Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mr. Alexander F Grierson, MS, LMHC, CASAC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1326246877

Mr. Alexander F Grierson, MS, LMHC, CASAC is an Addiction (Substance Use Disorder) Counselor in Buffalo, New York. Licensed in New York. Registered with an NPI since 2007.

Licensed in
NY
In the registry since
2007
Specialties on file
2
What do these letters mean?
MS — Master of Science
A graduate science degree.
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

80 Goodrich St Kaleida Health
Buffalo, NY 14203-1005
Phone: (716) 859-1576
Fax: (716) 859-2434
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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 001499 (NY)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 8119 (NY)

Record details

NPI number1326246877
Entity typeIndividual (Type 1)
GenderMale
Credentials MS , LMHC , CASAC
Sole proprietorNo
NPI enumeratedJuly 6, 2007
Last updated in NPPESSeptember 11, 2025

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