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