Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John A. Balacki, MD

Individual provider Gastroenterology Physician · NPI 1578562179

Dr. John A. Balacki, MD is a Gastroenterology Physician in Olean, New York. Licensed in New York. Registered with an NPI since 2005.

Licensed in
NY
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

535 Main St
Olean, NY 14760-1513
Phone: (716) 372-0141
Fax: (716) 373-6632
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 138113 (NY)

Record details

NPI number1578562179
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 18, 2005
Last updated in NPPESJuly 13, 2026
Mailing address535 Main St, Olean, NY 14760-1513

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