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

MS. Maryellen Therese Kiernan, RN

Individual provider Adult Psychiatric/Mental Health Registered Nurse · NPI 1013234509

MS. Maryellen Therese Kiernan, RN is an Adult Psychiatric/Mental Health Registered Nurse in Hicksville, New York. Licensed in New York. Registered with an NPI since 2010.

Licensed in
NY
In the registry since
2010
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

459 S Broadway
Hicksville, NY 11801-5023
Phone: (516) 938-7568
Fax: (516) 938-7097
Show map & directions

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

Specialties & licences

Adult Psychiatric/Mental Health Registered Nurse (primary) Taxonomy 163WP0809X · Licence 188169 (NY)

Record details

NPI number1013234509
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorNo
NPI enumeratedApril 23, 2010
Last updated in NPPESApril 23, 2010