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

MS. Mary C Courtney, MSN, NP

Individual provider Family Nurse Practitioner · NPI 1306011325

MS. Mary C Courtney, MSN, NP is a Family Nurse Practitioner in New York, New York. Licensed in New York. Registered with an NPI since 2008.

Licensed in
NY
In the registry since
2008
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
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

1 Gustave L Levy Pl Msh 1458 Mount Sinai Medical Ctr
New York, NY 10029
Phone: (212) 241-6500
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 335456 (NY)

Record details

NPI number1306011325
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , NP
Sole proprietorNo
NPI enumeratedApril 30, 2008
Last updated in NPPESApril 30, 2008

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