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 rated as an Advanced provider by MediFind in the treatment of Chronic Erosive Gastritis. Her top areas of expertise are Diverticular Disease, Familial Adenomatous Polyposis, Gastritis, Gastrectomy, and Endoscopy.
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.
Chia Lai is a Gastroenterologist in Monterey Park, California. Dr. Lai is rated as a Distinguished provider by MediFind in the treatment of Chronic Erosive Gastritis. His top areas of expertise are Chronic Erosive Gastritis, Gastrointestinal Bleeding, Anemia, Colonoscopy, and Gastrostomy.
Long Dang is a Gastroenterologist in Westminster, California. Dr. Dang is rated as a Distinguished provider by MediFind in the treatment of Chronic Erosive Gastritis. His top areas of expertise are Chronic Erosive Gastritis, Gastritis, Gastrointestinal Bleeding, Gastrectomy, and Gastrostomy.
Frederick Boghossian is a Gastroenterologist in Glendale, California. Dr. Boghossian is rated as a Distinguished provider by MediFind in the treatment of Chronic Erosive Gastritis. His top areas of expertise are Gastric Dysmotility, Gastrointestinal Bleeding, Diverticular Disease, Gastrectomy, and Gastrostomy.
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.