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

Mary L Keirsey, CRNP

Individual provider Adult Health Nurse Practitioner · NPI 1518132687

Mary L Keirsey, CRNP is a Nurse Practitioner in West Chester, Pennsylvania. Qualified in 2007, 19 years ago. Practices with Clinical Care Associates of the University of Pennsylvania Health, a 593-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
19
Licensed in
PA
In the registry since
2008
What do these letters mean?
CRNP — Certified Registered Nurse Practitioner
The title Pennsylvania and some other states use for a nurse practitioner.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

701 E Marshall St
West Chester, PA 19380-4412
Phone: (610) 431-5000
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence SP009800 (PA)

Record details

NPI number1518132687
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNP
Sole proprietorNo
NPI enumeratedApril 29, 2008
Last updated in NPPESJuly 21, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Clinical Care Associates Of The University Of Pennsylvania Health. — 593 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in West Chester