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Tomasz B Woloszyn, MD

Internal Medicine Physician in Olean, NY · enumerated 2011.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1811284714

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Registry record

Entity type Individual (Type 1)
Name Tomasz B Woloszyn
Credential MD
Sex Male
Practice address 2223 W State St, Ste 110, Olean, NY, 14760
Phone (716) 450-0944
Enumeration date Jun 30, 2011
Last updated in NPPES Jun 25, 2018

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 267534 (NY) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
03374256 Medicaid NY -
J400168959 Other NY MEDICARE PTAN

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Tomasz Woloszyn?
The National Provider Identifier (NPI) for Tomasz Woloszyn is 1811284714, a Type 1 (individual) record in the CMS NPPES registry.
Where does Tomasz Woloszyn practice?
The practice location on file with NPPES is in Olean, NY. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-06-25.