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Obstetrics/Gynecology

Sara A. Irwin, MD

Sees patients in Clackamas, OR · Vancouver, WA · Oregon, Washington

Summary

Sara A. Irwin, MD (Obstetrics/Gynecology) is enrolled with Medicare at 3 practice locations in Clackamas, OR and Vancouver, WA. NPI 1639321524. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Sara A. Irwin, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
19Years since medical school (graduated 2007)
University Of California, Irvine, California College Of MedicineMedical school
FemaleGender (as listed)
Kaiser Foundation Health Plan of the NorthwestGroup practice

Quick answers

Where does Sara A. Irwin see patients?
Medicare's clinician data lists 3 practice locations, including Clackamas, OR and Vancouver, WA. Call before your visit to confirm the address.
What is Sara A. Irwin's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Sara A. Irwin accept Medicare assignment?
Yes. Medicare's clinician data says Sara A. Irwin accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Sara A. Irwin?
(800) 813-2000, as listed in official Medicare / NPI Registry data.
What is Sara A. Irwin's NPI number?
1639321524. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Sara A. Irwin is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Sara A. Irwin as a member of this group (CMS data updated 2026-10-02).

  • Kaiser Foundation Health Plan of the Northwest1,807 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Oregon →

Other OB-GYNs in Clackamas

Clinicians with the same Medicare primary specialty in Clackamas, OR — not a recommendation.

All OB-GYNs in Clackamas →

Clinician information

CredentialMD
Medical schoolUniversity Of California, Irvine, California College Of Medicine
Graduation year2007
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639321524
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians