ME
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Epstein, Specialist in Acton, MA?
Dr. Mark Epstein, MD is a Specialist, who primarily practices in Acton, MA with 1 additional practice location. He is board certified. Dr. Epstein is fluent in English and Hebrew, and is currently seeing new patients. Dr. Epstein’s practice accepts Cigna, Medicaid, Medicare, UnitedHealthcare, Aetna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Epstein’s office at (978) 429-2010.
What are Areas of Expertise for Dr. Epstein?
Dr. Mark Epstein, MD is a highly-rated, board-certified Specialist 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. Epstein empowers patients to confidently navigate their health journey, specializing in Colon Cancer Screening, Endoscopy, or comprehensive wellness support. Serving the Acton/MA community, Dr. Epstein is dedicated to enhancing lives through expert, patient-centered care.
What languages does Dr. Epstein speak?
Dr. Epstein and their clinical team can communicate with patients in the following languages:
English
Hebrew
What conditions does Dr. Epstein treat?
As a Specialist, Dr. Epstein 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. Epstein. 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:
- Colon Polyps
- Non-Infectious Gastroenteritis and Colitis
- Colonic Polyps
- Digestive Disease
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
- Inflammation of Stomach and Intestines
- Non-Bacterial Colitis
- Gut Inflammation
ICD-10 Codes:
- Z86010: Personal history of colon polyps
- K529: Noninfective gastroenteritis and colitis, unspecified
Also known as:
- Fatty Liver Disease
- Liver Disease
- Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
- Nonalcoholic Fatty Liver Disease & NASH in Children
- NAFLD
- NASH
- Hepatic steatosis
ICD-10 Codes:
- K760: Fatty (change of) liver, not elsewhere classified
Also known as:
- Upper Middle Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
- Stomach Ache
- Belly Pain
- Stomach Pain
ICD-10 Codes:
- R1013: Epigastric pain
- R109: Unspecified abdominal pain
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:
- Rectal Bleeding
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
ICD-10 Codes:
- K625: Hemorrhage of anus and rectum
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:
- Iron Deficiency Anemia
- Anemia
- Iron
- Anemia from Iron Lack
- Low Iron Anemia
- Sideropenic Anemia
- Low Red Blood Cell Count
- Low Hemoglobin
- Iron deficiency
ICD-10 Codes:
- D509: Iron deficiency anemia, unspecified
- D649: Anemia, unspecified
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Also known as:
- Ulcerative Colitis
- Colitis
- Inflammatory Bowel Disease (IBD)
- Chronic Colitis
ICD-10 Codes:
- K5190: Ulcerative colitis, unspecified, without complications
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:
- Abnormal Liver Function Test
- Liver Disease
- Irregular Liver Function Study
- Unusual Liver Exam
- Liver Disease Diagnosis
ICD-10 Codes:
- R945: Abnormal results of liver function studies
Also known as:
- Intestinal Malabsorption
- Malabsorption Syndromes
- Nutrient Malabsorption
- Digestive Malabsorption
- Malabsorption Disorder
ICD-10 Codes:
- K9089: Other intestinal malabsorption
Also known as:
- Abdominal Bloating
- Gas
- Gas in the Digestive Tract
- Bloated Stomach
- Swollen Belly
- Gaseous Distension
ICD-10 Codes:
- R140: Abdominal distension (gaseous)
Also known as:
- Unexplained Weight Loss
- Involuntary Weight Loss
- Significant Weight Loss
- Unintentional Weight Loss
ICD-10 Codes:
- R634: Abnormal weight loss
Also known as:
- Stomach Inflammation
- Stomach Disorder
- Gastritis & Gastropathy
- Gastritis
- Inflamed stomach lining
- Stomach lining inflammation
ICD-10 Codes:
- K2970: Gastritis, unspecified, without bleeding
Does Dr. Epstein accept my insurance?
Dr. Epstein accepts most major insurance plans. Important: Please call our office at (978) 429-2010 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Epstein accept in Acton, MA?
Dr. Epstein in Acton, MA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
AllWays Health Partners (MA)
BCBS Unspecified
Blue Cross Blue Shield of Massachusetts
Department of Defense / Tricare
Federal Employee Program
Florida Blue / Guidewell
Medicare
Point32Health
UnitedHealthcare
View All Insurances
Where is Dr. Epstein's office located?
Recognitions
Castle Connolly Doctor’s Choice Awards
Doctor’s Choice - 2025
Among the most nominated for the Castle Connolly Top Doctor recognition in 2025
What is Dr. Epstein's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Epstein's National Provider Identifier (NPI) number is 1891760005.
What common questions do patients ask about Dr. Epstein?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Epstein
What is Dr. Mark Epstein's specialty?
Dr. Epstein is a Specialist near Acton, MA. Contact Dr. Epstein to book an appointment today.
Is this Dr. Mark Epstein affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Epstein is affiliated with Emerson Health 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 Specialist?
Explore Specialist 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 Epstein accepting new patients in Acton, MA?
Yes, Dr. Mark Epstein is accepting new patients at this time.
Does Dr. Mark Epstein offer online booking?
Please contact Dr. Epstein's office at (978) 429-2010 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Mark Epstein?
Please contact Dr. Epstein's office at (978) 429-2010 for information regarding telehealth appointment availability or for scheduling assistance.
Other Specialist Near Acton, MA
PH
Accepting patientsDr. Paul Harasimowic, MD is a Specialist, who primarily practices in Ayer, MA. He is board certified by the American Board of Orthopaedic Surgery.
Ayer, MA
JH
Specialist
Accepting patientsDr. Jonathan Held, MD is a Specialist, who primarily practices in Ayer, MA. He is board certified by the American Board of Dermatology.
Ayer, MA
DF
Internist
Accepting patientsDr. Damian Folch, MD is an Internist, who primarily practices in Chelmsford, MA. He is board certified.
Chelmsford, MA