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

MS. Mary Margaret Cullen-Drill, RN, APN, C

Individual provider Psychiatric/Mental Health Clinical Nurse Specialist · NPI 1851358212

MS. Mary Margaret Cullen-Drill, RN, APN, C is a Psychiatric/Mental Health Clinical Nurse Specialist in Upper Montclair, New Jersey. Licensed in New Jersey. Registered with an NPI since 2006.

Licensed in
NJ
In the registry since
2006
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
APN — Advanced Practice Nurse
The umbrella title some states use for nurse practitioners and other advanced practice nurses.

See every abbreviation used in this directory →

Practice location Address checks out

51 Uppr Montclair Plz Ste 21
Upper Montclair, NJ 07043-1343
Phone: (973) 477-8628
Fax: (973) 744-7163
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 26NC07979500 (NJ)

Record details

NPI number1851358212
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , APN , C
Sole proprietorNo
NPI enumeratedApril 28, 2006
Last updated in NPPESJuly 13, 2026