NPPES file of Aug 9, 2026

Sierra Madison Treiman, MD

Obstetrics & Gynecology Physician · Phoenix, AZ

Sierra Madison Treiman, MD is an obstetrics & gynecology physician with a practice address in Phoenix, Arizona, and NPI 1558941534, issued on Apr 13, 2021. Check the license (Arizona 76137, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558941534
Name
Sierra Madison Treiman
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
76137 AZ
Self-reported in NPPES; status is on the state search
Practice location
515 E Thomas RD, Phoenix, AZ 85012
Phone
(602) 241-1717
Enumerated
Apr 13, 2021
Record last updated
Nov 10, 2025
Fax
(602) 265-7216
Medicare enrollment
Enrolled (PECOS I20250602003310); accepts Medicare assignment
Medical or professional school
Saint Louis University School Of Medicine, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 515 E Thomas RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jessica WorthingtonObstetrics & Gynecology Physician1790348332

Verify Sierra Madison Treiman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 76137
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

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91% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

15 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Sierra Treiman15
  2. Specialty average165

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 2 group practices

  1. Valley Obstetrics And Gynecology, PCProvo, UT
  2. Women's Care Arizona, LLCPhoenix, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sierra Madison Treiman among 803 obstetrics & gynecology physician records in Arizona

Sierra Madison Treiman, MD is one of 803 obstetrics & gynecology physician records with a practice address in Arizona. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 93% of them.

  • NPI issued2021 · 93% of these records are older, 4% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2021 · median 2005 among the 477 with a school on file
  • Record last updated2025 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Arizona

There are 803 obstetrics & gynecology physician records in Arizona.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Alana Augur, DOPhoenix, AZ 850121942839956
  2. Randall Ball, MDPhoenix, AZ 850121427065846
  3. Corey Bruce, M.D.Phoenix, AZ 850121164423067
  4. Bruce Culbertson, M.D.Phoenix, AZ 850121275647356
  5. Kevin Lythgoe, M.D.Phoenix, AZ 850121295727253
  6. Pooja Shah, MDPhoenix, AZ 850121255520433
  7. Chijioke Soribe, MDPhoenix, AZ 850121033392113
  8. Candice WoodPhoenix, AZ 850121093902025

Common questions

What is Sierra Madison Treiman, MD's NPI number?

Sierra Madison Treiman, MD's National Provider Identifier (NPI) is 1558941534, issued on Apr 13, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Sierra Madison Treiman, MD located?

The NPPES record lists a practice address at 515 E Thomas RD, Phoenix, AZ, 85012. Phone: (602) 241-1717. Providers update this record themselves, so call before visiting.

How can I verify Sierra Madison Treiman, MD's license?

NPPES lists Arizona license number 76137, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sierra Madison Treiman, MD prescribe under Medicare Part D?

In 2024, Sierra Madison Treiman, MD had 15 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.