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

Stephen Christopher Marshall

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1700590023

Stephen Christopher Marshall is a Nurse Practitioner in Brookhaven, New York. Qualified in 2022, 4 years ago. Practices as a sole proprietor. Licensed in New York.

Years since qualifying
4
Licensed in
NY
In the registry since
2023

Practice location Address checks out

9 Newey Ln
Brookhaven, NY 11719-9634
Phone: (631) 946-9800
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence F40445-01 (NY)

Record details

NPI number1700590023
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedJanuary 11, 2023
Last updated in NPPESJanuary 11, 2023
Certification dateJanuary 11, 2023
Mailing address9 Newey Ln, Brookhaven, NY 11719-9634

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare