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

Mr. Mark John Harrigan, RN

Individual provider Psychiatric/Mental Health Registered Nurse · NPI 1871934398

Mr. Mark John Harrigan, RN is a Psychiatric/Mental Health Registered Nurse in Buffalo, New York. Licensed in New York. Registered with an NPI since 2013.

Licensed in
NY
In the registry since
2013
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

1384 Broadway
Buffalo, NY 14212
Phone: (716) 894-9672
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Registered Nurse (primary) Taxonomy 163WP0808X · Licence 463327-1 (NY)

Record details

NPI number1871934398
Entity typeIndividual (Type 1)
GenderMale
Credentials RN
Sole proprietorNo
NPI enumeratedJuly 12, 2013
Last updated in NPPESJuly 12, 2013

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