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

Courtney Knowles, FNP-C

Individual provider Dermatology Physician · NPI 1326912585

Courtney Knowles, FNP-C is a Dermatology Physician in Hagerstown, Maryland. Works from 2 locations. Licensed in Maryland.

Licensed in
MD
In the registry since
2025
What do these letters mean?
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

See every abbreviation used in this directory →

Practice location Address checks out

1101 Opal Ct Ste 315A
Hagerstown, MD 21740-5947
Phone: (240) 469-4835
Show map & directions

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

Additional practice locations (1)

  • 512 N Market St, Frederick, MD 21701-5243 — (240) 439-4305

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence R231486 (MD)

Record details

NPI number1326912585
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-C
Sole proprietorNo
NPI enumeratedOctober 1, 2025
Last updated in NPPESOctober 1, 2025
Certification dateOctober 1, 2025

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