Aley El-Din Mohamed Tohamy, MBCHB MD
Provider is directly employed by MedStar Health
Provider is directly employed by MedStar HealthSpecialties: General Surgery
Languages: English
About me
Aley El-Din M. Tohamy, MD, is the Chair of Surgery and a board-certified surgeon at MedStar Southern Maryland Hospital Center with extensive expertise in minimally invasive, robotic, bariatric, and general surgery. He specializes in advanced laparoscopic procedures, complex hernia repair, and robotic surgery, with expertise in bariatric surgery and its role in treating metabolic disease.
Dr. Tohamy treats patients for an array of conditions, such as obesity, diabetes, hypertension, sleep apnea, metabolic disease, and hiatal hernias. He performs specialized procedures such as bariatric surgery and abdominal wall reconstruction, as well as general surgeries for the gall bladder, colon, and small bowel. He utilizes robotic and minimally invasive procedures, resulting in faster recoveries and less pain for his patients.
As Chair of Surgery, Dr. Tohamy emphasizes his role in maintaining the integrity of the surgery department and holding high standards for patient care. He is committed to expanding the department and offering a broader spectrum of services that support the hospital and the community. Dedicated to improving patient outcomes, Dr. Tohamy leads with a commitment to innovation, research, and collaboration to optimize surgical processes. He is determined to explore and integrate emerging technologies such as artificial intelligence and advanced robotics to enhance surgical precision, efficiency, and cost-effectiveness.
Widely recognized for his contributions to patient care, teaching, and research, Dr. Tohamy has been named a Top Doctor by Mainline Magazine since 2017 and Philadelphia Magazine since 2018. He has also received awards for teaching and research, including Best Teaching Award (2017) and Best Scientific Paper at Minimally Invasive Surgery Week (2025).
Dr. Tohamy is a Fellow of the American College of Surgeons, the American Society of Metabolic and Bariatric Surgery, and the Philadelphia Academy of Surgery. He is also the President of the Metropolitan Philadelphia Chapter of the American College of Surgeons.
Philosophy of Care
“I am extremely passionate about what I do and understand what my patients are going through, as I, too, was once a patient. My patients can expect to have positive, genuine interactions with me. I am very down-to-earth and dedicated to educating my patients and giving them honest advice based on their particular social or financial situation so they can make the best choice for themselves."
Clinical areas of focus
- Abdominal Pain
- Gallstones
Conditions and procedures
Conditions I treat
- Abdominal Adhesions
- Abdominal Hernia
- Abdominal Pain
- Acute Cholecystitis
- Acute Pancreatitis
- Alimentary Tract Foreign Body
- Anal Abscess
- Benign Neoplasm Of Colon, Rectum, Anus And Anal Canal
- Body Mass Index
- Bowel Obstruction
- Colon Cancer
- Colon Polyps
- Cutaneous Abscess
- Cutaneous Abscess, Furuncle And Carbuncle
- Diaphragmatic Hernia
- Diseases Of Appendix
- Diseases Of Stomach And Duodenum
- Diverticular Disease
- Diverticulitis
- Duodenal Ulcer
- Femoral Hernia
- Gallbladder Disease
- Gallstones
- Incarcerated Hernia
- Incisional Hernia
- Intestinal Perforation
- Metabolic Syndrome
- Paralytic Ileus And Intestinal Obstruction
- Pilonidal Cyst
- Postoperative Adhesions
- Skin And Subcutaneous Tissue Disorders
- Skin Swelling And Lumps
- Small Bowel Obstruction
- Small Intestine Cancer
- Stomach Cancer
- Stomach Ulcers
- Ventral Hernia
- Wound Dehiscence
Procedures I perform
- Abdominal Wall Reconstruction
- Abdominal Wall Supplement
- Abdominoplasty
- Adrenal Surgery
- Appendicitis Treatment
- Appendix Resection
- Breast Biopsy
- Breast Cancer Surgery
- Colectomy
- Colon Resection
- Colostomy
- Esophagectomy
- Excision Jejunum
- Excision Of Ileum
- Excision Of Small Intestine
- Excision Of Stomach
- Gallbladder Removal
- Gallbladder Resection
- Gastrectomy
- Gastrorrhaphy, Suture Of Perforated Duodenal Or Gastric Ulcer
- Ileostomy
- Intestinal Resection
- Jejunostomy
- Laparoscopic Cholecystectomy With Cholangiography
- Laparoscopy
- Lesion Excision
- Lymph Node Biopsy
- Meckel's Diverticulectomy
- Minimally Invasive Surgery
- Partial Colectomy
- Pilonidal Cyst Treatment
- Repair Of Anterior Abdominal Hernia
- Robotic Surgery
- Sigmoid Colectomy
- Sigmoid Colon Resection
- Small Bowel Resection
- Small Intestine Repair
- Wound Closure
Insurance
MedStar Health accepts most major health insurance plans. If you are uncertain as to whether your individual health insurance plan is accepted at MedStar Health, please call your insurance company.
