
Overview
Dr. Andrea Tieng was born and raised in New York City. She graduated Summa Cum Laude from the City University of New York and completed her medical degree at the State University of New York Health Science Center at the SUNY Downstate College of Medicine in Brooklyn, New York.Her internship and residency in Internal Medicine was completed at the Albert Einstein College of Medicine at Long Island Jewish Medical Center in New Hyde Park, New York, where she also fulfilled her Gastroenterology and Hepatology Fellowship.Board Certified by the American Board of Internal Medicine, Dr. Tieng is licensed to practice in both California and New York. She is a member of the American College of Gastroenterology and the American Gastroenterology Association.Prior to founding her own practice in Redlands and San Bernardino, Dr. Tieng worked as a private gastroenterologist at Cedars-Sinai Medical Center in Los Angeles.Dr. Tieng specializes in providing sensitive and compassionate care to women, and delivers personalized care to all patients 18 years and older. Dr. Tieng is a board certified physician who treats patients with gastrointestinal illnesses and liver diseases. She utilizes innovative technology to perform diagnostic and therapeutic procedures of the gastrointestinal tract, including colonoscopy and upper endoscopy.
Dr. Tieng is highly rated in 4 conditions, according to our data. Her clinical expertise encompasses Diverticular Disease, Familial Adenomatous Polyposis, Gastritis, Gastrectomy, and Endoscopy.
Dr. Tieng is board certified in Internal Medicine.
Graduate Institution
Specialties
Licenses
Board Certifications
Fellowships
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- MEDICARE MAPD
- MEDICARE SNP
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
Accepted plan types not found. Please verify directly with the provider.
- HMO
- INDEMNITY
- POS
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER MEDICARE
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
10801 Foothill Blvd, Ste 106, Rancho Cucamonga, CA 91730
Additional Areas of Focus
Dr. Tieng has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
Los Angeles-Gi Liver Clinic
Norah Terrault is a Gastroenterologist practicing medicine in Los Angeles, California. Dr. Terrault is highly rated in 23 conditions, according to our data. Her clinical expertise encompasses Hepatitis, Hepatitis C, Hepatitis B, Liver Transplant, and Hepato-Pancreato-Biliary Surgery.
Los Angeles-Gi Liver Clinic
James Buxbaum is a Gastroenterologist practicing medicine in Los Angeles, California. Dr. Buxbaum is highly rated in 42 conditions, according to our data. His clinical expertise encompasses Acute Pancreatitis, Hereditary Pancreatitis, Bile Duct Obstruction, Endoscopy, and Lithotripsy.
Tarek Hassanein is a Gastroenterologist practicing medicine in Mission Viejo, California. Dr. Hassanein is highly rated in 52 conditions, according to our data. His clinical expertise encompasses Hepatitis, Hepatitis C, Non-Alcoholic Fatty Liver Disease, Endoscopy, and Liver Transplant. Dr. Hassanein is board certified in American Board Of Internal Medicine. Dr. Hassanein is currently accepting new patients.
Frequently Asked Questions about Dr. Andrea S. Tieng
How do I make an appointment with Dr. Andrea S. Tieng?
You can book an appointment with Dr. Andrea S. Tieng by calling their office at 909-255-7200. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Andrea S. Tieng a top-rated expert for Diverticular Disease?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Andrea S. Tieng is classified as an Advanced expert for Diverticular Disease, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Andrea S. Tieng specialize in?
While Dr. Andrea S. Tieng is a Gastroenterology, they have specific expertise in Diverticular Disease, Familial Adenomatous Polyposis, and Gastritis. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Gastroenterology.
Does Dr. Andrea S. Tieng accept my insurance?
Dr. Andrea S. Tieng accepts most major insurance plans, including Aetna and Alignment Health Plan. We recommend calling the office directly at 909-255-7200 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- Chronic Erosive GastritisDr. Tieng isAdvanced. Learn about Chronic Erosive Gastritis.
- Diverticular DiseaseDr. Tieng isAdvanced. Learn about Diverticular Disease.
- Familial Adenomatous PolyposisDr. Tieng isAdvanced. Learn about Familial Adenomatous Polyposis.
