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

Cassie Jillian Firestone

Individual provider Physician Assistant · NPI 1104616853

Cassie Jillian Firestone is a Physician Assistant in Frederick, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2025

Practice location Address checks out

400 W 7th St
Frederick, MD 21701-4506
Phone: (240) 566-3300
Show map & directions

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

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence C0010547 (MD)

Record details

NPI number1104616853
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedMay 7, 2025
Last updated in NPPESJune 24, 2026
Certification dateJune 24, 2026
Mailing address461 Peleton St, Hagerstown, MD 21740-2299

Other providers in Frederick