Helene Mcmahon, MA, LMHC

NPI 1295488765 · on the registry since 2022 · sole proprietor

Practice

Address: 155 Chandler St Ste 6
Buffalo, NY 14207
Phone: (716) 884-1801
Organisation at this address: Black Rock Mental Counseling Wny, Pllc
Sommerville Wellness Mental Health Counseling, Pllc
Inferred from a shared address, not stated in the registry.
Clinicians at this address: 3

Registry record

Primary taxonomy: 101YM0800X
101YM0800X
Licence states on file: NY
From the registry's licence fields, which are often incomplete.
Sex: Female
Record last updated: 2026-02-04

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in New York