What's New

March 02, 2021

Get to Know HNL Lab Medicine

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February 28, 2021

Dr. Ronald Walsh’s Spotlight Interview with Laboratory Economics

Read Dr. Walsh’s full interview and his response to HNL’s current position with COVID-19 testing ... Read Interview

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February 17, 2021

HNL Lab Medicine Core Values

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February 08, 2021

Now Accepting – AmeriHealth Caritas Pennsylvania

HNL Lab Medicine is now available to ALL AmeriHealth Caritas Pennsylvania patients for all your lab service needs.

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February 01, 2021

Healthcare Professionals

Now Available - Request a Courier Pickup Online

Healthcare Professionals for your convenience request a courier pickup online.

This new form will allow you to easily and quickly send a request online for an HNL Lab Medicine courier to pick up your specimens.

Request a Pickup Now

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Peter Williams, MD

Medical and Forensic Pathologist
Dr. Peter Williams received his medical degree from Universidad Autonoma de Guadalajara School of Medicine in Guadalajara, Mexico. Dr. Williams completed his anatomic and clinical pathology residency and fellowship at St. Louis University School of Medicine in St. Louis, MO. He is certified by the Education Commission for Foreign Medical Graduates (ECFMG) and is a member of College of American Pathologists (CAP), American Society for Clinical Pathology (ASCP), Wagih Bari Society of St. Louis Pathologists.