Superior Health : Superior Health Plan MAPD (Medicare Advantage Prescription Drug)
  • Ambetter Superior Health : Superior Health Plan Medicare
  • Ambetter Superior Health : Superior Health Plan MMP Medicare
  • Beechstreet PPO
  • Blue Cross Blue Shield : BCBS MyBlue Health (Marketplace)
  • Blue Cross Blue Shield : Blue Choice PPO
  • Blue Cross Blue Shield : Blue Essentials
  • Blue Cross Blue Shield : Blue Essentials Access
  • Blue Cross Blue Shield : Consumer Directed HealthSelect in Area
  • Blue Cross Blue Shield : HealthSelect
  • Blue Cross Blue Shield : HealthSelect of Texas In Area
  • Blue Cross Blue Shield : HealthSelect of Texas Out of State
  • Blue Cross Blue Shield : HealthSelect Secondary 65+
  • Blue Cross Blue Shield : Medicaid (CHIP, STAR)
  • Blue Cross Blue Shield : Medicare Advantage (HMO, PPO)
  • Blue Cross Blue Shield : Medicare Advantage HMO
  • Blue Cross Blue Shield : Medicare Advantage PPO
  • Blue Cross Blue Shield : POS
  • Blue Cross Blue Shield : Traditional/Par Plan
  • Blue Cross Blue Shield : TRS-Active Care
  • Blue Cross Blue Shield : TRS-Care Standard
  • Brazoria County Employees ‚Äì Aetna TPA Brazoria County Employees
  • Carnival Cruise Lines PPO
  • Community Health Choice : Dual-Special Needs Plan (D-SNP)
  • Community Health Choice : Marketplace
  • Community Health Choice : Medicaid (CHIP, STAR)
  • Community Health Choice : Medicare Advantage
  • Community Health Choice : Premier
  • Curative/First Health
  • Devoted Health
  • Entrust/90 Degree Benefits
  • Envolve Benefit Options Vision-PPO, HMO
  • First Health
  • First health PPO
  • First Health Workers‚Äô Comp
  • Galaxy Health Network
  • Healthsmart Payors Organization
  • HealthSmart Preferred Care
  • HealthSmart Preferred Care Accel
  • HealthSmart Preferred Care PPO
  • Humana : ChoiceCare PPO
  • Humana : EPO, HMO, PPO Plans
  • Humana : HMO Premier
  • Humana : Human Gold Plus - Medicare Advantage HMO & Special Needs Plan
  • Humana : Humana Gold Choice - Medicare Advantage Private Fee-for-Service (PFFS) plan
  • Humana : HumanaChoice - Medicare Advantage PPO plan
  • Humana : Medicare
  • Humana : Military (TRICARE South Region Military Health Plan)
  • Humana : POS - including Choice POS, National POS Open Access/Plus and Preferred POS Open Access.
  • Medicare Traditional
  • Memorial Hermann Health Solutions Commercial and Medicare
  • Molina Healthcare
  • Molina Healthcare Marketplace
  • Molina Healthcare Medicaid (STAR)
  • Molina Healthcare Medicare Advantage
  • Molina Medicare Complete Care HMO SNP
  • Multiplan
  • Multiplan AllyAlign Health
  • Multiplan American Health Plans
  • multiplan Auto & Worker's Comp
  • Multiplan Florida Complete Care
  • Multiplan Gold Kidney Health Plan
  • Multiplan Imperial Health
  • Multiplan Independent Health
  • Multiplan Kaiser Foundation Health Plan (Colorado & Washington)
  • Multiplan Mass Advantage
  • Multiplan Medicare Advantage
  • Multiplan PPO
  • Multiplan Presbyterian Health Plan
  • Multiplan PriorityHealth
  • Multiplan Provider Partners
  • Multiplan SCAN
  • Multiplan UCare
  • Multiplan Vantage Health Plan
  • Multiplan Verda Healthcare
  • Multiplan Zing Health
  • Texas Children's Health Plans
  • Three Rivers
  • Tricare (Humana) PPO/Prime
  • United Healthcare : AARP
  • United Healthcare : C-SNP
  • United Healthcare : Care Improvement Plus
  • United Healthcare : Charter
  • United Healthcare : Choice
  • United Healthcare : Commercial, HMO, POS, EPO and PPO Plans
  • United Healthcare : D-SNP
  • United Healthcare : Doctors Plan
  • United Healthcare : Erickson Advantage
  • United Healthcare : ERS Medicare Advantage
  • United Healthcare : Freedon
  • United Healthcare : Heritage
  • United Healthcare : I-SNP
  • United Healthcare : Indemnity
  • United Healthcare : Medicaid (CHIP, STAR)
  • United Healthcare : Medicare Advantage
  • United Healthcare : Navigate
  • United Healthcare : Nexus ACO
  • United Healthcare : Options PPO
  • United Healthcare : Passport Connect
  • United Healthcare : Select
  • United Healthcare : TRS-Care Medicare Advantage
  • United Healthcare : United Healthcare Medicare Complete
  • United Healthcare : UnitedHealthcare Chronic Complete
  • United Healthcare : UnitedHealthcare Dual Complete
  • United Healthcare : UnitedHealthcare Group Medicare Advantage PPO
  • United Healthcare : Wellmed
  • United Healthcare : Wellmed Dual SNP Focus
  • United Healthcare : Wellmed Medicare Advantage Focus
  • US Family Health Plan
  • VA Community Cares Network CCN
  • Wellcare
  • Wellpoint (Amerigroup) : C-SNP
  • Wellpoint (Amerigroup) : D-SNP
  • Wellpoint (Amerigroup) : I-SNP
  • Wellpoint (Amerigroup) : Medicare Advantage
  • Wellpoint (Amerigroup) : Medicare Advantage HMO

