Marissa Willix
Physician Assistant • Rochester, NY
Professional Overview & Biography Verified Profile Summary
Marissa Willix is a registered healthcare professional specializing in Physician Assistant in Rochester, NY. Practice services are available at 601 ELMWOOD AVE under active NPI credentials.
Practice Location & Contact Primary Location
601 Elmwood Ave
Rochester, NY 146420002
Specialty Benchmarks & Practice Insights
Comparative analytics for Physician Assistant in Rochester, NY
Practicing in Rochester, NY (15701 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2026-06-04NUCC 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
Radiology - Diagnostic Radiology
Doctor of Medicine (M.D.)
Psychologist - Clinical
Doctor of Philosophy (Ph.D.)
Nurse Practitioner
Nurse Practitioner
Student in an Organized Health Care Education/Training Program
Student in an Organized Health Care Education/Training Program
Bachelor of Medicine, Bachelor of Surgery (M.B.B.S.)
Pediatrics
Doctor of Osteopathic Medicine (D.O.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
NPI status registered as active in NPPES database
Registered at 601 ELMWOOD AVE, ROCHESTER, NY 146420002 (Tel: 5852752100)
Registered at 601 ELMWOOD AVE, ROCHESTER, NY 146420002 (Tel: 5852752100)
Recorded as MARISSA WILLIX
Physician Assistant
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
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NPI Administrative Meta
Mailing Address
601 Elmwood Ave
Rochester, NY 146420002
Phone: 5852752100
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