CASSIE JILLIAN FIRESTONE
NPI 1104616853
Physician Assistant in Frederick, MD
About Cassie Jillian Firestone NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CASSIE JILLIAN FIRESTONE (NPI 1104616853) is an individual physician assistant in Frederick, Maryland, licensed in Maryland (C0010547) and active in the NPI registry since May 2025.
NPPES Registry Identity
Specialties & Licenses
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FREDERICK, MD 21701
FREDERICK, MD 21701
FREDERICK, MD 21701
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Cassie Firestone's NPI number?
The NPI number for Cassie Firestone is 1104616853. It was assigned to this individual provider in the NPPES registry on May 7, 2025.
Where is Cassie Firestone located?
Cassie Firestone practices at 400 W 7th St, Frederick, MD 21701. The listed phone number is (240) 566-3300.
What is Cassie Firestone's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
When was this NPI record last updated?
The NPPES record for Cassie Firestone was last updated on June 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 52 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.