Allison Griner Sewell, MMS PA| General Surgery | MedStar Health
Clinical areas of focus
- Choledocholithiasis
- Diaphragmatic Hernia
- Gallstones
- Incisional Hernia
Conditions and procedures
Conditions I treat
- Abdomen, Lower Back, Pelvis, And Genital Open Wound
- Abdominal Adhesions
- Abdominal Cancer
- Abdominal Wall Defects
- Accessory Sinuses Cancer
- Acquired Absence Of Organs
- Acute Cholecystitis
- Acute Pancreatitis
- Appendix Rupture
- Belly Button Hernia
- Biliary Tract Disease
- Body Mass Index
- Boils
- Choledocholithiasis
- Chronic Appendicitis
- Complications From Weight Loss Surgery
- Complications Of Procedures
- Cutaneous Abscess, Furuncle And Carbuncle
- Diaphragmatic Hernia
- Diseases Of Appendix
- Duodenal Ulcer
- Enlarged Thyroid Gland
- Fatty Tumor Near The Intestine
- Gallstones
- Hernia Near A Previous Surgical Scar
- Hernia Near The Groin
- Herniated Stomach
- Hole In The Diaphragm
- Incisional Hernia
- Infected Sweat Gland
- Infected Tooth
- Inflamed Pancreas
- Intestinal Stenosis
- Long Term Drug Therapy
- Mammary Dysplasia
- Obesity
- Ovarian Cysts And Benign Neoplasms
- Pilar Cysts
- Problems After Surgery
- Reaction To Surgery
- Skin And Soft Tissue Infections
- Skin And Subcutaneous Tissue Complications
- Stomach Problems
- Swollen Spleen
- Tendinous Disorders
- Thyroid Nodules
- Trauma To The Abdomen
- Umbilical Hernia In Children
- Ventral Hernia
- Weight Loss Surgery Complications
Procedures I perform
- Abdominal Organ Transplantation
- Abdominal Wall Reconstruction
- Abdominal Wall Tumor Resection
- Adrenal Surgery
- Amputation
- Anal Fistula Treatment
- Aneurysm Repair
- Angioplasty
- Aortic Valve Repair
- Arterial Thrombolysis
- Artificial Liver Therapy
- Atherectomy
- Bladder Neck Reconstruction
- Bladder Stone Removal
- Bone Graft
- Breast Biopsy
- Breast Reconstruction
- Cardiac Surgical Procedures
- Carotid Endarterectomy
- Cervical Lymph Node Dissection
- Cholecystectomy
- Colon Resection
- Colostomy
- Dialysis
- Dialysis Graft Creation
- Diverting Colostomy
- Endovascular Surgery
- Endovenous Laser Therapy
- Enterectomy
- Enterocele Repair
- Enteroenterostomy
- Femoral Nerve Transfer
- Flap Surgery
- Gallbladder Removal
- Ganglion Cyst Excision
- Gastrectomy
- Gastric Artery Embolization
- Gastric Plication
- Gastric Surgery
- Gastric Switch
- Gastroduodenostomy
- Gastrointestinal Tube Placement
- Gastrojejunostomy
- Gastrostomy
- Gelfoam Embolization
- Heel Tendon Repair
- Hemipelvectomy
- Hemorrhoidectomy
- I-131 Therapy
- Ileostomy
- Iliopopliteal Bypass
- Incision And Drainage Of Abscess
- Inferior Vena Cava Filter Placement
- Internal Jugular Central Line Placement
- Internal Radiation Therapy
- Intestinal Reconstruction
- Intraoperative Frozen Section
- Isolated Limb Perfusion
- Jejunostomy
- Laparoscopic Revision Of Gastric Restrictive Procedure
- Laparoscopic Splenectomy
- Liver Resection
- Liver Transplant
- Lobectomy
- Local Tissue Transfer
- Lumpectomy
- Lymph Node Transfer
- Lymphangiography
- Lymphatic Surgery
- Mastectomy
- Mastopexy
- Melanoma Removal
- Melanoma Resection
- Microwave Ablation
- Neobladder Creation
- Oral Surgery
- Pancreas And Kidney Transplant
- Pancreas Transplant
- Parathyroid Tumor Surgery
- Parotidectomy
- Pelvic Exenteration
- Percutaneous Tumor Chemoembolization
- Prostate Artery Embolization
- Pulmonary Thromboendarterectomy
- Radiofrequency Thermoablation
- Repair Of Anterior Abdominal Hernia
- Retroperitoneal Tumor Removal
- Salvage Surgery
- Sentinel Lymph Node Mapping
- Skin Graft
- Small Bowel Resection
- Small Bowel Transplant
- Spleen Removal
- Splenectomy
- Stent Placement
- Stenting Of An Artery
- Superior Vena Cava Filter Placement
- Surgical Oncology Surgery
- Therasphere Therapy
- Thoracic Duct Embolization
- Thoracostomy
- Thrombolysis
- Thyroidectomy
- Tracheostomy
- Transarterial Embolization
- Transitional Cell Carcinoma Treatment
- Tumor Debulking
- Tumor Embolization
- Tumor Resection
- Uterine Fibroid Embolization
- Varicocele Embolization
- Varicose Vein Stripping
- Varicose Vein Treatment
- Vascular Access Creation
- Vascular Anastomosis
- Vascular Reconstruction
- Vein Sclerotherapy
- Ventral Hernia Repair With Mesh
- Wound Debridement
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.
