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

Daniel A. Castellani, MD PC

Organization Neurology Physician · NPI 1134269962

Daniel A. Castellani, MD PC is a Neurology Physician in Williamsville, New York. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

6245 Sheridan Dr Ste 216
Williamsville, NY 14221-4834
Phone: (716) 626-2647
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X

Record details

NPI number1134269962
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Daniel Castellani — President · (716) 626-2647
NPI enumeratedFebruary 8, 2007
Last updated in NPPESAugust 22, 2020
Mailing address6245 Sheridan Dr, Suite 216, Williamsville, NY 14221-4834

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