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

William E. Clack MD

Organization Specialist · NPI 1427217090

William E. Clack MD is a Specialist in Elmira, New York. Licensed in New York. Registered with an NPI since 2008.

Licensed in
NY
In the registry since
2008

Practice location Address checks out

447 E Water St
Elmira, NY 14901-3410
Phone: (607) 733-3631
Fax: (607) 733-5432
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 118121 (NY)

Record details

NPI number1427217090
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Clack — Owner · (607) 733-3631
NPI enumeratedJune 8, 2008
Last updated in NPPESJune 8, 2008
Mailing address447 E Water St, Elmira, NY 14901-3410

Other providers in Elmira