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