MC
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Chang, Gastroenterologist in San Francisco, CA?
Dr. Matthew Chang, MD is a Gastroenterologist, who primarily practices in San Francisco, CA with 2 additional practice locations. Dr. Chang is fluent in English, and is currently seeing new patients. Dr. Chang’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chang’s office at (650) 736-5555.
What languages does Dr. Chang speak?
Dr. Chang and their clinical team can communicate with patients in the following languages:
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:
- Other Cancer Screening
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- General Cancer Screening
- Unspecified Cancer Check
- Screening for Rare Cancers
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1289: Encounter for screening for malignant neoplasm of other sites
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Cirrhosis
- Alcoholic Cirrhosis
- Alcohol Use Disorder (AUD)
- Liver scarring
- End-stage liver disease
- Chronic liver failure
- Alcohol-induced cirrhosis
- End-stage alcoholic liver disease
- Severe alcoholic liver scarring
ICD-10 Codes:
- K7460: Unspecified cirrhosis of liver
- K7030: Alcoholic cirrhosis of liver without ascites
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:
- Abdominal Pain
- Stomach Ache
- Belly Pain
- Stomach Pain
ICD-10 Codes:
- R109: Unspecified abdominal pain
Also known as:
- Abnormal Bowel Movements
- Bowel Movement
- Unusual stool
- Changes in poop
- Fecal changes
ICD-10 Codes:
- R195: Other fecal abnormalities
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
What procedures does Dr. Chang perform?
As a Gastroenterologist, Dr. Chang 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. 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:
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
CPT Codes:
- 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)
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
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:
- Diagnostic Upper Endoscopy with Biopsy
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Liver Elastography
- Elastography
- FibroScan
- Liver stiffness test
- Shear wave elastography
CPT Codes:
- 91200: Liver elastography, mechanically induced shear wave (eg, vibration), without imaging, with interpretation and report
Does Dr. Chang accept my insurance?
Dr. Chang accepts most major insurance plans. Important: Please call our office at (650) 736-5555 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Chang accept in San Francisco, CA?
Dr. Chang in San Francisco, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Crown Cork and Seal Company
Elevance Health Inc. (formerly Anthem)
Express Scripts
First Medical Health Plan
HealthComp
Medicare
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Chang's office located?
Dr. Matthew Chang's Primary Practice
2350 Geary Blvd
San Francisco, CA 94115
(650) 736-5555
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 1598949521.
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. Matthew Chang's specialty?
Dr. Chang is a Gastroenterologist near San Francisco, CA. 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. Matthew Chang affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Chang is affiliated with Kaiser Permanente Santa Clara 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 Matthew Chang accepting new patients in San Francisco, CA?
Yes, Dr. Matthew Chang is accepting new patients at this time.
Does Dr. Matthew Chang offer online booking?
Please contact Dr. Chang's office at (650) 736-5555 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Matthew Chang?
Please contact Dr. Chang's office at (650) 736-5555 for information regarding telehealth appointment availability or for scheduling assistance.
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