- GastritisDr. Tieng isAdvanced. Learn about Gastritis.
- Experienced
- Alcoholic CirrhosisDr. Tieng isExperienced. Learn about Alcoholic Cirrhosis.
- AnemiaDr. Tieng isExperienced. Learn about Anemia.
- Barrett EsophagusDr. Tieng isExperienced. Learn about Barrett Esophagus.
- Campylobacter InfectionDr. Tieng isExperienced. Learn about Campylobacter Infection.
- Childhood VolvulusDr. Tieng isExperienced. Learn about Childhood Volvulus.
- CirrhosisDr. Tieng isExperienced. Learn about Cirrhosis.
- ColitisDr. Tieng isExperienced. Learn about Colitis.
- Colonic MalakoplakiaDr. Tieng isExperienced. Learn about Colonic Malakoplakia.
- Colorectal CancerDr. Tieng isExperienced. Learn about Colorectal Cancer.
- Congenital Diaphragmatic HerniaDr. Tieng isExperienced. Learn about Congenital Diaphragmatic Hernia.
- DiarrheaDr. Tieng isExperienced. Learn about Diarrhea.
- EndoscopyDr. Tieng isExperienced. Learn about Endoscopy.
- Enlarged LiverDr. Tieng isExperienced. Learn about Enlarged Liver.
- Esophageal VaricesDr. Tieng isExperienced. Learn about Esophageal Varices.
- EsophagitisDr. Tieng isExperienced. Learn about Esophagitis.
- Familial Colorectal CancerDr. Tieng isExperienced. Learn about Familial Colorectal Cancer.
- Gardner SyndromeDr. Tieng isExperienced. Learn about Gardner Syndrome.
- Gas Bloat SyndromeDr. Tieng isExperienced. Learn about Gas Bloat Syndrome.
- GastrectomyDr. Tieng isExperienced. Learn about Gastrectomy.
- Gastric DysmotilityDr. Tieng isExperienced. Learn about Gastric Dysmotility.
- Gastroesophageal Reflux Disease (GERD)
- Gastrointestinal BleedingDr. Tieng isExperienced. Learn about Gastrointestinal Bleeding.
- GastrostomyDr. Tieng isExperienced. Learn about Gastrostomy.
- Helicobacter Pylori InfectionDr. Tieng isExperienced. Learn about Helicobacter Pylori Infection.
- Hemorrhagic ProctocolitisDr. Tieng isExperienced. Learn about Hemorrhagic Proctocolitis.
- HemorrhoidsDr. Tieng isExperienced. Learn about Hemorrhoids.
- HepatitisDr. Tieng isExperienced. Learn about Hepatitis.
- Hepatitis CDr. Tieng isExperienced. Learn about Hepatitis C.
- Hiatal HerniaDr. Tieng isExperienced. Learn about Hiatal Hernia.
- IndigestionDr. Tieng isExperienced. Learn about Indigestion.
- Irritable Bowel Syndrome (IBS)Dr. Tieng isExperienced. Learn about Irritable Bowel Syndrome (IBS).
- JaundiceDr. Tieng isExperienced. Learn about Jaundice.
- Menetrier DiseaseDr. Tieng isExperienced. Learn about Menetrier Disease.
- Painful SwallowingDr. Tieng isExperienced. Learn about Painful Swallowing.
- Portal HypertensionDr. Tieng isExperienced. Learn about Portal Hypertension.
- ProctitisDr. Tieng isExperienced. Learn about Proctitis.
- Swallowing DifficultyDr. Tieng isExperienced. Learn about Swallowing Difficulty.
- Trichohepatoenteric SyndromeDr. Tieng isExperienced. Learn about Trichohepatoenteric Syndrome.
- Turcot SyndromeDr. Tieng isExperienced. Learn about Turcot Syndrome.
- Ulcerative ColitisDr. Tieng isExperienced. Learn about Ulcerative Colitis.
- Viral GastroenteritisDr. Tieng isExperienced. Learn about Viral Gastroenteritis.
- VisceromegalyDr. Tieng isExperienced. Learn about Visceromegaly.