-
List of insurance plans we accept
- Johns Hopkins Advantage MD HMO
- Kaiser Permanente Select - Added Choice
- United Healthcare Choice Plus Cardiac Global
- Advantra Platinum (PPO)
- M.D. IPA Preferred (POS)
- Alterwood Advanatge HMO & DSNP Plans
- Erickson Advantage Plans
- IH-Open Network Only Plus
- CareFirst MedStar Select PPO
- IH-HMO
- CareFirst Blue Preferred PPO
- CareFirst Blue Choice Opt Out Open Access
- Magellan Complete Care of VA - VA Medicaid MCO
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- IH-Open HMO
- CareFirst Community Health Plan of MD
- Aetna Basic
- HumanaChoice Honor's plan PPO
- Geisinger Medicare Advantage
- IH-PPO
- Cigna Preferred Medicare (HMO)
- UnitedHealthcare and AARP Medicare Complete Plans
- Johns Hopkins Advantage MD PPO
- MedStar Family Choice DC Healthcare Alliance
- OCI Direct (HMO)
- Aetna Better Health of VA
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- Choice Fund PPO
- CIGNA Connect EPO
- Anthem Federal Employee Program Basic
- Kaiser Permanente Medicare Plus
- Kaiser Permanente Select
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- CareFirst Administrators
- United Healthcare Choice
- MedStar Family Choice - Maryland Health Choice
- Cigna True Choice Medicare (PPO)
- Great-West Healthcare POS/CIGNA
- Mamsi Life & Health (Indem./PPO)
- HealthyBlue PPO
- TRICARE for Life East
- Aetna Elect Choice/ Open Access (POS)
- Coventry of Delaware HMO/PPO
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Choice POS
- Anthem BCBS Medi Blue Plus
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Kaiser Permanente Select Cardiac Global
- Aetna VA Exchange
- IH-Network Only Plus
- IH-Open EPO Plus
- IH-Open POS II
- HumanaChoice PPO
- POS OA
- Johns Hopkins Advantage MD PLUS PPO
- HighMark
- Core Essential (HMO)
- IH-EPO Plus
- CareFirst BlueChoice HMO
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Private Health Care Systems (PPO)
- Anthem Federal Employee Program Standard
- Blue Choice Advantage
- First Health PPO
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- CIGNA PPO Plus
- Sentara Health
- Lasso Healthcare - Medicare Medical Savings Account
- UnitedHealthcare Individual Exchange Plans
- AmeriHealth Caritas DC Healthy Families
- TriWest Healthcare Alliance
- Uniformed Services Family Health Plan
- United Healthcare Navigate Cardiac Global
- MedStar Family Choice DC Healthcare Alliance
- Aetna Managed Choice Open Access (POS)
- Aetna Premier 200PD
- BlueChoice Open Access
- Cigna TotalCare (HMO D-SNP)
- Medicare FFS
- Navigate
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- Aetna Traditional Choice (PPO)
- Kaiser Permanente Medicare Advantage Signature and Select
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Aetna Managed Choice (POS)
- Options PPO Cardiac Global
- Humana Gold Plus HMO
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- IH-POS
- TRICARE East Prime
- Aetna Open Choice (PPO)
- Humana Medicare Advantage - PPO
- IH-Open POS Plus
- CareFirst MedStar PPO
- Police and Fire Clinic
- WellPoint Maryland - Maryland Health Choice
- IH-Indemnity
- United HealthCare Community Plan - Maryland Health Choice Program
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- Optima Family Care MCO - VA Medicaid MCO
- United Medicare Private Fee-for-Service (PFFS) plans
