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Obstetrics/Gynecology

Elaine T. Aguinaldo, DO

Sees patients in Barrington, IL · Chicago, IL · Illinois

Summary

Dr. Elaine T. Aguinaldo, DO is an OB-GYN at 27790 W Hwy 22, Barrington, IL 60010. Phone: (847) 620-6077. Accepts Medicare assignment. NPI 1528350865. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 27790 W Hwy 22, Barrington, IL 60010 · Directions (1 more location)
  • Phone: (847) 620‑6077
  • Medicare: Accepts Medicare assignment
  • Group practice: Advocate Health and Hospitals Corporation (+1 more)
  • Medical school: graduated 2011 (15 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Elaine T. Aguinaldo, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Elaine T. Aguinaldo accept Medicare assignment?
Yes. Medicare's clinician data says Elaine T. Aguinaldo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Elaine T. Aguinaldo's NPI number?
1528350865. 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 Elaine T. Aguinaldo is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Elaine T. Aguinaldo as a member of these groups (CMS data updated October 2, 2026).

  • Advocate Health and Hospitals Corporation3,118 clinicians in the group
  • Erie Family Health Center, Inc138 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Illinois →

Other OB-GYNs in Barrington

Clinicians with the same Medicare primary specialty in Barrington, IL — not a recommendation.

All OB-GYNs in Barrington →

Other clinicians in Advocate Health and Hospitals Corporation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Graduation year2011 (15 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1528350865
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 October 2, 2026, retrieved October 29, 2026
  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