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

Catherine McElwain, MSN, FNP-BC

Individual provider Family Nurse Practitioner · NPI 1215994157

Catherine McElwain, MSN, FNP-BC is a Family Nurse Practitioner in Philadelphia, Pennsylvania. Works from 4 locations. Licensed in Colorado.

Licensed in
CO
In the registry since
2006
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.

See every abbreviation used in this directory →

Practice location Address checks out

3401 Market St
Philadelphia, PA 19104-3318
Phone: (215) 220-4700
Show map & directions

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

Additional practice locations (3)

  • 1900 Wardenburg Dr, Boulder, CO 80309-6074 — (303) 492-5101
  • 2111 Champa St, Denver, CO 80205-2529 — (303) 312-2217
  • 7403 Church Ranch Blvd, Westminster, CO 80021-6074 — (303) 372-3444

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 3264 (CO)

Record details

NPI number1215994157
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , FNP-BC
Sole proprietorNo
NPI enumeratedApril 26, 2006
Last updated in NPPESJuly 6, 2021
Certification dateJuly 6, 2021

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