Cassie Jillian Firestone
Physician Assistant • Frederick, MD
Professional Overview & Biography Verified Profile Summary
Cassie Firestone is a registered healthcare professional specializing in Physician Assistant in Frederick, MD. Practice services are available at 400 W 7TH ST under active NPI credentials.
Practice Location & Contact Primary Location
400 W 7th St
Frederick, MD 217014506
Specialty Benchmarks & Practice Insights
Comparative analytics for Physician Assistant in Frederick, MD
Practicing in Frederick, MD (3255 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2026-06-24NUCC Taxonomy Code: 363A00000X
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Registered Nurse - Obstetric, Inpatient
Women's Health Nurse Practitioner
Nurse Practitioner - Family
Nurse Practitioner
Anesthesiology
Doctor of Medicine (M.D.)
Physician Assistant
Physician Assistant
Speech-Language Pathologist
SPEECHPATHOLOGIST
Occupational Therapist
Occupational Therapist
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 400 W 7TH ST, FREDERICK, MD 217014506 (Tel: 2405663300)
Registered at 461 PELETON ST, HAGERSTOWN, MD 217402299 (Tel: 4432535045)
Physician Assistant (License #C0010547 in MD)
NPI status registered as active in NPPES database
Registered at DEPARTMENT OF PHYSICIAN ASSISTANT MEDICINE, 32 W. WASHINGTON ST #403, HAGERSTOWN, MD 21740 (Tel: 2405272752)
Registered at DEPARTMENT OF PHYSICIAN ASSISTANT MEDICINE, 32 W. WASHINGTON ST #403, HAGERSTOWN, MD 21740 (Tel: 2405272752)
Recorded as CASSIE FIRESTONE
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
461 Peleton St
Hagerstown, MD 217402299
Phone: 4432535045
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