Ann Mcmahon

Clinical Social Worker

GenderFemaleNPI1265097802Affiliated sites1

Affiliated Health Centers

Ann Mcmahon is affiliated with 1 federally qualified health center location.

Monomoy Regional High School

75 Oak Street, Harwich, MA 02645-2701

Mental Health & Behavioral Health Services

Counseling, therapy, and psychiatric care for depression, anxiety, trauma, and substance use — affordable and accessible.

Individual therapy

Group counseling

Substance use treatment

Psychiatric evaluation

Crisis intervention

Trauma-informed care

Medication management

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Clinician information is sourced from the NPPES National Provider Registry (February 2026) and reflects self-reported practice locations. Individual providers may have joined or left since the last registry update.

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Clinical Social Worker

Providing clinical social worker services at federally qualified health centers with sliding fee scale options.

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Ann Mcmahon

Affiliated Health Centers

Mental Health & Behavioral Health Services

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