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
- Bowel Obstruction
- Colon Biopsy
- Colonoscopy
- Diverticulitis
- Enteroscopy
- Enteroscopy With Bleeding Control
- Gallstones
- Gastroesophageal Reflux Disease (GERD) In Children
- Inflammatory Bowel Disease (IBD) With Infection
- Intestinal Dysmotility
- Irritable Bowel Syndrome
- Lower Gi Endoscopy
- Sigmoidoscopy With Biopsy
- Stomach Biopsy
- Stomach Ulcers
- Upper Gi Endoscopy
Conditions and procedures
Conditions I treat
- Abdominal Pain
- Achalasia
- Acute Cholecystitis
- Acute Pancreatitis
- Alimentary Tract Foreign Body
- Anal Abscess
- Anal Fissures
- Anus And Rectum Diseases
- Aphagia And Dysphagia
- Appendiceal Cancer
- Autoimmune Hepatitis
- Bacterial Food Poisoning
- Barrett's Esophagus
- Benign Neoplasm Of Colon, Rectum, Anus And Anal Canal
- Benign Neoplasm Of Digestive System
- Bile Duct Stones
- Biliary Tract Disease
- Blood In Stool
- Bowel Obstruction
- Celiac Disease
- Choledocholithiasis
- Chronic Constipation
- Chronic Diarrhea
- Colitis
- Colon Cancer
- Colon Disease
- Colon Polyp
- Colon Polyps
- Colonic Diverticulosis
- Colorectal Malignancy
- Constipation
- Crohn's Disease
- Crohn's Disease [Regional Enteritis]
- Diabetic Gastroparesis
- Diaphragmatic Hernia
- Digestive System Complications
- Digestive System Diseases
- Digestive System Symptoms
- Diseases Of Esophagus
- Diseases Of Stomach And Duodenum
- Diseases Of The Small Intestine
- Diverticulitis
- Duodenal Ulcer
- Duodenitis
- Dysphagia
- Esophageal Cancer
- Esophageal Hernia
- Esophageal Stricture
- Esophagitis
- Flatulence
- Functional Dyspepsia
- Functional Intestinal Disorders
- Gallbladder Cancer
- Gallstones
- Gastric Cancer
- Gastric Varices
- Gastritis
- Gastroenteritis
- Gastroesophageal Reflux Disease
- Gastroesophageal Reflux Disease (GERD) In Children
- Gastrointestinal Bleeding
- Gastrointestinal Stromal Tumor (GIST)
- H. Pylori Infection
- Hemangioma
- Hemorrhoids
- Hepatitis A
- Hepatitis B
- Hepatitis C
- Hepatomegaly
- Hepatomegaly And Splenomegaly
- Infectious Gastroenteritis
- Inflammatory Bowel Disease
- Inflammatory Bowel Disease (IBD) With Infection
- Intestinal Dysmotility
- Intestinal Infections
- Intestinal Stenosis
- Irritable Bowel Syndrome
- Jaundice
- Lactose Intolerance
- Liver Cirrhosis
- Liver Failure
- Liver Fibrosis
- Malabsorption
- Malignant Neuroendocrine Tumors
- Noninfective Gastroenteritis
- Pancreatic Diseases
- Pancreatic Pseudocyst
- Pancreatitis
- Paralytic Ileus And Intestinal Obstruction
- Perianal Itching
- Perianal Pain
- Peripheral Vascular Disease Of The Intestines
- Polycystic Liver Disease
- Polyps Of Colon
- Portal Hypertension
- Postprandial Diarrhea
- Proctitis
- Proctosigmoiditis
- Pyloric Stenosis
- Rectal Cancer
- Rectal Pain
- Small Intestine Cancer
- Small Intestine Diseases
- Stomach Cancer
- Stomach Ulcers
- Ulcerative Colitis
- Viral Hepatitis
- Vomiting And Nausea
- Vomiting Blood
- Weight Loss
Procedures I perform
- Capsule Endoscopy
- Colon Biopsy
- Colonoscopy
- Colonoscopy With Injection
- Duodenal Biopsy
- Endoscopic Mucosal Resection
- Endoscopic Retrograde Cholangiopancreatography (ERCP)
- Enteroscopy
- Enteroscopy With Bleeding Control
- Esophageal Dilation
- Esophageal PH Monitoring
- Flexible Colonoscopy With Biopsy
- Gastric Manometry
- Gastrointestinal Biopsy
- Gastrointestinal Motility Study
- Helicobacter Pylori Stool Test
- Hydrogen Breath Test
- Inflammatory Bowel Disease
- Intra-Abdominal Abscess Drainage
- Liver Biopsy
- Lower Gi Endoscopy
- Retrograde Cholangiopancreatography
- Sigmoidoscopy With Biopsy
- Stomach Biopsy
- Upper Gi Endoscopy
- Urea Breath Test
- Variceal Band Ligation
Practice locations
Distance from Change Location Enter your Location
12012 Veirs Mills Rd
Silver Spring, MD, 20906
18111 Prince Philip Dr
Ste 124
Olney, MD, 20832
18109 Prince Philip Dr
B-100
Olney, MD, 20832
Insurance
This list represents the major payors accepted by MedStar Health. NOTE: Payor contracts change and not all plans associated with a payor may be covered. Payors may offer multiple plans. If you have a question related to your insurance, please contact your insurance plan directly. Contact information is located on your health insurance ID card. *Denotes limited participation. Specific providers and practices may NOT be participating. Please contact your insurance plan directly.
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List of insurance plans we accept
- Aetna
- CareFirst BlueCross BlueShield of Maryland
- Cigna Health Care
- Kaiser Permanente*
- MedStar Select (Administered by CareFirst)
- United HealthCare
- Aetna
- CareFirst BlueCross BlueShield of Maryland
- Healthspring
- Humana
- Medicare & Railroad Medicare
- United HealthCare
- Aetna Better Health of Maryland *
- Medical Assistance/Medicaid
- MedStar Family Choice MD
- Priority Partners *
- United HealthCare Community Health Plan MD
- Wellpoint MD
- AmeriHealth Caritas
- Health Services For Children With Special Needs (HSCSN)
- Medical Assistance/Medicaid
- MedStar Family Choice DC
- Johns Hopkins Employer Health Programs *
- Johns Hopkins US Family Health Plan *
- MultiPlan
- Private Healthcare Systems
- Tricare/Humana Military
- VA Community Care Network (VACCN)
Videos
Education
Board Certification: American Osteopathic Association, Gastroenterology
Fellowship: Rowan University School of Osteopathic Medical (2007)
Residency: Rowan University School of Osteopathic Medical (2004)
Internship: Rowan University School of Osteopathic Medical (2002)
Medical School: University of Health Sciences & Pharmacy in St. Louis (2001)