
25 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Ahn, Gastroenterologist in Framingham, MA?
Dr. Lynne Ahn, MD is a Gastroenterologist, who primarily practices in Framingham, MA with 1 additional practice location. She has been practicing for over 25 years. Dr. Ahn graduated from Mechanical Engineering. Dr. Ahn is fluent in English, and is currently seeing new patients. Dr. Ahn’s practice accepts Medicare, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ahn’s office at (508) 620-9200.
What are Areas of Expertise for Dr. Ahn?
Dr. Lynne Ahn, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Ahn empowers patients to confidently navigate their health journey, specializing in Hormone Therapy, Integrative Gastroenterology, Nutrition, and comprehensive wellness support. Serving the Framingham, MA community, Dr. Ahn is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Ahn go to medical school and complete their residency?
Medical School: Mechanical Engineering
What languages does Dr. Ahn speak?
Dr. Ahn and their clinical team can communicate with patients in the following languages:
English
What conditions does a Gastroenterologist like Dr. Ahn typically treat?
As a Gastroenterologist, Dr. Ahn 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. Ahn. 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. Learn more about our claims-based healthcare methodology.
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:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
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:
- 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:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
What procedures does a Gastroenterologist like Dr. Ahn typically perform?
As a Gastroenterologist, Dr. Ahn 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. Ahn. 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. Learn more about our claims-based healthcare methodology.
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
Does Dr. Ahn accept my insurance?
Dr. Ahn accepts most major insurance plans. Important: Please call our office at (508) 620-9200 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Ahn accept in Framingham, MA?
Dr. Ahn in Framingham, 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
Blue Cross Blue Shield of Michigan
Cigna Group
Corporate Services
CVS Health (formerly Aetna)
Medicare
Molina Healthcare
Network Health
Point32Health
UnitedHealth Group
View All Insurances
Where is Dr. Ahn's office located?
Dr. Lynne Ahn's Primary Practice
475 Franklin St Ste 110
Framingham, MA 01702
(508) 620-9200
What is Dr. Ahn's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Ahn's National Provider Identifier (NPI) number is 1144269143.
What common questions do patients ask about Dr. Ahn?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ahn
What is Dr. Lynne Ahn's specialty?
Dr. Ahn is a Gastroenterologist near Framingham, MA.
What does a Gastroenterologist do?
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.
Is this Dr. Lynne Ahn affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Ahn 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
When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Gastroenterologist. Explore 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 Lynne Ahn accepting new patients in Framingham, MA?
Yes, Dr. Lynne Ahn is accepting new patients at this time.
Does Dr. Lynne Ahn offer online booking?
Please contact Dr. Ahn's office at (508) 620-9200 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Lynne Ahn?
Please contact Dr. Ahn's office at (508) 620-9200 for information regarding telehealth appointment availability or for scheduling assistance.
Other Gastroenterologist Near Framingham, MA
LK
Internist
Dr. Louis Kishfy, MD is an Internist, who primarily practices in Framingham, MA with 2 additional practice locations.
Framingham, MA
GD
Gastroenterologist
Dr. George Dickstein, MD is a Gastroenterologist, who primarily practices in Framingham, MA with 2 additional practice locations. He has been practicing for over 30 years.
Framingham, MA

Gastroenterologist
Dr. Andres Mogollon, MD is a Gastroenterologist, who primarily practices in Framingham, MA with 2 additional practice locations. He is board certified.
Framingham, MA