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Mark J Doerr, MD

Urology Physician in Orchard Park, NY · enumerated 2006.

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

National Provider Identifier

1477560738

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Registry record

Entity type Individual (Type 1)
Name Mark J Doerr
Credential MD
Sex Male
Practice address 500 Sterling Dr, Orchard Park, NY, 14127
Phone (716) 677-2273
Fax (716) 677-2256
Enumeration date Aug 1, 2006
Last updated in NPPES Aug 31, 2010

Taxonomy & licenses

208800000X Urology Physician Allopathic & Osteopathic Physicians · License 48602 (MN) 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
P00427425 Other MN RAILROAD MEDICARE
986918000 Medicaid MN -

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 Doerr?
The National Provider Identifier (NPI) for Mark Doerr is 1477560738, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Doerr practice?
The practice location on file with NPPES is in Orchard Park, 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 2010-08-31.