Raena S. Olsen, DO| Gastroenterology | MedStar Health
About me
Raena Olsen, DO, is a highly-skilled gastroenterologist who treats all gastrointestinal tract and liver conditions. Dr. Olsen joined MedStar Georgetown University Hospital after 14 years with Cedars-Sinai Medical Group in Beverly Hills, California, where she received the highest honor year after year in patient satisfaction. She was named “Top Doc” in 2020 and 2021 by Los Angeles Magazine.
Dr. Olsen provides a full scope of services, from routine procedures to advanced gastroenterology treatments. She has a particular interest in:
- Esophageal disorders
- Intestinal disorders
- Liver disease
- Pancreatic disease
- Women’s GI conditions
- Colon cancer screenings
She embraces a holistic, team-based approach to achieve optimal health outcomes through multimodal care plans that often involve lifestyle interventions alongside medical treatments. For complex cases, Dr. Olsen readily involves a multidisciplinary team of MedStar Health physicians and experts.
Dr. Olsen received her medical degree from the University of Health Sciences College of Osteopathic Medicine in Kansas City, Missouri. She completed her internship, residency, and fellowship at the University of Medicine and Dentistry of New Jersey in Stratford, New Jersey. She is board certified in gastroenterology and internal medicine and is a member of the American Osteopathic Association.
She sees patients at MedStar Health Gastroenterology at Silver Spring and MedStar Montgomery Medical Center. When not practicing medicine, she enjoys spending time with her family and curling up with a good book.
Clinical areas of focus
- Abdominal Distention
- Abnormal Bowel Movement
- Abnormal Stool
- Anal Fissure
- Bleeding Hemorrhoids
- Chronic Diarrhea
- Colonoscopy
- Constipation
- Diarrhea
- Gastrointestinal Bleeding
- Helicobacter Pylori
- Postprandial Diarrhea
- Rectal Pain
- Stomach Pain
Conditions and procedures
Conditions I treat
- Abdominal Bloating
- Abdominal Distention
- Abdominal Pain
- Abnormal Amylase Blood Test
- Abnormal Bowel Movement
- Abnormal Liver Function Blood Test
- Abnormal Stool
- Achalasia
- Acute Blood Loss Anemia
- Acute Pancreatitis
- Alcoholic Liver Disease
- Allergic Esophagitis
- Allergic Gastroenteritis
- Altered Bowel Habits
- Anal Cancer
- Anal Fissure
- Anal Fistula
- Anal Itching
- Anal Pain
- Anal Spasm
- Anemia
- Angiodysplasia Of Intestine (WITHOUT MENTION OF HEMORRHAGE)
- Annular Pancreas
- Anorexia
- Appendiceal Cancer
- Atrophic Gastritis Without Mention Of Hemorrhage
- Autoimmune Enteropathy
- Autoimmune Hepatitis
- Barrett's Esophagus
- Benign Neoplasm Of Colon
- Biliary Cirrhosis
- Biliary Tract Disease
- Bleeding Hemorrhoids
- Blood In Stool
- Bowel Dysmotility
- Bright Red Blood Per Rectum
- Celiac Disease
- Cholangitis
- Cholecystitis
- Cholelithiasis
- Cholestasis
- Chronic Abdominal Pain
- Chronic Diarrhea
- Chronic Pancreatitis
- Cirrhosis
- Clostridium Difficile
- Colitis
- Collagenous Colitis
- Colon Stricture
- Colonic Cryptitis
- Colonic Inertia
- Colonic Polyps
- Colorectal Malignancy
- Constipation
- Crohn's Disease
- Diarrhea
- Digestive Disorders
- Diverticular Disease
- Diverticulitis
- Drug Induced Liver Injury
- Duodenal Ulcer
- Duodenitis
- Dysmotility
- Dyspepsia
- Dysphagia
- Early Satiety
- Elevated Alkaline Phosphatase Level
