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