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

MS. Margaret Keane Miller, NP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1477113561

MS. Margaret Keane Miller, NP is a Psychiatric/Mental Health Nurse Practitioner in Greenwich, Connecticut. Licensed in Connecticut and New York. Registered with an NPI since 2019.

Licensed in
CT, NY
In the registry since
2019
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

151 Greenwich Ave Apt 306
Greenwich, CT 06830-6570
Phone: (888) 334-2500
Fax: (475) 303-3055
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 12318 (CT)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence 402667 (NY)

Record details

NPI number1477113561
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedJune 19, 2019
Last updated in NPPESApril 25, 2025
Certification dateApril 25, 2025

Other providers in Greenwich