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

Treanna Lynne Mather, PA

Individual provider Surgical Physician Assistant · NPI 1942440334

Treanna Lynne Mather, PA is a Physician Assistant in Orange, California. Graduated from Loma Linda University School of Medicine in 2008, 18 years ago. Practices with Orthopaedic Specialty Institute Medical Group of Orange County, a 63-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
18
Trained at
Loma Linda University School of Medicine
Licensed in
CA
In the registry since
2009
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

280 S Main St 200
Orange, CA 92868-3852
Phone: (714) 634-4567
Fax: (714) 634-4569
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgical Physician Assistant (primary) Taxonomy 363AS0400X · Licence PA20026 (CA)

Record details

NPI number1942440334
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorYes
NPI enumeratedFebruary 25, 2009
Last updated in NPPESFebruary 25, 2009

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Orthopaedic Specialty Institute Medical Group Of Orange County — 63 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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