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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MARISSA WILLIX
NPI 1053244632
Physician Assistant in Rochester, NY

Active since June 04, 2026
601 ELMWOOD AVE, ROCHESTER, NY 14642(585) 275-2100 Get Directions Write a Review

NPPES record added: June 4, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Marissa Willix NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARISSA WILLIX (NPI 1053244632) is an individual physician assistant in Rochester, New York and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1053244632
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARISSA WILLIX
Location Address601 ELMWOOD AVERochester, NY 14642-0002
Mailing Address601 Elmwood AveRochester, NY 14642-0002 · (585) 275-2100
Phone(585) 275-2100
Sole ProprietorNo
Enumeration DateJune 4, 2026
NPPES CertifiedJune 4, 2026
✔ NPI 1053244632 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
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.
601 ELMWOOD AVE, Rochester, NY 14642
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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.

CARIE E BRADT RPA-C
Physician Assistant
601 ELMWOOD AVE
ROCHESTER, NY 14642
Monroe County (585) 275-6070
DR. RITA DADIZ DO
Pediatrics (Neonatal-Perinatal Medicine)
601 ELMWOOD AVE, BOX 635
ROCHESTER, NY 14642
Monroe County (585) 275-7787
DR. SCOTT ROSS SCHIFFMAN M.D.
Radiology (Diagnostic Radiology)
601 ELMWOOD AVE, BOX 648
ROCHESTER, NY 14642
Monroe County (585) 275-1128
SARAH ANNE ROSSI FNP
Nurse Practitioner (Family)
601 ELMWOOD AVE, BOX 652
ROCHESTER, NY 14642
Monroe County (585) 279-5100
JIMENA CUBILLOS MD
Urology (Pediatric Urology)
601 ELMWOOD AVE, BOX 656
ROCHESTER, NY 14642
Monroe County (585) 275-3342
MRS. ANNE SCHERBERGER KEEFER RN NP
Nurse Practitioner (Adult Health)
601 ELMWOOD AVE, BOX 704
ROCHESTER, NY 14642
Monroe County (585) 275-5307
SCOTT OVERHOLT DDS
Student in an Organized Health Care Education/Training Program
601 ELMWOOD AVE, BOX 705
ROCHESTER, NY 14642
Monroe County (585) 275-7978
MS. SARAH L AVERILL MD
Radiology (Diagnostic Radiology)
601 ELMWOOD AVE
ROCHESTER, NY 14642
Monroe County (585) 275-2100

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 Marissa Willix's NPI number?

The NPI number for Marissa Willix is 1053244632. It was assigned to this individual provider in the NPPES registry on June 4, 2026.

Where is Marissa Willix located?

Marissa Willix practices at 601 Elmwood Ave, Rochester, NY 14642. The listed phone number is (585) 275-2100.

What is Marissa Willix'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 Marissa Willix was last updated on June 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.