DC
33 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Chang, Gastroenterologist in Hamden, CT?
Dr. Dean Chang, MD is a Gastroenterologist, who primarily practices in Hamden, CT with 2 additional practice locations. He has been practicing for over 33 years and is board certified by the American Board of Internal Medicine. Dr. Chang graduated from University of Michigan Medical School and completed his residency at Yale New Haven Hosp, Gastroenterology; Yale New Haven Hosp, Internal Medicine. Dr. Chang is fluent in English and Chinese, and is currently seeing new patients. Dr. Chang’s practice accepts Medicaid, Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chang’s office at (203) 281-4463.
What are Areas of Expertise for Dr. Chang?
Dr. Dean Chang, 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. Chang empowers patients to confidently navigate their health journey, specializing in Celiac Disease, Diarrheal Diseases, Eosinophilic Esophagitis, Hepatitis, Inflammatory Bowel Disease, Liver Disease, Pancreatic Disease, Swallowing Disorders, or comprehensive wellness support. Serving the Hamden/CT community, Dr. Chang is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Chang go to medical school and complete their residency?
Residency: Yale New Haven Hosp, Gastroenterology; Yale New Haven Hosp, Internal Medicine | Bridgeport Hospital/Yale University Program
Medical School: University of Mi Med Sch, Ann Arbor Mi | University of Michigan Medical School
Is Dr. Chang board certified in Gastroenterologist?
Yes, Dr. Dean Chang, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Chang speak?
Dr. Chang and their clinical team can communicate with patients in the following languages:
Chinese
English
What conditions does Dr. Chang treat?
As a Gastroenterologist, Dr. Chang 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. Chang. 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
- Z860100: Personal history of colon polyps, unspecified
Also known as:
- Acid Reflux
- GERD with Esophagitis
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Eosinophilic Esophagitis
- Gastroesophageal Reflux
- Heartburn
- Indigestion
- Reflux Esophagitis
- Acid Reflux Esophagus Inflammation
- Heartburn with Esophagus Damage
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
- K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding
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:
- Large Intestine Diverticulosis
- Diverticulosis and Diverticulitis
- Diverticular Disease
- Colon Diverticula
- Pockets in the Colon
ICD-10 Codes:
- K5730: Diverticulosis of large intestine without perforation or abscess without bleeding
Also known as:
- Stomach and Duodenum Disorder
- Stomach Disorder
- Gastric Conditions
- Duodenal Conditions
- Digestive System Disorders
ICD-10 Codes:
- K3189: Other diseases of stomach and duodenum
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:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5909: Other constipation
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:
- 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:
- Family History of Digestive Organ Cancer
- Cancer
- Family History
- Genetic risk for gastrointestinal cancer
- Family history of GI cancer
- Hereditary digestive cancer
ICD-10 Codes:
- Z800: Family history of malignant neoplasm of digestive organs
Also known as:
- Other Specific Abnormal Blood Chemistry Results
- Blood
- Specified Blood Chemistry Imbalance
- Unusual Blood Chemistry Findings
- Specific Blood Panel Abnormalities
ICD-10 Codes:
- R7989: Other specified abnormal findings of blood chemistry
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:
- 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:
- Esophageal Ulcer
- Esophagus Disorder
- Ulcer in Esophagus
- Sore in Esophagus
- Esophageal Sore
ICD-10 Codes:
- K2210: Ulcer of esophagus without bleeding
Also known as:
- Chronic Stomach Inflammation
- Stomach Disorder
- Gastritis & Gastropathy
- Chronic gastritis
- Long-term stomach inflammation
- Persistent stomach lining inflammation
ICD-10 Codes:
- K2930: Chronic superficial gastritis without bleeding
Also known as:
- Crohn's Disease
- Crohn’s Disease
- Complicated Crohn's Disease', 'Inflammatory Bowel Disease (IBD) with Complications', 'Panenteric Crohn's with Complications
ICD-10 Codes:
- K50819: Crohn's disease of both small and large intestine with unspecified complications
Which procedures does Dr. Chang perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Dean Chang 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. Chang's office.
Does Dr. Chang accept my insurance?
Dr. Chang accepts most major insurance plans. Important: Please call our office at (203) 281-4463 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Chang accept in Hamden, CT?
Dr. Chang in Hamden, CT accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
CarePartners of Connecticut
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
EmblemHealth
Express Scripts
Medicare
OptumRx
State of Connecticut
UnitedHealthcare
View All Insurances
Where is Dr. Chang's office located?
Dr. Dean Chang's Primary Practice
2200 Whitney Ave Ste 360
Hamden, CT 06518
(203) 281-4463
What is Dr. Chang's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Chang's National Provider Identifier (NPI) number is 1770564247.
What common questions do patients ask about Dr. Chang?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Chang
What is Dr. Dean Chang's specialty?
Dr. Chang is a Gastroenterologist near Hamden, CT. 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. Chang to book an appointment today.
Is this Dr. Dean Chang affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Chang is affiliated with Midstate Medical Center, Hartford Hospital, Smilow Cancer Hospital At Yale New Haven which are a Castle Connolly Top Hospitals. 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 Dean Chang accepting new patients in Hamden, CT?
Yes, Dr. Dean Chang is accepting new patients at this time.
Does Dr. Dean Chang offer online booking?
Please contact Dr. Chang's office at (203) 281-4463 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Dean Chang?
Please contact Dr. Chang's office at (203) 281-4463 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Dean Chang have?
Dr. Dean Chang is certified by the American Board of Internal Medicine.
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