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

Individual provider Mental Health Counselor · NPI 1104477900

Nancy Jean Marcussen, LMHC, CASAC is a Mental Health Counselor in Buffalo, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2019
What do these letters mean?
LMHC — Licensed Mental Health Counselor
A licensed mental health counsellor; the title used in Florida, New York and Washington among others.

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Practice location Address checks out

135 Delaware Ave Ste 210
Buffalo, NY 14202-2410
Phone: (716) 481-6923
Fax: (716) 886-0249
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 009671 (NY)

Record details

NPI number1104477900
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMHC , CASAC
Sole proprietorYes
NPI enumeratedSeptember 23, 2019
Last updated in NPPESSeptember 23, 2019

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