- Elevated Lipase
- Eosinophilic Colitis
- Eosinophilic Enteritis
- Eosinophilic Esophagitis
- Eosinophilic Gastritis
- Epigastric Pain
- Eructation
- Esophageal Cancer
- Esophageal Disease
- Esophageal Diverticulum
- Esophageal Mass
- Esophageal Motility Disorders
- Esophageal Spasm
- Esophageal Stricture
- Esophageal Thickening
- Esophageal Ulcer
- Esophageal Varices
- Esophagitis
- Family History Of Colon Cancer
- Family History Of Colon Polyps
- Fatty Liver
- Fecal Impaction
- Fecal Incontinence
- Flatulence
- Focal Nodular Hyperplasia
- Foreign Body (DIGESTIVE SYSTEM)
- Gallbladder Cancer
- Gallbladder Disease
- Gallbladder Polyp
- Gastric Ulcer
- Gastritis
- Gastroenteritis
- Gastroesophageal Reflux Disease
- Gastrointestinal (GI) Cancer
- Gastrointestinal (GI) Stromal Tumors
- Gastrointestinal Amyloid
- Gastrointestinal Bleeding
- Gastrojejunal Ulcer
- Gastroparesis
- Giardiasis
- Gluten Sensitivity
- Helicobacter Pylori
- Hematemesis
- Hemochromatosis
- Hemorrhage Of Gastrointestinal Tract, Unspecified
- Hemorrhoids
- Hepatitis
- Hepatitis B
- Hepatitis C
- Hepatomegaly
- Hiatal Hernia
- Hiccough
- Ileitis
- Inflammatory Bowel Disease
- Intestinal Obstruction
- Intractable Vomiting
- Iron Deficiency Anemia
- Irritable Bowel Syndrome
- Ischemic Bowel
- Ischemic Colitis
- Jaundice
- Lactose Intolerance
- Left Upper Quadrant Pain
- Liver Disease
- Liver Mass
- Lymphocytic Colitis
- Lynch Syndrome
- Malabsorption
- Malignant Neoplasm Of Stomach
- Malnutrition
- Melena
- Microscopic Colitis
- Motility Disorders
- Nausea
- Non Alcoholic Fatty Liver Disease
- Non Alcoholic Steatohepatitis
- Obstipation
- Obstructive Jaundice
- Odynophagia
- Ogilvie Syndrome
- Pancreas Divisum
- Pancreatic Cyst
- Pancreatic Insufficiency
- Pancreatic Pseudocyst
- Pancreaticobiliary Disease
- Pancreatitis
- Peptic Ulcer
- Peritonitis
- Pernicious Anemia
- Persistent Vomiting
- Personal History Of Colonic Polyps
- Peutz Jeghers Syndrome
- Polyposis Syndrome
- Polyps
- Portal Hypertension
- Portal Hypertensive Gastropathy
- Positive Hemoccult Fecal Occult Blood Test
- Postprandial Diarrhea
- Pouchitis
- Primary Biliary Cholangitis
- Primary Biliary Cirrhosis
- Proctitis
- Rectal Bleeding
- Rectal Cancer
- Rectal Hemorrhage
- Rectal Pain
- Rectal Polyp
- Regional Enteritis Of Large Intestine
- Right Lower Quadrant Pain
- Right Upper Quadrant Pain
- Secondary Biliary Cirrhosis
- Short Bowel Syndrome
- Small Bowel Disease
- Small Intestine Cancer
- Small Intestine Disease
- Steatorrhea
- Stomach Cancer
- Stomach Cramps
- Stomach Disorders
- Stomach Pain
- Swallowing Problem
- Tenesmus
- Toxic Liver Injury
- Ulceration Of Intestine
- Ulcerative Colitis
- Ulcerative Proctitis
- Vomiting
- Weight Loss
- Whipple's Disease
- Wilson's Disease
Procedures I perform
- Anorectal Manometry
- Biologic Therapy For Gastrointestinal Diseases
- Bravo PH Test
- Breath Testing
- Colon Polypectomy
- Colonoscopy
- Colorectal Screening
- Early Detection Of Cancer
- Endoscopic Mucosal Resection Of Esophagus
- Endoscopic Mucosal Resection Of Large Colon Polyps
- Endoscopy
- Esophagogastroduodenoscopy (EGD)
- Esophagogastroduodenoscopy (EGD) With Botox Injection
- Esophagogastroduodenoscopy (EGD) With Dilation
- Fecal Transplant
- Feeding Tube Management
- Feeding Tube Removal
- Gastrointestinal (GI) Cancer Screening
- Gastroscopy
- Gj Tube Evaluation
