Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mark Geoffrey Winfield, M.B., B.CH., B.A.O.

Student in an Organized Health Care Education/Training Program in Buffalo, NY · enumerated 2019.

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

National Provider Identifier

1699332726

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Registry record

Entity type Individual (Type 1)

Name Mark Geoffrey Winfield

Credential M.B., B.CH., B.A.O.

Sex Male

Practice address 77 Goodell Street, Buffalo, NY, 14203

Phone (716) 816-7258

Fax (716) 845-6699

Enumeration date May 23, 2019

Last updated in NPPES May 28, 2019

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Primary

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 Mark Winfield?

The National Provider Identifier (NPI) for Mark Winfield is 1699332726, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mark Winfield practice?

The practice location on file with NPPES is in Buffalo, 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 2019-05-28.