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

Pierre E Dionne, MD

Individual provider Family Medicine Physician · NPI 1497754428

Pierre E Dionne, MD is a Family Medicine Physician in Olean, New York. Licensed in New York. Registered with an NPI since 2005.

Licensed in
NY
In the registry since
2005
Specialties on file
2
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) 376-2203
Fax: (716) 373-6632
Show map & directions

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

Specialties & licences

Undersea and Hyperbaric Medicine (Preventive Medicine) Physician (primary) Taxonomy 2083P0011X · Licence 174130 (NY)
Family Medicine Physician Taxonomy 207Q00000X · Licence 174130 (NY)

Record details

NPI number1497754428
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 20, 2005
Last updated in NPPESOctober 4, 2011
Mailing address535 Main St, Olean, NY 14760-1513

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