- High Resolution Manometry
- Ileoscopy
- Low Residue Diet
- Peg (PERCUTANEOUS ENDOSCOPIC GASTROSTOMY)
- Peg Tube Evaluation
- Proctosigmoidoscopy
- Radiofrequency Ablation For Barrett's Esophagus
- Sigmoidoscopy
- Single Balloon Enteroscopy
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
- UnitedHealthcare Medicare Adv/Special Needs Plans
- UnitedHealthcare and AARP Medicare Complete Plans/ UHC Group Medicare Advantage Plans HMO, POS, PPO
- United Healthcare Options (PPO) (includes Empire PPO, GEHA, Compass Rose)"
- UHC Community Plan of MD
- Private Health Care Systems (PHCS) (PPO)
- Medicare Fee for Service
- Kaiser Virginia Premier
- Kaiser PermanenteSelect-Added Choice
- Kaiser Permanente Signature-Added Choice
- Kaiser Permanente Signature
- Kaiser Permanente Select
- Kaiser Permanente Medicare Plus (Medicare Supplemental Plan)
- Kaiser Permanente Flexible Choice POS
- Kaiser MD Medicaid MCO
- Cigna HealthSpring Medicare Advantage
- CFBCBS Federal Employee Program (Std/Basic PPO/Blue Focus)
- CFBCBS EPO
- Blue Choice Advantage & Healthy Blue (HMO, POS)"
- Aetna Better Health of Maryland
- Select HMO/HealthFund/Health Network
- Tricare Prime
- Coventry Health Care National Network PPO
- MedStar Select (MedStar Associates' Plan)
- Cigna EPO
- Aetna Open Choice (PPO)
- CFBCBS Blue Choice Opt Out Plus Open Access (POS)
- CIGNA HMO Open Access (OA)
- HealthyBlue PPO
- Aetna Worker's Compensation Network
- CFBCBS BlueChoice HMO
- United Healthcare Choice Plus
- Aetna Innovations: HMO & EPO Plus
- Aetna Medicare Advantage HMO & PPO Plans
- Innovation Health: POS
- CIGNA Indemnity
- Choice Fund PPO
- CFBCBS Maryland Point of Service Plan (MPOS)
- CFBCBS (NCA) Indemnity
- Aetna Quality Point of Service (POS)
- Innovation Health: Open POS Plus
- United Healthcare Choice
- BlueChoice Open Access
- Innovation Health: Open Network Only Plus
- Great-West Healthcare POS/CIGNA
- Aetna Student Health Insurance
- Aetna HMO
- Innovation Health: PPO
- Innovation Health: Indemnity
- United Healthcare Select HMO - EPO/NPP
- PPO and PPO Plus
- POS OA & OA Plus
- Optimum Choice Preferred (POS) & OCI Direct (HMO)
- CIGNA POS/Network POS
- United Student Resources
- Network OA
- M.D. IPA (HMO)
- United Healthcare Select Plus (POS)
- Coventry Health Care of Virginia
- FIRST HEALTH
- Open HMO
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- Mamsi Life & Health (Indem./PPO)
- CFBCBS Maryland Indemnity or PPO
- CIGNA HMO & Network (HMO)
- Tricare for Life (Medicare Supplemental Plan)
- M.D. IPA Preferred (POS)
- Aetna Elect Choice/ Open Access (POS)
- Aetna Managed Choice Open Access (POS)
- Coventry of Delaware HMO/PPO
- Open EPO Plus
- Aetna Elect Choice/ EPO (Aetna Health Fund) Innovation Health: Network Only Plus
- MedStar Family Choice - Maryland Health Choice
- Open POS II
- First Health PPO
- Aetna Managed Choice (POS)
- Innovation Health: POS Plus
- Choice POS & Choice POS II
- CFBCBS Blue Choice Opt Out Open Access
- Aetna Traditional Choice (PPO)
- CFBSBC Blue Preferred PPO
- Opoen HMO Option
Videos
Education
Board Certification: American Osteopathic Board of Internal Medicine, Internal Medicine
Fellowship Program: University of Medicine and Dentistry of NJ (2007)
Residency Program: University of Medicine and Dentistry of NJ (2004)
Medical School: University of Health Sciences College of Osteopathic Medicine (2001)