- CIGNA HMO Open Access
- CareFirst Group Medicare Advantage
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- CIGNA HMO & Network (HMO)
- Select HMO/HealthFund/Health Network
- Mamsi Life & Health (Indem./PPO)
- Cigna True Choice Plus Medicare (PPO)
- Choice Care Network/HUMANA (PPO)
- United Healthcare Choice Plus
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- Aetna Classic 5000PD
- Anthem BCBS of VA HealthKeepers Plus
- Priority Partners - Maryland Health Choice
- CIGNA EPO
- CareFirst EPO
- Optimum Choice
- United Healthcare Select Plus (POS)
- Aetna Medicare Advantage HMO & PPO Plans
- Optimum Choice Preferred (POS)
- Aetna HMO
- Jai Medical Systems - Maryland Health Choice
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Aetna Medicare Advantage PFFS Plan
- Kaiser Permanente Signature
- United Student Resources
- AmeriHealth Caritas DC Healthcare Alliance
- Kaiser Permanente Signature - Added Choice
- IH-POS Plus
- Cigna Achieve Medicare (HMO C-SNP)
- Health Services for Children with Special Needs
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- UnitedHealthcare Medicare Adv. Special Needs Plans
- United Healthcare Options (PPO)
- United Healthcare Select HMO - EPO/NPP
- Choice POS II Open Access
- CareFirst Blue Card Program
- Humana Medicare Advantage - HMO Open Access
- Anthem BCBS of VA HealthKeepers (HMO)
- OA Plus
- CareFirst NASCO
- AMERIVANTAGE/Amerigroup Community Care
- CIGNA Indemnity
- Aetna Advantage 5750
- Aetna Classic 3500
- Beech Street PPO
- Coventry Health Care National Network PPO
- CareFirst (NCA) Indemnity
- Choice POS II
- Healthy Blue (HMO, POS)
- Tricare Reserve Select
- United Healthcare Community Plan - VA Medicaid MCO
- Medicare Direct
- Aetna Student Health Insurance
- DC/MD SHOP QHP Small Business Plans
- Private Fee-for-Service Plans (PFFS)
- CIGNA POS/Network POS
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Maryland Physicians Care MCO
- MultiPlan, Inc
- Kaiser Permanente Flexible Choice POS Cardiac Global
- IH-Open HMO Option
- CareFirst Federal Employee Program (Std. & Basic PPO)
- MedStar Family Choice DC Healthy Families
- CareFirst Maryland Point of Service Plan
- TRICARE East Select
- CareFirst FEP Blue Focus
- Medicare Advantage - Advantra Value (PPO)
- CareFirst Dual Prime HMO-SNP
- Amerigroup DC Healthy Families
- Aetna Classic 5000
- CIGNA PPO
- Amerigroup DC Alliance
- Network OA
- Anthem BCBS Medi Blue Dual Adv
- Kaiser Permanente Flexible Choice 3-tier POS
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- Aetna Better Health of MD
- CareFirst Maryland Indemnity or PPO
- Cigna Alliance Medicare (HMO)
- CIGNA SureFit (HMO)
- NYC Medicare Advantage Plus
- Aetna Advantage 6350PD
- Aetna Worker's Compensation Network
- First Health PPO
- Aetna Advantage 6350
- M.D. IPA (HMO)
- UHC Passport
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Employee Health Plan
- Veterans Affairs Community Care Network
- United Healthcare Choice Cardiac Global
- Aetna Quality Point of Service (POS)
- Aetna Signature Administrator PPO/TPA
- Anthem BCBS Medi Blue SNP
- UnitedHealthcare Individual Exchange Plans
- Kaiser Maryland Medicaid MCO
- Coventry Health Care of Virginia
Education
Board Certification: National Committee on Certification of Physician Assistants,
Graduate: Mercer University (2022)