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

Mrs. Ellen M Williams, APRN

Individual provider Psychiatric/Mental Health Clinical Nurse Specialist · NPI 1831222629

Mrs. Ellen M Williams, APRN is a Psychiatric/Mental Health Clinical Nurse Specialist in Rocky Hill, Connecticut. Licensed in Connecticut. Registered with an NPI since 2007.

Licensed in
CT
In the registry since
2007
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.

See every abbreviation used in this directory →

Practice location Address checks out

287 W St
Rocky Hill, CT 06067-3501
Phone: (860) 616-3778
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Clinical Nurse Specialist (primary) Taxonomy 364SP0808X · Licence 001301 (CT)

Record details

NPI number1831222629
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN
Sole proprietorNo
NPI enumeratedMarch 13, 2007
Last updated in NPPESAugust 11, 2010