Staff

All professionals at maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in the medical field. Read on to learn more about our staff's experience and training.

  • Ahmed M. Hasan,
    M.D, M.P.H, F.A.C.G, F.A.C.P, A.G.A.F

    Dr. Ahmed M. Hasan M.D, M.P.H, F.A.C.G, F.A.C.P, A.G.A.F received his medical degree from Sindh Medical College in Karachi, Pakistan in 1982. He also received his Masters degree in Public Health (M.P.H) from New York Medical College. He did his medical internship at Columbia-Presbyterian Hospital in New York. He completed his medical residency and Gastroenterology Fellowship from New York Medical College/Westchester County Medical Center.

    BOARD CERTIFICATION

    • Board certified in Gastroenterology.
    • Board certified in Internal Medicine.

    HOSPITAL AFFILIATIONS

    Lehigh Valley Health Network

    MEMBERSHIPS/FELLOWSHIPS

    • Fellow American College of Gastroenterology (F.A.C.G)
    • Fellow American College of Physicians. (F.A.C.P)\
    • Fellow American Gastroenterology Association.( A.G.A.F)

    PROFESSIONAL INTERESTS

    Primary Investigator in multiple clinical research studies on Celiac disease,GERD,IBS, CONSTIPATION. National speaker and lecturer on Gastroenterology topics including GERD,CELIAC disease,Peptic ulcer disease, Ulcerative Colitis, Hepatitis, colon cancer.

    Special interest in treating Celiac Disease,Esophageal Diseases, Inflammatory Bowel Disease, Inflammatory Bowel Syndrome, Abdominal and Pelvic Pain, Crohn's Disease and Ulcerative Colitis, Colon Cancer Screening. Wireless Capsule Endoscopy.

Our Locations

Find us on the map

Hours of Operation

Our Regular Schedule

Lehigh Gastroenterology Associates

Monday - Thursday:

8:30 am - 4:30 pm

Friday:

8:30 am - 1:30 pm

Saturday, Sunday:

Closed

Northwestern Medical Center

Monday, Wednesday - Sunday:

Closed

Tuesday:

Every Other Month

12:00 pm - 4:30 pm

Allentown Medical Center

Monday - Thursday, Saturday, Sunday:

Closed

Friday:

First Friday of Every Other Month

10:00 am - 12:00 am

Palmerton Medical Center

Monday, Wednesday - Sunday:

Closed

Tuesday:

10:00 am - 12:00 pm

Testimonials

What Our Patients Say About Us

  • "Dr. Schwartz is awesome. He takes time to really get to the bottom of your issues and he really cares."
    Cheryl B.