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

Marlene C Longdon, NP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1912919291

Marlene C Longdon, NP is a Psychiatric/Mental Health Nurse Practitioner in Williamsville, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

6245 Sheridan Dr
Williamsville, NY 14221-4834
Phone: (716) 630-1205
Fax: (716) 250-5954
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence F401008-1 (NY)

Record details

NPI number1912919291
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedAugust 13, 2006
Last updated in NPPESMarch 17, 2008

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