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

Katherine A Horner, CRNP

Individual provider Registered Nurse · NPI 1144205071

Katherine A Horner, CRNP is a Registered Nurse in Frederick, Maryland. Licensed in Maryland. Registered with an NPI since 2005.

Licensed in
MD
In the registry since
2005
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

61 Thomas Johnson Dr
Frederick, MD 21702-4301
Phone: (301) 663-6171
Fax: (301) 695-4469
Show map & directions

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

Specialties & licences

Registered Nurse (primary) Taxonomy 163W00000X · Licence R106852 (MD)

Record details

NPI number1144205071
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNP
Sole proprietorNo
NPI enumeratedDecember 14, 2005
Last updated in NPPESOctober 17, 2011

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