Services | Schwartz Mark MD Pottstown, PA 19464

General Practitioners

Rheumatology
Pottstown Medical Specialists, Inc. was formed in August, 1978, first known as Deviney, Guthrie & Popolow, LTD, from the merging of three separate practices of internal medicine. In May of 1980, the company name became Pottstown Medical Specialists, Inc. (PMSI). Over the years PMSI has added pulmonology, rheumatology, neurology, sleep medicine and pain management to its specialty roster.
Primary Care
PMSI also has 5 primary care offices located in Collegeville, Royersford, Stowe, Pottstown and Boyertown. Complimenting these physicians and specialties are ancillary services such as an infusion center, pain management treatments, stem cell therapy, EMG’s, diagnostic sleep center, imaging, and clinical research studies.
Family Practice
Immunizations
PMSI has registered as a COVID-19 vaccine distribution location. We are currently hoping for a shipment from the PA Department of Health in February. We encourage our patients to schedule their COVID-19 vaccination as soon as possible through any available distribution site. Please check this website often for updates.

Internists

Internal Medicine
Pottstown Medical Specialists, Inc. was formed in August of 1978, first known as Deviney, Guthrie & Popolow, LTD, from the merging of three separate practices of internal medicine. In May of 1980 the company name became Pottstown Medical Specialists, Inc. (PMSI). Over the years PMSI has added gastroenterology, cardiology, pulmonology, nephrology, rheumatology, oncology, neurology, sleep medicine and pain medicine to its specialty roster. Complimenting these physicians and specialties are ancillary services such as a nuclear cardiology camera, pillcam, digital echo machine, infusion therapy,Watchman and a diagnostic sleep center.
Gastroenterology
Nephrology
Lung Cancer
You know it is time to quit, and PMSI can help you quit for life! You will be able to climb those stairs without becoming short of breath! You are reducing your risk of developing lung cancer and many other diseases. Just think of all the money you can save without the cost of cigarettes. PMSI wants to be there for you during this difficult process!

Neurologists

Endocrinologist