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

Simon Maurice Sebastian Selwyn, CNP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1821576935

Simon Maurice Sebastian Selwyn, CNP is a Psychiatric/Mental Health Nurse Practitioner in Waltham, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2018
Specialties on file
2
What do these letters mean?
CNP — Certified Nurse Practitioner
A certified nurse practitioner.

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Practice location Address checks out

465 Waverly Oaks Rd
Waltham, MA 02452-8438
Phone: (617) 596-1975
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 2284419 (MA)
Registered Nurse Taxonomy 163W00000X · Licence RN2284419 (MA)

Record details

NPI number1821576935
Entity typeIndividual (Type 1)
GenderMale
Credentials CNP
Sole proprietorYes
NPI enumeratedJuly 31, 2018
Last updated in NPPESMarch 25, 2024
Certification dateMarch 25, 2024

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