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

Mrs. Melissa A Callahan, CRNP

Individual provider Gerontology Nurse Practitioner · NPI 1669411393

Mrs. Melissa A Callahan, CRNP is a Gerontology Nurse Practitioner in Exton, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
In the registry since
2006
Specialties on file
2
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 →

Practice location Address checks out

320 Exton Cmns
Exton, PA 19341-2450
Phone: (866) 268-6609
Fax: (866) 610-4542
Show map & directions

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

Specialties & licences

Gerontology Nurse Practitioner (primary) Taxonomy 363LG0600X · Licence TP006181H (PA)
Adult Health Nurse Practitioner Taxonomy 363LA2200X · Licence TP006182C (PA)

Record details

NPI number1669411393
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNP
Sole proprietorNo
NPI enumeratedJune 6, 2006
Last updated in NPPESFebruary 26, 2024
Certification dateFebruary 26, 2024

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