Give Us A Call: 
(646) 355-3711
Education

Midwestern University, 2013, Downers Grove, Illinois​

Hospital Affiliation
Beth Israel Medical Center - Petrie Division (New York, NY)
I take an integrative and holistic approach to gastrointestinal diseases and treat patients as a whole. I believe in incorporating lifestyle changes along with nutrition into my treatment plan.  I look forward to speaking with you soon.
Languages Spoken

Chinese (Cantonese, Mandarin)

Feel free to visit www.AAPA.org for more information regarding the Physician Assistant role.

What is a Physician Assistant?

Physician Assistant Training

Midwestern University, 2013, Downers Grove, Illinois

Awards
Use of Pharmacotherapy in Anorexia Nervosa Treatment
​Masters Presentation
​Awarded Honorable Mentions, June 2013

Research

Clinical Gastroenterology and Hepatology - The presence of HLA-DQ8 does not correlate with severity of celiac disease: Comparison of New York and Parisian cohorts

American Journal of Gastroenterology - Prevalence of Celiac Disease in Patient with Hepatitis C Virus in Manhattan

American Journal of Gastroenterology - Prospective pilot study to determine the use of real-time video capsule endoscopy in risk stratification of patients that present with upper gastrointestinal bleeding

Gastroenterology - Correlation Between Lipid Profile and Outcome of Hepatitis C Treatment

​Gastroenterology - The Effectiveness of Pegylated-Interferon and Ribavirin Combination Therapy for Chronic Hepatitis C in an Urban Clinic Setting Compared to Pivotal Clinical Trials

American Journal of Gastroenterology - Trends in Biopsy and Treatment Rates in Patients with Chronic Genotype 2 & 3 Hepatitis C Infection Over a Six-Year Period

Education
Columbia College of Physicians and Surgeons, New York, NY

Residency/Fellowship
Albert Einstein, Beth Israel Medical Center, Residency in Internal Medicine, and Fellowship in Gastroenterology

Hospital Affiliation

Beth Israel Medical Center - Petrie Division (New York, NY)


Residency Training

Albert Einstein College of Medicine of Yeshiva University

Beth Israel Medical Center, Residency in Family Medicine

Languages Spoken

Mandarin/Cantonese/Hakka

Spanish

Burmese


Education
Philadelphia College of Osteopathic Medicine, Philadelphia, Pennsylvania

St. Joseph's University Haub School of Business, Philadelphia, Pennsylvania

Timothy C Johnson, MD

Board Certified in Internal Medicine and Gastroenterology

Hello and thank you for taking the time to view our practice. I currently treat general gastrointestinal issues, including food allergies, irritable bowel conditions, acid reflux, and ulcer disease, as well as liver related diseases, inflammatory bowel disease, and perform colorectal cancer screenings. I accept same day and walk-in appointments. I also perform procedures on weekends to minimize time off from work for my patients.

​Lena Tung, RPA-C

​Board Certified Physician Assistant

I received my Bachelor of Science degree in English Language & Literature in 2011 at the University of Michigan in Ann Arbor, MI. In 2013, I earned a Masters of Medical Science in Physician Assistant Studies at Midwestern University in Downers Grove, Illinois.


My clinical experiences include a wide range of specialties such as family medicine, women's health, pediatrics, and emergency care. I am fluent in Chinese.

 

Our Providers

Yolanda Tun-Chiong, DO, MBA

Board Certified in Family Medicine

As a board certified family physician, I practice pediatrics, adolescent care, internal medicine and gynecology.  I offer same day appointments for the following services: vaccinations, annual physicals, gynecological exams, pap smears, STD screening, TB and lab testing, travel advice, osteopathic manipulation treatment, pre-employment and school forms, smoking cessation, and specialist referrals. I strive to provide high quality comprehensive holistic care to all my patients.