SF
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Flier, Gastroenterologist in Boston, MA?
Dr. Sarah Flier, MD is a Gastroenterologist, who primarily practices in Boston, MA with 2 additional practice locations. Dr. Flier graduated from Icahn School of Medicine at Mount Sinai and completed her residency at Icahn School of Medicine at Mount Sinai Program A. Dr. Flier is fluent in English, and is currently seeing new patients. Dr. Flier’s practice accepts Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Flier’s office.
What are Areas of Expertise for Dr. Flier?
Dr. Sarah Flier, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Flier empowers patients to confidently navigate their health journey, specializing in Inflammatory Bowel Disease, or comprehensive wellness support. Serving the Boston/MA community, Dr. Flier is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Flier go to medical school and complete their residency?
Residency: Icahn School of Medicine at Mount Sinai Program A
Medical School: Icahn School of Medicine at Mount Sinai
What languages does Dr. Flier speak?
Dr. Flier and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Flier treat?
As a Gastroenterologist, Dr. Flier 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. Flier. 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:
- Ulcerative Colitis
- Ulcerative Pancolitis
- Colitis
- Inflammatory Bowel Disease (IBD)
- Chronic Colitis
- Chronic Pancolitis
- Extensive Ulcerative Colitis
ICD-10 Codes:
- K5190: Ulcerative colitis, unspecified, without complications
- K5100: Ulcerative (chronic) pancolitis without complications
Also known as:
- Crohn's Disease of the Small Intestine
- Crohn's Disease Affecting Small and Large Intestines
- Crohn's Disease
- Crohn’s Disease
- Regional Enteritis
- Inflammatory Bowel Disease (IBD)
- Ileitis
- Panenteric Crohn's Disease
- Crohn's of Both Bowels', 'Generalized Crohn's Disease
ICD-10 Codes:
- K5000: Crohn's disease of small intestine without complications
- K5080: Crohn's disease of both small and large intestine without complications
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:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
What procedures does Dr. Flier perform?
As a Gastroenterologist, Dr. Flier performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Flier. 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:
- Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Flexible Sigmoidoscopy with Biopsy
- Diagnostic Upper Endoscopy with Biopsy
- Colorectal Cancer Screening Tests
- Sigmoid Colon Scope with Biopsy
- Lower Endoscopy with Tissue Sample
- Flexible Sigmoidoscopy and Biopsy
- Rectum and Lower Colon Exam
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
CPT Codes:
- 45331: Sigmoidoscopy, flexible; with biopsy, single or multiple
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Does Dr. Flier accept my insurance?
Dr. Flier 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. Flier accept in Boston, MA?
Dr. Flier in Boston, MA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Aetna
American Postal Workers Union APWU
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Medicare
Network Health
Other TPA
Point32Health
SGS North America Inc
State of Tennessee
View All Insurances
Where is Dr. Flier's office located?
What is Dr. Flier's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Flier's National Provider Identifier (NPI) number is 1902939119.
What common questions do patients ask about Dr. Flier?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Flier
What is Dr. Sarah Flier's specialty?
Dr. Flier is a Gastroenterologist near Boston, MA. 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. Flier to book an appointment today.
Is this Dr. Sarah Flier affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Flier is affiliated with Beth Israel Deaconess Medical Center-Boston 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 Sarah Flier accepting new patients in Boston, MA?
Yes, Dr. Sarah Flier is accepting new patients at this time.
Does Dr. Sarah Flier offer online booking?
Please contact Dr. Flier's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Sarah Flier?
Please contact Dr. Flier's office for information regarding telehealth appointment availability or for scheduling assistance.
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