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
- Adrenal Surgery
- Amputation
- 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
- Ileostomy
- Iliopopliteal Bypass
- Inferior Vena Cava Filter Placement
- 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
Practice locations
Distance from Change Location Enter your Location
18109 Prince Philip Dr
Ste B100
Olney, MD, 20832
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
- Alterwood Advanatge HMO & DSNP Plans
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- Aetna Managed Choice Open Access (POS)
- Medicare Advantage - Advantra Value (PPO)
- Amerigroup DC Alliance
- CareFirst Community Health Plan of MD
- Medicare FFS
- Priority Partners - Maryland Health Choice
- Police and Fire Clinic
- MedStar Family Choice DC Healthy Families
- TriWest Healthcare Alliance
- WellPoint Maryland - Maryland Health Choice
- Aetna Medicare Advantage PFFS Plan
- First Health PPO
- Johns Hopkins Advantage MD PLUS PPO
- Tricare Reserve Select
- Kaiser Permanente Flexible Choice 3-tier POS
- MedStar Family Choice DC Healthcare Alliance
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- DC/MD SHOP QHP Small Business Plans
- Choice POS II Open Access
- TRICARE East Select
- HumanaChoice Honor's plan PPO
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- CIGNA SureFit (HMO)
- United Healthcare Choice
- United Student Resources
- Geisinger Medicare Advantage
- Aetna Better Health of VA
- IH-HMO
- NYC Medicare Advantage Plus
- Aetna Advantage 5750
- Aetna Medicare Advantage HMO & PPO Plans
- IH-Open HMO
- Healthy Blue (HMO, POS)
- CIGNA PPO Plus
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Aetna Better Health of MD
- CIGNA Connect EPO
- Choice Fund PPO
- Amerigroup DC Healthy Families
- Humana Gold Plus HMO
- OA Plus
- CareFirst Maryland Indemnity or PPO
- Mamsi Life & Health (Indem./PPO)
- Johns Hopkins Advantage MD HMO
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- CIGNA POS/Network POS
- United Healthcare Choice Plus
- HealthyBlue PPO
- POS OA
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Aetna VA Exchange
- Navigate
- Veterans Affairs Community Care Network
- Aetna Advantage 6350PD
- CareFirst Blue Choice Opt Out Open Access
- Great-West Healthcare POS/CIGNA
- CareFirst (NCA) Indemnity
- HighMark
- Aetna Worker's Compensation Network
- Cigna TotalCare (HMO D-SNP)
- IH-Indemnity
- Aetna Traditional Choice (PPO)
- CareFirst MedStar PPO
- Humana Medicare Advantage - PPO
- BlueChoice Open Access
- United Healthcare Community Plan - VA Medicaid MCO
- TRICARE for Life East
- IH-Open POS II
- Kaiser Permanente Signature - Added Choice
- Maryland Physicians Care MCO
- IH-Open EPO Plus
- Kaiser Permanente Medicare Plus
- UnitedHealthcare and AARP Medicare Complete Plans
- Anthem Federal Employee Program Basic
- CareFirst Dual Prime HMO-SNP
- CIGNA HMO & Network (HMO)
- Employee Health Plan
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- Aetna Classic 5000PD
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- CIGNA Indemnity
- IH-Open POS Plus
- Anthem BCBS Medi Blue Dual Adv
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Select HMO/HealthFund/Health Network
- IH-Network Only Plus
- First Health PPO
- Aetna Basic
- Optimum Choice
- United HealthCare Community Plan - Maryland Health Choice Program
- AMERIVANTAGE/Amerigroup Community Care
- Kaiser Permanente Select - Added Choice
- Cigna Achieve Medicare (HMO C-SNP)
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Anthem Federal Employee Program Standard
- TRICARE East Prime
- United Healthcare Select Plus (POS)
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Aetna Elect Choice/ Open Access (POS)
- Kaiser Maryland Medicaid MCO
- CareFirst NASCO
- Blue Choice Advantage
- IH-Open HMO Option
- CareFirst EPO
- CIGNA EPO
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Sentara Health
- Core Essential (HMO)
- Choice POS
- Kaiser Permanente Flexible Choice POS Cardiac Global
- Kaiser Permanente Medicare Advantage Signature and Select
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- Health Services for Children with Special Needs
- Kaiser Permanente HMO Plus and DHMO Plus Member
- IH-PPO
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- Cigna Preferred Medicare (HMO)
- Aetna Signature Administrator PPO/TPA
- Coventry of Delaware HMO/PPO
- Aetna Classic 5000
- IH-POS Plus
- CareFirst Administrators
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Options PPO Cardiac Global
- AmeriHealth Caritas DC Healthcare Alliance
- Coventry Health Care of Virginia
- Kaiser Permanente Select
- OCI Direct (HMO)
- Lasso Healthcare - Medicare Medical Savings Account
- United Healthcare Choice Cardiac Global
- IH-Open Network Only Plus
- Anthem BCBS Medi Blue SNP
- Cigna True Choice Plus Medicare (PPO)
- UHC Passport
- Optimum Choice Preferred (POS)
- Aetna Advantage 6350
- Anthem BCBS of VA HealthKeepers (HMO)
- CareFirst Blue Preferred PPO
- CIGNA PPO
- M.D. IPA (HMO)
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- Uniformed Services Family Health Plan
- Private Health Care Systems (PPO)
- Kaiser Permanente Select Cardiac Global
- Aetna HMO
- Aetna Managed Choice (POS)
- Aetna Student Health Insurance
- Aetna Open Choice (PPO)
- CareFirst Group Medicare Advantage
- Aetna Quality Point of Service (POS)
- Anthem BCBS Medi Blue Plus
- AmeriHealth Caritas DC Healthy Families
- Cigna True Choice Medicare (PPO)
- Johns Hopkins Advantage MD PPO
- UnitedHealthcare Individual Exchange Plans
- Erickson Advantage Plans
- CareFirst MedStar Select PPO
- IH-EPO Plus
- Anthem BCBS of VA HealthKeepers Plus
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- CareFirst Maryland Point of Service Plan
- Jai Medical Systems - Maryland Health Choice
- Magellan Complete Care of VA - VA Medicaid MCO
- IH-POS
- Beech Street PPO
- CareFirst Federal Employee Program (Std. & Basic PPO)
- Advantra Platinum (PPO)
- United Healthcare Select HMO - EPO/NPP
- Choice POS II
- Kaiser Permanente Signature
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- Humana Medicare Advantage - HMO Open Access
- Optima Family Care MCO - VA Medicaid MCO
- United Healthcare Navigate Cardiac Global
- Cigna Alliance Medicare (HMO)
- CareFirst FEP Blue Focus
- Network OA
- Aetna Classic 3500
- United Medicare Private Fee-for-Service (PFFS) plans
- Private Fee-for-Service Plans (PFFS)
- United Healthcare Choice Plus Cardiac Global
- MedStar Family Choice - Maryland Health Choice
- CareFirst Blue Card Program
- CIGNA HMO Open Access
- United Healthcare Options (PPO)
- Choice Care Network/HUMANA (PPO)
- HumanaChoice PPO
- MultiPlan, Inc
- M.D. IPA Preferred (POS)
- Coventry Health Care National Network PPO
- Medicare Direct
- Aetna Premier 200PD
- CareFirst BlueChoice HMO
Education
Board Certification: National Committee on Certification of Physician Assistants, Certification of Physician Assistants
Graduate: Mercer University (2022)