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 (234 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]
  • Diaphragmatic Hernia
  • Digestive System Cancer
  • Digestive System Complications
  • Digestive System Diseases
  • Digestive System Symptoms
  • Diseases Of Esophagus
  • Diseases Of Stomach And Duodenum
  • Diverticulitis
  • Duodenal Ulcer
  • Duodenitis
  • Dysphagia
  • Epigastric Pain
  • Esophageal Cancer
  • Esophagitis
  • Flatulence
  • Functional Intestinal Disorders
  • Gallbladder Cancer
  • Gastric Cancer
  • Gastric Varices
  • 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 LocationEnter your Location

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

301-774-8962

Fax 202-877-3062

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

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
  • Mar 27, 2026

    Good

  • Mar 11, 2026

    Very good experience taking with Sandy

  • Feb 19, 2026

    Very detailed, thorough, friendly.