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

Matthew Aaron Williamson, PA

Individual provider Emergency Clinical Nurse Specialist · NPI 1831173111

Matthew Aaron Williamson, PA is a Physician Assistant in Turlock, California. Qualified in 2005, 21 years ago. Practices with Sierra Emergency Medical Group Inc, a 23-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
21
Licensed in
CA
In the registry since
2005
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

See every abbreviation used in this directory →

Practice location Address checks out

825 Delbon Ave
Turlock, CA 95382-2016
Phone: (209) 342-2300
Fax: (209) 524-4240
Show map & directions

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

Specialties & licences

Emergency Clinical Nurse Specialist (primary) Taxonomy 364SE0003X · Licence PA18033 (CA)

Record details

NPI number1831173111
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedDecember 1, 2005
Last updated in NPPESOctober 9, 2007
Mailing address4301 Northstar Way, Modesto, CA 95356-9262

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Sierra Emergency Medical Group Inc — 23 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

Other providers in Turlock