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List of insurance plans we accept
- IH-Network Only Plus
- AMERIVANTAGE/Amerigroup Community Care
- CareFirst Dual Prime HMO-SNP
- Aetna Basic
- Aetna HMO
- Aetna Signature Administrator PPO/TPA
- Choice Fund PPO
- Cigna True Choice Medicare (PPO)
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- IH-PPO
- Choice POS II
- Kaiser Permanente Medicare Advantage Signature and Select
- Johns Hopkins Advantage MD PLUS PPO
- UnitedHealthcare and AARP Medicare Complete Plans
- Advantra Platinum (PPO)
- UHC Passport
- BlueChoice Open Access
- United Healthcare Select HMO - EPO/NPP
- Humana Medicare Advantage - PPO
- CIGNA HMO Open Access
- Coventry of Delaware HMO/PPO
- CIGNA HMO & Network (HMO)
- HighMark
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Cigna TotalCare (HMO D-SNP)
- CareFirst Blue Choice Opt Out Open Access
- CareFirst Blue Preferred PPO
- TRICARE East Prime
- Anthem BCBS of VA HealthKeepers Plus
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Aetna Better Health of VA
- Blue Choice Advantage
- Aetna Medicare Advantage HMO & PPO Plans
- Erickson Advantage Plans
- DC/MD SHOP QHP Small Business Plans
- HumanaChoice Honor's plan PPO
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Network OA
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Aetna Classic 5000
- IH-Open POS Plus
- Anthem BCBS of VA HealthKeepers (HMO)
- Humana Gold Plus HMO
- Kaiser Permanente Select Cardiac Global
- Aetna Classic 5000PD
- OA Plus
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- Aetna Advantage 5750
- Cigna Alliance Medicare (HMO)
- IH-POS
- Choice POS
- CareFirst FEP Blue Focus
- TRICARE East Select
- Employee Health Plan
- United HealthCare Community Plan - Maryland Health Choice Program
- Private Health Care Systems (PPO)
- Aetna Premier 200PD
- HealthyBlue PPO
- Jai Medical Systems - Maryland Health Choice
- MedStar Family Choice DC Healthcare Alliance
- Anthem BCBS Medi Blue SNP
- MedStar Family Choice - Maryland Health Choice
- Core Essential (HMO)
- TriWest Healthcare Alliance
- Alterwood Advanatge HMO & DSNP Plans
- Choice Care Network/HUMANA (PPO)
- Priority Partners - Maryland Health Choice
- M.D. IPA Preferred (POS)
- CareFirst MedStar PPO
- Anthem BCBS Medi Blue Dual Adv
- Aetna VA Exchange
- CareFirst BlueChoice HMO
- Kaiser Permanente Flexible Choice POS Cardiac Global
- United Healthcare Choice Plus
- Optimum Choice
- IH-POS Plus
- Aetna Medicare Advantage PFFS Plan
- Options PPO Cardiac Global
- CareFirst (NCA) Indemnity
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- United Student Resources
- Aetna Student Health Insurance
- CareFirst Blue Card Program
- WellPoint Maryland - Maryland Health Choice
- United Healthcare Community Plan - VA Medicaid MCO
- Kaiser Permanente Flexible Choice 3-tier POS
- Kaiser Permanente Signature
- United Healthcare Choice
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- Kaiser Permanente Select - Added Choice
- Great-West Healthcare POS/CIGNA
- Kaiser Permanente HMO Plus and DHMO Plus Member
- CareFirst Maryland Indemnity or PPO
- AmeriHealth Caritas DC Healthy Families
- Lasso Healthcare - Medicare Medical Savings Account
- Sentara Health
- CIGNA PPO
- United Healthcare Navigate Cardiac Global
