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A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Stanley Pietrak:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (4)

The overall average patient rating of Dr. Stanley Pietrak is Average. Dr. Pietrak has been reviewed by 14 patients who have provided 4 comments. The rating is 2.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.1
Promptness 2.6
Courteous Staff 3.0
Accurate Diagnosis 2.6
Bedside Manner 2.6
Spends Time with Me 2.6
Follows Up After Visit 2.2

Specialties & Research

Dr. Stanley Pietrak, MD is board certified in Internal Medicine.

  • He has special expertise in 6 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Gastrointestinal Hemorrhage
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Pietrak graduated from Albany Medical College.


Dr. Pietrak has 20 hospital affiliations:

  • Catholic Health System - Mercy Hospital of Buffalo 
  • Catholic Health System/Sisters of Charity Hospital 


  • Polish
  • Italian
  • Spanish

> > > > Dr. Stanley Pietrak, MD

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Additional Information
Dr. Stanley James Pietrak MD is a male Internist, has 32 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Stanley J. Pietrak practice?
Dr. Stanley Pietrak has 3 office locations.
Dr. Stanley Pietrak practices Internal Medicine and Gastroenterology near Buffalo, NY.
Additional practice locations include: Williamsville, NY.
See Buffalo Internists and Buffalo Gastroenterologists.