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

Mary F Drost, RN

Individual provider Psychiatric/Mental Health Clinical Nurse Specialist · NPI 1790303543

Mary F Drost, RN is a Psychiatric/Mental Health Clinical Nurse Specialist in Commack, New York. Licensed in New York. Registered with an NPI since 2020.

Licensed in
NY
In the registry since
2020
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

155 Indian Head Rd
Commack, NY 11725-2212
Phone: (516) 733-7040
Fax: (516) 733-7098
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 381392 (NY)

Record details

NPI number1790303543
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorNo
NPI enumeratedJuly 8, 2020
Last updated in NPPESJuly 8, 2020
Certification dateJuly 8, 2020