Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Flasar, Gastroenterologist in Annapolis, MD?
Dr. Mark Flasar, MD is a Gastroenterologist, who primarily practices in Annapolis, MD with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Flasar is fluent in English, and is currently seeing new patients. Dr. Flasar’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Flasar’s office.
Is Dr. Flasar board certified in Gastroenterologist?
Yes, Dr. Mark Flasar, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Flasar speak?
Dr. Flasar and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Flasar treat?
As a Gastroenterologist, Dr. Flasar diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Flasar. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Crohn's Disease
- Crohn's Disease of the Large Intestine
- Crohn's Disease Affecting Small and Large Intestines
- Crohn's Disease of the Small Intestine
- Crohn’s Disease
- Regional Enteritis
- Inflammatory Bowel Disease (IBD)
- Terminal Ileitis
- Large Bowel Crohn's
- Crohn's Colitis', 'Colonic Crohn's Disease
- Panenteric Crohn's Disease
- Crohn's of Both Bowels', 'Generalized Crohn's Disease
- Ileitis
ICD-10 Codes:
- K5090: Crohn's disease, unspecified, without complications
- K5010: Crohn's disease of large intestine without complications
- K5080: Crohn's disease of both small and large intestine without complications
- K5000: Crohn's disease of small intestine without complications
Also known as:
- Colon Polyps
- Other Digestive Symptoms
- Colonic Polyps
- Digestive Disease
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
- Unspecified Abdominal Symptoms
- Other Belly Problems
- Digestive System Issues
ICD-10 Codes:
- Z86010: Personal history of colon polyps
- R198: Other specified symptoms and signs involving the digestive system and abdomen
Also known as:
- Ulcerative Colitis
- Colitis
- Inflammatory Bowel Disease (IBD)
- Chronic Colitis
ICD-10 Codes:
- K5190: Ulcerative colitis, unspecified, without complications
Also known as:
- Rectal Bleeding
- Dark, Tarry Stools (Melena)
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
- Melena
- Black Stools
- Upper GI Bleed Signs
ICD-10 Codes:
- K625: Hemorrhage of anus and rectum
- K921: Melena
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Upper Middle Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
ICD-10 Codes:
- R1013: Epigastric pain
Also known as:
- Iron Deficiency Anemia
- Anemia
- Iron
- Anemia from Iron Lack
- Low Iron Anemia
- Sideropenic Anemia
ICD-10 Codes:
- D509: Iron deficiency anemia, unspecified
Also known as:
- Change in Bowel Habits
- Bowel Movement
- Altered Bowel Habits
- Irregular Bowel Movements
- Changes in Pooping
ICD-10 Codes:
- R194: Change in bowel habit
Also known as:
- Other Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Swallowing problems
ICD-10 Codes:
- R1319: Other dysphagia
Also known as:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
Also known as:
- History of Adenomatous and Serrated Colon Polyps
- Past Colon Polyps
- Previous Adenomas
- History of Precancerous Colon Growths
ICD-10 Codes:
- Z860101: Personal history of adenomatous and serrated colon polyps
Also known as:
- Barrett's Esophagus
- Esophagus Disorder
- Barrett’s Esophagus
- Barrett's condition
- Esophageal metaplasia
ICD-10 Codes:
- K2270: Barrett's esophagus without dysplasia
Also known as:
- Nausea and Vomiting
- Feeling Sick and Throwing Up
- Stomach Flu Symptoms
- Queasy and Vomiting
ICD-10 Codes:
- R112: Nausea with vomiting, unspecified
Which procedures does Dr. Flasar perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Mark Flasar may include:
- Colonoscopy
- Colonoscopy Consultation
- Colorectal Cancer Screening
- Endoscopic Ultrasound
- Endoscopy / Endoscopic Ultrasound
- Gastric Balloon
- Gastric Stimulator Implantation Consultation
- Gastric Stimulator Implantation Follow Up
For detailed information, please contact Dr. Flasar's office.
Does Dr. Flasar accept my insurance?
Dr. Flasar accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Flasar accept in Annapolis, MD?
Dr. Flasar in Annapolis, MD accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Carefirst BlueCross BlueShield
CVS Health (formerly Aetna)
Department of Defense / Tricare
Elevance Health Inc. (formerly Anthem)
Express Scripts
Humana
Medicare
Mutual of Omaha
UnitedHealthcare
View All Insurances
Where is Dr. Flasar's office located?
What is Dr. Flasar's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Flasar's National Provider Identifier (NPI) number is 1326079278.
What common questions do patients ask about Dr. Flasar?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Flasar
What is Dr. Mark Flasar's specialty?
Dr. Flasar is a Gastroenterologist near Annapolis, MD. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Flasar to book an appointment today.
Is this Dr. Mark Flasar affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Flasar is affiliated with Um Baltimore Washington Medical Center which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Gastroenterologist?
Explore Gastroenterologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Mark Flasar accepting new patients in Annapolis, MD?
Yes, Dr. Mark Flasar is accepting new patients at this time.
Does Dr. Mark Flasar offer online booking?
Please contact Dr. Flasar's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Mark Flasar?
Please contact Dr. Flasar's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Mark Flasar have?
Dr. Mark Flasar is certified by the American Board of Internal Medicine.
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