Sandy G Wiese, AGACNP-BC| Gastroenterology | MedStar Health
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Sandy G Wiese

Sandy G Wiese, AGACNP-BC
Provider is directly employed by MedStar Health

4.8 out of 5 (245 reviews)

Specialties: Gastroenterology

Languages: English

Clinical areas of focus

  • Bowel Obstruction
  • Colonoscopy
  • Diverticulitis
  • Duodenal Ulcer
  • Endoscopic Clip Placement
  • Endoscopic Retrograde Cholangiopancreatography
  • Gastroesophageal Reflux Disease (GERD) In Children
  • Gastrointestinal Functional Disorder Treatment
  • Inflammatory Bowel Disease (IBD) With Infection
  • Irritable Bowel Syndrome
  • Melena Treatment
  • Nausea And Vomiting Management
  • Transrectal Ultrasound
  • Upper Endoscopy
  • Variceal Band Ligation
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Conditions and procedures

Conditions I treat

  • Abdominal Cramping
  • Abdominal Pain
  • Abscess Of The Intestine
  • Acute Pancreatitis
  • Alimentary Tract Foreign Body
  • Anal Fissures
  • Anus And Rectum Diseases
  • Aphagia And Dysphagia
  • Appendiceal Cancer
  • Bile Duct Stones
  • Biliary Tract Disease
  • Blood In Stool
  • Bowel Obstruction
  • Celiac Disease
  • Choledocholithiasis
  • Chronic Diarrhea
  • Colon Disease
  • Colorectal Malignancy
  • Congenital Malformations Of Digestive System
  • Constipation
  • Crohn's Disease
  • Crohn's Disease [Regional Enteritis]
  • Digestive System Cancer
  • Digestive System Complications
  • Digestive System Diseases
  • Digestive System Symptoms
  • Diseases Of Esophagus
  • Diverticulitis
  • Duodenal Ulcer
  • Duodenitis
  • Dysphagia
  • Epigastric Pain
  • Esophageal Cancer
  • Esophagitis
  • Flatulence
  • Functional Intestinal Disorders
  • Gallbladder Cancer
  • Gastric Cancer
  • Gastritis
  • Gastroenteritis
  • Gastroesophageal Reflux Disease (GERD) In Children
  • Gastrointestinal Bleeding
  • Gastrointestinal Bleeding And Rectal Bleeding
  • Gastrointestinal Stromal Tumor (GIST)
  • H. Pylori Infection
  • Hemorrhoids
  • Hepatitis
  • Hepatomegaly
  • Hepatomegaly And Splenomegaly
  • Inflammatory Bowel Disease
  • Inflammatory Bowel Disease (IBD) With Infection
  • Intestinal Infections
  • Intestinal Stenosis
  • Irritable Bowel Syndrome
  • Liver Cirrhosis
  • Liver Encephalopathy
  • Liver Fibrosis
  • Malabsorption
  • Melena
  • Noninfective Gastroenteritis
  • Pancreatic Diseases
  • Pancreatitis
  • Paralytic Ileus And Intestinal Obstruction
  • Perianal Fistula
  • Peripheral Vascular Disease Of The Intestines
  • Polycystic Liver Disease
  • Rectal Cancer
  • Small Intestine Cancer
  • Stomach Cancer
  • Ulcerative Colitis
  • Vomiting
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Procedures I perform

  • Capsule Endoscopy
  • Celiac Disease Treatment
  • Colonoscopy
  • Endoscopic Clip Placement
  • Endoscopic Mucosal Resection
  • Endoscopic Retrograde Cholangiopancreatography
  • Endoscopic Stricture Dilation
  • Endoscopic Treatment Of Barrett's Esophagus
  • Enteroscopy
  • Ercp With Sphincterotomy
  • Esophageal Dilation
  • Esophageal PH Monitoring
  • Gastric Manometry
  • Gastric Stenting
  • Gastrointestinal Foreign Body Removal
  • Gastrointestinal Functional Disorder Treatment
  • Gastrointestinal Tube Placement
  • Helicobacter Pylori Stool Test
  • Hepatitis E Treatment
  • Hernia Repair
  • Inflammatory Bowel Disease
  • Irritable Bowel Syndrome Treatment
  • Liver Biopsy
  • Melena Treatment
  • Minimally Invasive Gastrointestinal Surgery
  • Nausea And Vomiting Management
  • Portal Hypertension Treatment
  • Sclerotherapy Of Esophageal Varices
  • Sphincterotomy
  • Swallowing Disorder Treatment
  • Transrectal Ultrasound
  • Ulcerative Colitis-Associated Arthritis Treatment
  • Upper Endoscopy
  • Variceal Band Ligation
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Practice locations

Distance from Change Location Enter your Location

18109 Prince Philip Dr
B-100
Olney, MD, 20832

301-774-8962
Get Directions

miles away

Fax 202-877-3062

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

Education

Board Certification: American Nurses Credentialing Center, American Academy of Nurse Practitioners

Graduate: Walden University-Baltimore (2020)

Ratings and reviews

  • Explanations the care provider gave you about your problem or condition

    4.8
  • Extent to which the care provider listened to you

    4.9
  • Care provider’s discussion of any proposed treatment (options, risks, benefits, etc.)

    4.8
  • Provider included you in decisions

    4.8
  • Concern the care provider showed for your questions or worries

    4.9
  • Likelihood of recommending this care provider to others

    4.8
  • May 8, 2026

    The provider was attentive and thorough.

  • May 3, 2026

    It was nice assessment. Thank you

  • Apr 10, 2026

    Really sweet lady.