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

MS. Alexandria I Arias, PA-C

Individual provider Physician Assistant · NPI 1902060361

MS. Alexandria I Arias, PA-C is a Physician Assistant in Colton, California. Qualified in 2008, 18 years ago. Practices with Scott C Lederhaus MD and Lew B Disney MD Prt Lederhaus Scott C Gen Ptr, a 14-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
18
Licensed in
CA
In the registry since
2008
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

See every abbreviation used in this directory →

Practice location Address checks out

1850 E Washington St
Colton, CA 92324-4621
Phone: (909) 887-2991
Fax: (909) 887-5694
Show map & directions

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

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA19811 (CA)

Record details

NPI number1902060361
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorYes
NPI enumeratedJuly 15, 2008
Last updated in NPPESMarch 27, 2012

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Scott C Lederhaus Md And Lew B Disney Md Prt Lederhaus Scott C Gen Ptr — 14 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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