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

Individual provider Physician Assistant · NPI 1720749377

Sienna Contreras, PA-C is a Physician Assistant in Gilbert, Arizona. Qualified in 2023, 3 years ago. Practices with Orthopedic Specialists of North America PLLC, a 309-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
3
Licensed in
AZ
In the registry since
2022
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

1675 E Melrose St Ste 101-103
Gilbert, AZ 85297-1001
Phone: (602) 648-5444
Fax: (602) 772-3801
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 10012 (AZ)

Record details

NPI number1720749377
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedJanuary 5, 2022
Last updated in NPPESMarch 28, 2025
Certification dateMarch 28, 2025

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Orthopedic Specialists Of North America Pllc — 309 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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