Ratings & Reviews

5 out of 5

253 ratings, 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.

Search reviews
    5 out of 5 stars
    Reviewed on 4/7/2026

    Dr. Harmouch performed my surgery for colon resection surgery because of diverticulitis. The surgery was a complete success and I had a quick recovery. The team at the office are all so professional and friendly!

    5 out of 5 stars
    Reviewed on 4/7/2026

    Professional

    5 out of 5 stars
    Reviewed on 6/6/2026

    Dr. Harmouch is very knowledgeable and shared his expertise in a way that we understood the complications of surgery. Very personable!

    5 out of 5 stars
    Reviewed on 4/10/2026

    The staff, the whole experience and Dr Harmouch were all so kind, attentive and patient with me! Highly recommended him if you need any testing, procedures, etc!

    5 out of 5 stars
    Reviewed on 6/10/2026

    The entire experience was very positive.

    5 out of 5 stars
    Reviewed on 6/2/2026

    Everything was very nice the front desk was very helpful with checkin and the nurse was right on point clearing everything with insurance for upcoming surgery . Doctor was upfront and straight to the point of what needed to be done .thank you

    5 out of 5 stars
    Reviewed on 6/5/2026

    Dr Harmouch explained everything related to my issue in a way that was very easy to understand and his staff were professional and kind.

    5 out of 5 stars
    Reviewed on 4/10/2026

    Dr Harmouch is awesome! He really listens to the patient and the family and is polite and professional. His knowledge, experience and ability to help are outstanding!

    5 out of 5 stars
    Reviewed on 5/17/2026

    Answering all of my questions and concerns very informative.

    5 out of 5 stars
    Reviewed on 4/24/2026

    Awesome

    5 out of 5 stars
    Reviewed on 5/1/2026

    First time having surgery and Dr Maamoun Harmouch did an outstanding job couldn’t be happier with my results, he was understanding of my needs. I highly recommend 10 out of 10

    5 out of 5 stars
    Reviewed on 5/19/2026

    Timely visit with the doctor in a very clean and bright room. Staff is efficient and Doctor is very knowledgeable and forth right.

    5 out of 5 stars
    Reviewed on 5/5/2026

    Dr Harmouch and staff are great, Dr did excellent job with surgery. We drove from Houston to Clear Lake for all treatments was well worth the travel.

    5 out of 5 stars
    Reviewed on 4/28/2026

    Dr is the bomb Thanks for saving my life

    5 out of 5 stars
    Reviewed on 4/10/2026

    Thanks every DR …

    5 out of 5 stars
    Reviewed on 6/2/2026

    Dr. Harmouch is literally the best ! Every time I come he brightens up the room. Always throughly walks you through anything you don’t understand. 10/10 recommend!

    5 out of 5 stars
    Reviewed on 5/5/2026

    The doctor and staff were amazing! Knowledgeable and caring for our very complicated situation. Thank you to all of them!!!