- United Medicare Private Fee-for-Service (PFFS) plans
- United Healthcare Choice Cardiac Global
- Amerigroup DC Alliance
- IH-Open EPO Plus
- Magellan Complete Care of VA - VA Medicaid MCO
- Aetna Quality Point of Service (POS)
- MedStar Family Choice DC Healthy Families
- OCI Direct (HMO)
- Medicare Direct
- Aetna Worker's Compensation Network
- Choice POS II Open Access
- Veterans Affairs Community Care Network
- Aetna Open Choice (PPO)
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- CareFirst Administrators
- Tricare Reserve Select
- CareFirst EPO
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- Anthem Federal Employee Program Standard
- CareFirst Group Medicare Advantage
- M.D. IPA (HMO)
- Maryland Physicians Care MCO
- IH-Indemnity
- Select HMO/HealthFund/Health Network
- AmeriHealth Caritas DC Healthcare Alliance
- Johns Hopkins Advantage MD PPO
- United Healthcare Choice Plus Cardiac Global
- Cigna Preferred Medicare (HMO)
- First Health PPO
- Kaiser Permanente Signature - Added Choice
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Anthem BCBS Medi Blue Plus
- CareFirst MedStar Select PPO
- United Healthcare Options (PPO)
- Aetna Managed Choice (POS)
- CIGNA POS/Network POS
- CIGNA EPO
- Private Fee-for-Service Plans (PFFS)
- IH-Open Network Only Plus
- HumanaChoice PPO
- Healthy Blue (HMO, POS)
- United Healthcare Select Plus (POS)
- Aetna Advantage 6350
- Aetna Better Health of MD
- Police and Fire Clinic
- POS OA
- Aetna Classic 3500
- IH-Open HMO Option
- Coventry Health Care National Network PPO
- IH-Open POS II
- Medicare Advantage - Advantra Value (PPO)
- Amerigroup DC Healthy Families
- MultiPlan, Inc
- Beech Street PPO
- Kaiser Permanente Medicare Plus
- IH-EPO Plus
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- Cigna Achieve Medicare (HMO C-SNP)
- Navigate
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- CareFirst NASCO
- Kaiser Maryland Medicaid MCO
- Aetna Advantage 6350PD
- CareFirst Community Health Plan of MD
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- TRICARE for Life East
- Kaiser Permanente Select
- Medicare FFS
- CIGNA Connect EPO
- Aetna Traditional Choice (PPO)
- CIGNA Indemnity
- UnitedHealthcare Individual Exchange Plans
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- Uniformed Services Family Health Plan
- IH-HMO
- Coventry Health Care of Virginia
- Humana Medicare Advantage - HMO Open Access
- CIGNA SureFit (HMO)
- Aetna Elect Choice/ Open Access (POS)
- CIGNA PPO Plus
- First Health PPO
- Optima Family Care MCO - VA Medicaid MCO
- Johns Hopkins Advantage MD HMO
- Health Services for Children with Special Needs
- Aetna Managed Choice Open Access (POS)
- Cigna True Choice Plus Medicare (PPO)
- Mamsi Life & Health (Indem./PPO)
- NYC Medicare Advantage Plus
- Geisinger Medicare Advantage
- CareFirst Federal Employee Program (Std. & Basic PPO)
- Optimum Choice Preferred (POS)
- IH-Open HMO
- Anthem Federal Employee Program Basic
- CareFirst Maryland Point of Service Plan
Education
Board Certification: American Board of Surgery, General Surgery
Fellowship: University of Pittsburgh Medical Center (2008)
Residency: Graduate Hospital (2007)
Internship: Graduate Hospital (2002)
Internship: University of Alexandria School of Medicine (1999)
Medical School: University of Alexandria Medical School (1998)