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
- Aetna Quality Point of Service (POS)
- MedStar Family Choice - Maryland Health Choice
- Kaiser Permanente Flexible Choice POS Cardiac Global
- IH-Open POS II
- Core Essential (HMO)
- TriWest Healthcare Alliance
- BlueChoice Open Access
- Aetna Advantage 6350PD
- Medicare Direct
- Aetna Medicare Advantage PFFS Plan
- Erickson Advantage Plans
- Aetna Elect Choice/ Open Access (POS)
- WellPoint Maryland - Maryland Health Choice
- CareFirst Dual Prime HMO-SNP
- United Healthcare Choice Plus Cardiac Global
- Aetna Managed Choice Open Access (POS)
- POS OA
- Cigna Achieve Medicare (HMO C-SNP)
- Select HMO/HealthFund/Health Network
- Uniformed Services Family Health Plan
- IH-Network Only Plus
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Advantra Platinum (PPO)
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- IH-POS Plus
- Kaiser Permanente Medicare Advantage Signature and Select
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- Anthem BCBS Medi Blue Plus
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- Choice Care Network/HUMANA (PPO)
- Kaiser Permanente HMO Plus and DHMO Plus Member
- United Student Resources
- OA Plus
- Maryland Physicians Care MCO
- Private Fee-for-Service Plans (PFFS)
- Aetna Classic 5000PD
- Aetna Better Health of MD
- Anthem BCBS of VA HealthKeepers (HMO)
- Aetna Worker's Compensation Network
- CareFirst BlueChoice HMO
- CareFirst NASCO
- HumanaChoice PPO
- CIGNA HMO & Network (HMO)
- Mamsi Life & Health (Indem./PPO)
- Aetna Better Health of VA
- Kaiser Permanente Select
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Cigna TotalCare (HMO D-SNP)
- IH-Indemnity
- CareFirst MedStar PPO
- Johns Hopkins Advantage MD PPO
- IH-POS
- Optima Family Care MCO - VA Medicaid MCO
- Anthem Federal Employee Program Standard
- DC/MD SHOP QHP Small Business Plans
- Aetna Advantage 5750
- Aetna Basic
- Aetna VA Exchange
- IH-HMO
- AmeriHealth Caritas DC Healthcare Alliance
- United Healthcare Choice
- Kaiser Maryland Medicaid MCO
- Humana Medicare Advantage - HMO Open Access
- Humana Gold Plus HMO
- Anthem BCBS Medi Blue SNP
- Kaiser Permanente Signature - Added Choice
- TRICARE for Life East
- Aetna Signature Administrator PPO/TPA
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- Geisinger Medicare Advantage
- Magellan Complete Care of VA - VA Medicaid MCO
- Johns Hopkins Advantage MD HMO
- Kaiser Permanente Select - Added Choice
- UnitedHealthcare and AARP Medicare Complete Plans
- TRICARE East Select
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Anthem BCBS of VA HealthKeepers Plus
- United Healthcare Navigate Cardiac Global
- Sentara Health
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- CareFirst Administrators
- Great-West Healthcare POS/CIGNA
- CareFirst Group Medicare Advantage
- HumanaChoice Honor's plan PPO
- Healthy Blue (HMO, POS)
- Aetna Open Choice (PPO)
- Blue Choice Advantage
- CareFirst FEP Blue Focus
- CIGNA Indemnity
- CareFirst (NCA) Indemnity
- Employee Health Plan
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Coventry Health Care National Network PPO
- Lasso Healthcare - Medicare Medical Savings Account
- IH-Open HMO
- IH-Open EPO Plus
- Veterans Affairs Community Care Network
- IH-EPO Plus
- CIGNA HMO Open Access
- CareFirst MedStar Select PPO
- CareFirst Community Health Plan of MD
- Humana Medicare Advantage - PPO
- United Healthcare Community Plan - VA Medicaid MCO
- Anthem Federal Employee Program Basic
- Choice POS II
- MedStar Family Choice DC Healthcare Alliance
- HealthyBlue PPO
- CareFirst Blue Card Program
- First Health PPO
- NYC Medicare Advantage Plus
- IH-Open HMO Option
- Coventry Health Care of Virginia
- United Healthcare Choice Plus
- Aetna Managed Choice (POS)
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- MultiPlan, Inc
- Optimum Choice
- United HealthCare Community Plan - Maryland Health Choice Program
- Kaiser Permanente Select Cardiac Global
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Cigna True Choice Plus Medicare (PPO)
- Alterwood Advanatge HMO & DSNP Plans
- UnitedHealthcare Individual Exchange Plans
- United Healthcare Options (PPO)
- Choice POS
- Cigna True Choice Medicare (PPO)
- Private Health Care Systems (PPO)
- Navigate
- Aetna Premier 200PD
- IH-PPO
- Jai Medical Systems - Maryland Health Choice
- M.D. IPA Preferred (POS)
- UHC Passport
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- CareFirst Federal Employee Program (Std. & Basic PPO)
- CareFirst Maryland Indemnity or PPO
- CareFirst EPO
- Aetna Medicare Advantage HMO & PPO Plans
- Amerigroup DC Healthy Families
- Choice Fund PPO
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- TRICARE East Prime
- OCI Direct (HMO)
- Aetna Traditional Choice (PPO)
- United Healthcare Choice Cardiac Global
- CIGNA Connect EPO
- CIGNA EPO
- Network OA
- CIGNA PPO Plus
- CIGNA POS/Network POS
- Medicare FFS
- IH-Open Network Only Plus
- IH-Open POS Plus
- M.D. IPA (HMO)
- Kaiser Permanente Signature
- Cigna Alliance Medicare (HMO)
- Tricare Reserve Select
- Aetna Student Health Insurance
- Anthem BCBS Medi Blue Dual Adv
- Aetna HMO
- CareFirst Maryland Point of Service Plan
- CIGNA PPO
- United Healthcare Select HMO - EPO/NPP
- Medicare Advantage - Advantra Value (PPO)
- AmeriHealth Caritas DC Healthy Families
- Options PPO Cardiac Global
- CareFirst Blue Choice Opt Out Open Access
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Amerigroup DC Alliance
- HighMark
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- Kaiser Permanente Medicare Plus
- United Medicare Private Fee-for-Service (PFFS) plans
- Johns Hopkins Advantage MD PLUS PPO
- Optimum Choice Preferred (POS)
- Aetna Classic 3500
- Health Services for Children with Special Needs
- Priority Partners - Maryland Health Choice
- MedStar Family Choice DC Healthy Families
- Coventry of Delaware HMO/PPO
- Cigna Preferred Medicare (HMO)
- Kaiser Permanente Flexible Choice 3-tier POS
- Beech Street PPO
- CIGNA SureFit (HMO)
- AMERIVANTAGE/Amerigroup Community Care
- First Health PPO
- Police and Fire Clinic
- CareFirst Blue Preferred PPO
- Choice POS II Open Access
- Aetna Advantage 6350
- Aetna Classic 5000
- United Healthcare Select Plus (POS)
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)