16 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Tieng, Gastroenterologist in Rancho Cucamonga, CA?
Where did Dr. Tieng go to medical school and complete their residency?
Fellowship: North Shore-Long Island Jewish Health System
Residency: Long Island Jewish Medical Center | North Shore-Long Island Jewish Health System | North Shore-Long Island Jewish Health System Program
Medical School: State University of New York Downstate College of Medicine | SUNY Downstate Medical Center College Of Medicine | State University of New York Downstate Medical Center College of Medicine
Is Dr. Tieng board certified as a Gastroenterologist?
Yes, Dr. Andrea Tieng, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Tieng speak?
Dr. Tieng and their clinical team can communicate with patients in the following languages:
- English
- Spanish
What conditions does a Gastroenterologist like Dr. Tieng typically treat?
As a Gastroenterologist, Dr. Tieng 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. Tieng. 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:
- 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:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
What procedures does a Gastroenterologist like Dr. Tieng typically perform?
As a Gastroenterologist, Dr. Tieng 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. Tieng. 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:
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
CPT Codes:
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 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:
- Colonoscopy with Injections
- Diagnostic Upper Endoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
CPT Codes:
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
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)
Does Dr. Tieng accept my insurance?
Dr. Tieng accepts most major insurance plans. Important: Please call our office at (909) 255-7200 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Tieng accept in Rancho Cucamonga, CA?
Dr. Tieng in Rancho Cucamonga, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
AlphaCare
Blue Shield of California
Centene Corporation
CVS Health (formerly Aetna)
Heritage Health
Inland Empire
Kaiser Permanente
Medicare
Other Health Care Provider
UnitedHealth Group
View All Insurances
Where is Dr. Tieng's office located?
Dr. Andrea Tieng's Primary Practice
10801 Foothill Blvd Ste 106
Rancho Cucamonga, CA 91730
(909) 255-7200
What hospitals are Dr. Tieng affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Tieng has admitting privileges at the following hospitals:
What is Dr. Tieng's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Tieng's National Provider Identifier (NPI) number is 1356528566.
What common questions do patients ask about Dr. Tieng?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Tieng