AC
33 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Chang, Gastroenterologist in Grass Valley, CA?
Dr. Andrew Chang, MD is a Gastroenterologist, who primarily practices in Grass Valley, CA with 2 additional practice locations. He has been practicing for over 33 years. Dr. Chang graduated from Loma Linda University School of Medicine and completed his residency at Loma Linda Univ Med Ctr, Gastroenterology; Loma Linda Univ Med Ctr, Internal Medicine. Dr. Chang is fluent in English and Urdu, and is currently seeing new patients. Dr. Chang’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chang’s office at (530) 273-3377.
Where did Dr. Chang go to medical school and complete their residency?
Residency: Loma Linda Univ Med Ctr, Gastroenterology; Loma Linda Univ Med Ctr, Internal Medicine | Loma Linda University Med Center | Loma Linda University Medical Center Program
Medical School: Loma Linda University School of Medicine
What languages does Dr. Chang speak?
Dr. Chang and their clinical team can communicate with patients in the following languages:
English
Urdu
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:
- 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:
- 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:
- Dark, Tarry Stools (Melena)
- Gastrointestinal Bleeding
- Melena
- Black Stools
- Upper GI Bleed Signs
ICD-10 Codes:
- K921: Melena
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:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- Diaphragmatic Hernia
- Hernia
- Hiatal Hernia
- Hernia of the Diaphragm
ICD-10 Codes:
- K449: Diaphragmatic hernia without obstruction or gangrene
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 with Bleeding Control
- 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
- Endoscopic Hemostasis
- Colonoscopy for Bleeding
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
- 45382: Colonoscopy, flexible; with control of bleeding, any method
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:
- EGD with Esophageal Balloon Dilation
- Diagnostic Upper Endoscopy with Biopsy
- Upper Endoscopy with Tube Placement
- Upper Endoscopy with Varices Banding
- Colonoscopy with Injections
- Flexible Sigmoidoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- EGD with Catheter Insertion
- Esophagogastroduodenoscopy with Tube
- Flexible Endoscopy for Tube Placement
- EGD with Band Ligation
- Esophageal Varices Banding
- Gastric Varices Treatment
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
- Sigmoid Colon Scope with Biopsy
- Lower Endoscopy with Tissue Sample
- Flexible Sigmoidoscopy and Biopsy
- Rectum and Lower Colon Exam
CPT Codes:
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 43241: Esophagogastroduodenoscopy, flexible, transoral; with insertion of intraluminal tube or catheter
- 43244: Esophagogastroduodenoscopy, flexible, transoral; with band ligation of esophageal/gastric varices
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
- 45331: Sigmoidoscopy, flexible; with biopsy, single or multiple
Also known as:
- Gastrostomy Tube Replacement
- G-tube Change
- Percutaneous Gastrostomy Tube Exchange
- Stomach Feeding Tube Replacement
CPT Codes:
- 43762: Replacement of gastrostomy tube, percutaneous, includes removal, when performed, without imaging or endoscopic guidance; not requiring revision of gastrostomy tract
Also known as:
- Flexible Sigmoidoscopy
- Colorectal Cancer Screening Tests
- Sigmoidoscopy
- Lower colon exam
- Flexible colon scope
- Rectum and lower colon check
CPT Codes:
- 45330: Sigmoidoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Feeding Tube Placement with Endoscopy
- PEG Tube Placement
- Gastrostomy Tube Insertion
- EGD with Feeding Tube
- Percutaneous Endoscopic Gastrostomy
CPT Codes:
- 43246: Esophagogastroduodenoscopy, flexible, transoral; with directed placement of percutaneous gastrostomy tube
Also known as:
- Feeding Tube Conversion (Stomach to Small Intestine)
- Gastrostomy to Jejunostomy Tube Conversion
- Jejunostomy Tube Placement
- Small Bowel Endoscopy with Tube Change
CPT Codes:
- 44373: Small intestinal endoscopy, enteroscopy beyond second portion of duodenum, not including ileum; with conversion of percutaneous gastrostomy tube to percutaneous jejunostomy tube
Also known as:
- Stopping Bleeding in Esophagus, Stomach, or Duodenum
- EGD with Bleeding Control
- Upper GI Endoscopy for Bleeding
- Gastric Bleeding Treatment
CPT Codes:
- 43255: Esophagogastroduodenoscopy, flexible, transoral; with control of bleeding, any method
Also known as:
- Capsule Endoscopy
- Pill Camera
- Wireless Capsule Endoscopy
- Small Bowel Capsule Endoscopy
- Intestinal Imaging Pill
CPT Codes:
- 91110: Gastrointestinal tract imaging, intraluminal (eg, capsule endoscopy), esophagus through ileum, with interpretation and report
Also known as:
- Wireless Esophageal pH Test
- Esophageal pH Test
- Bravo pH Test
- Esophageal Reflux Monitoring
- Acid Reflux Test
CPT Codes:
- 91035: Esophagus, gastroesophageal reflux test; with mucosal attached telemetry pH electrode placement, recording, analysis and interpretation
Also known as:
- Esophageal Balloon Distension Study
- Esophageal distension test
- Balloon provocation test
- Esophageal pain study
CPT Codes:
- 91040: Esophageal balloon distension study, diagnostic, with provocation when performed
Does Dr. Chang accept my insurance?
Dr. Chang accepts most major insurance plans. Important: Please call our office at (530) 273-3377 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Chang accept in Grass Valley, CA?
Dr. Chang in Grass Valley, 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
Blue Shield of California
CalOptima
Crown Cork and Seal Company
Elevance Health Inc. (formerly Anthem)
Inland Empire
Medicare
State of Tennessee
The Medical Access Program
UnitedHealthcare
View All Insurances
Where is Dr. Chang's office located?
Dr. Andrew Chang's Primary Practice
300 Sierra College Dr Ste 105
Grass Valley, CA 95945
(530) 273-3377
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 1396702874.
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. Andrew Chang's specialty?
Dr. Chang is a Gastroenterologist near Grass Valley, 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. Andrew Chang affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Chang is affiliated with Loma Linda University Medical Center, Loma Linda University Medical Center, Riverside Community Hospital, Mercy San Juan Medical Center, St. Bernardine Medical Center, Arrowhead Regional Medical Center 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 Andrew Chang accepting new patients in Grass Valley, CA?
Yes, Dr. Andrew Chang is accepting new patients at this time.
Does Dr. Andrew Chang offer online booking?
Please contact Dr. Chang's office at (530) 273-3377 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Andrew Chang?
Please contact Dr. Chang's office at (530) 273-3377 for information regarding telehealth appointment availability or for scheduling assistance.
Other Gastroenterologist Near Grass Valley, CA
Gastroenterologist
Accepting patientsDr. Benjamin Brichler, MD is a Gastroenterologist, who primarily practices in Grass Valley, CA with 2 additional practice locations. He has been practicing for over 14 years and is board certified.
Grass Valley, CA
KH
Gastroenterologist
Accepting patientsDr. Kevin Hill, DO is a Gastroenterologist, who primarily practices in Grass Valley, CA with 2 additional practice locations. He is board certified.
Grass Valley, CA
JH
Hematology / Oncology Specialist
Accepting patientsDr. Jamie Hung, DO is a Hematology / Oncology Specialist, who primarily practices in Grass Valley, CA with 2 additional practice locations.
Grass Valley, CA