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

Individual provider Obstetrics & Gynecology Physician · NPI 1558941534

Sierra Madison Treiman, MD is an Obstetrics/Gynecology in Phoenix, Arizona. Graduated from Saint Louis University School of Medicine in 2021, 5 years ago. Practices with Women's Care Arizona, LLC, a 38-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
5
Trained at
Saint Louis University School of Medicine
Licensed in
AZ
In the registry since
2021
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

515 E Thomas Rd
Phoenix, AZ 85012-3203
Phone: (602) 241-1717
Fax: (602) 265-7216
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 350 W Thomas Rd, Phoenix, AZ 85013-4409 — (602) 406-4786
  • 585 N 500 W, Provo, UT 84601-1548 — (801) 374-1801

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 76137 (AZ)

Record details

NPI number1558941534
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 13, 2021
Last updated in NPPESNovember 10, 2025
Certification dateNovember 10, 2025

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2021 (5 years in practice)
Group practice Women'S Care Arizona, Llc — 38 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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