Masako Longwell

Psychiatric/Mental Health NP

GenderFemaleNPI1245012673Affiliated sites1

Affiliated Health Centers

Masako Longwell is affiliated with 1 federally qualified health center location.

Neighborhood Health at the Gartlan Mental Health Center

8119 Holland Rd, Alexandria, VA 22306-3199

Medicare★ 4.4 Google (522)

View clinic →

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

Browse all Mental Health & Behavioral Health clinics →

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.

Verify on NPI Registry

Confirm current license and practice information on the official CMS NPI registry.

View NPI Record

Psychiatric/Mental Health NP

Providing psychiatric/mental health np services at federally qualified health centers with sliding fee scale options.

View services →

Affiliated Health Center

Neighborhood Health at the Gartlan Mental Health Center

View quality scores & reviews →

Browse

All clinicians →Psychiatric/Mental Health NP clinicians →Browse health centers →

Masako Longwell

Affiliated Health Centers

Mental Health & Behavioral Health Services

Related Clinicians

Other Clinicians at These Health Centers

Other Psychiatric/Mental Health NP Clinicians

Verify on NPI Registry

Psychiatric/Mental Health NP

Affiliated Health Center

Browse